{"title":"2020-2025 L5P Duramax","description":"","products":[{"product_id":"egr-dpf-delete-kit-2017-2025-l5p-6-6l-duramax-applicable-products-spelab","title":"EGR\/DPF Delete Kit 2017-2025 L5P 6.6L Duramax Applicable Products | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003csection aria-label=\"Product summary\"\u003e\n\u003cp\u003eThis L5P EGR \u0026amp; DPF Delete Kit is best for off-road 2017–2025 Duramax owners who tow, race, or work in harsh conditions and want to reduce exhaust restriction, EGR soot buildup, forced regens, and heat for stronger response and lower maintenance risk.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD\u003c\/li\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD\u003c\/li\u003e\n\u003cli\u003eThis will \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNOT FIT\u003c\/span\u003e the 3500\/4500\/5500 \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eCab \u0026amp; Chassis\u003c\/span\u003e commercial style truck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColor-Specific Fitment\u003c\/h3\u003e\n\u003cp\u003eFor 2017-2019 6.6L Duramax. The vehicle's CAN bus plug is either black or white. You must match the color. If your truck's plug is black, you must purchase the black kit. If it is white, you must purchase the white kit. They are not interchangeable.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"DPF pipe style description\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSPELAB L5P EGR \u0026amp; DPF Delete Kit Key Features\u003c\/h2\u003e\n\u003cp\u003eThe factory DPF, EGR, and restrictive downpipe on your L5P Duramax choke power, reduce efficiency, and cause long-term engine wear. This full delete + downpipe combo eliminates these limitations while delivering better throttle response, increased horsepower, and improved reliability—perfect for towing, racing, or off-grid use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEliminate DPF Clogs \u0026amp; Forced Regens – No more wasted fuel or limp mode from a clogged filter.\u003c\/li\u003e\n\u003cli\u003eStop EGR Soot Buildup – Prevents carbon fouling in your intake and turbo.\u003c\/li\u003e\n\u003cli\u003eReduce Exhaust Backpressure – The high-flow downpipe lets your turbo breathe freely.\u003c\/li\u003e\n\u003cli\u003eGain 90-160+ HP \u0026amp; 180-300+ lb-ft Torque (with tuning).\u003c\/li\u003e\n\u003cli\u003eImprove Fuel Economy by 1-3 MPG – Less restriction means better efficiency.\u003c\/li\u003e\n\u003cli\u003eLower EGTs for Safer Towing – Critical for heavy loads and long hauls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat's in the Delete Kit Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eL5P EGR Delete Kit\u003c\/li\u003e\n\u003cli\u003eL5P DPF Delete Kit\u003c\/li\u003e\n\u003cli\u003eL5P Downpipe Exhaust\u003c\/li\u003e\n\u003cli\u003eCAN BUS Plug Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #e03e2d;\"\u003e\u003cstrong\u003e⚠️Note: Accessories vary by order and may not include all listed. Does NOT include Tuner.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Instructions\u003c\/h2\u003e\n  \u003cp\u003eBefore installation, confirm your truck year, CAN bus plug color, and kit configuration. This L5P EGR \u0026amp; DPF Delete Kit requires mechanical experience and proper tuning after installation. Review both instruction guides before removing any factory emissions components.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" alt=\"\"\u003e \u003ca title=\"6.6L Duramax L5P EGR Delete Kit Installation Instruction\" href=\"https:\/\/www.spelabautoparts.com\/pages\/spelab-instruction-2017-2019-6-6l-duramax-l5p-egr-valve-cooler-delete-kit\"\u003eEGR Valve Cooler Delete Kit for 2017-2025 6.6L Duramax L5P Installation Instruction\u003c\/a\u003e\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" alt=\"\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003eDPF Race Pipe Delete for 2017-2025 6.6L Duramax L5P Installation Instruction\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2017–2025 L5P 6.6L Duramax owners building an off-road, competition, farm, or work-use truck.\u003c\/li\u003e\n\u003cli\u003eDrivers dealing with repeated DPF clogging, forced regens, limp mode, or EGR soot buildup.\u003c\/li\u003e\n\u003cli\u003eHeavy towing users who want lower exhaust restriction and better turbo response under load.\u003c\/li\u003e\n\u003cli\u003eDuramax owners planning to pair EGR and DPF delete hardware with proper tuning.\u003c\/li\u003e\n\u003cli\u003eTruck owners who want a more complete setup including EGR delete, DPF delete pipe, downpipe, and CAN BUS plug components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eLegal Notice\u003c\/h2\u003e\n\u003cp\u003eThis product is intended for off-road, competition, agricultural, or industrial use only. It is not legal for use on emissions-controlled vehicles operated on public roads in the United States or Canada. Check all federal, state, provincial, and local laws before purchase or installation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003csection\u003e\n\u003ch2\u003eL5P EGR \u0026amp; DPF Delete Kit FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is this L5P Delete Kit compatible with all 2017-2023 L5P Duramax models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes, this kit is specifically designed to fit all 2017–2023 GMC Sierra 2500\/3500 HD and Chevrolet Silverado 2500\/3500 HD trucks equipped with the 6.6L L5P Duramax diesel engine. Whether you have a 2017 or a 2023 model, the fitment is seamless.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this kit include everything needed to fully delete the EGR and DPF systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eAbsolutely. The package includes a complete EGR delete kit, DPF delete race pipe, downpipe, up-pipe, and a CAN BUS plug tailored for the 2017–2023 L5P. This is a full delete solution, engineered for performance and reliability.\u003cbr\u003eIf you own a LML engine, Check out our \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/2011-2016-gmc-chevy-6-6l-duramax-diesel-all-in-one-dpf-def-egr-ccv-delete-kit-spelab-1\" title=\"Check out our All-in-One LML Duramax Delete Kit (includes EGR, DPF, DEF, and CCV deletion with a tuning device).\" rel=\"noopener\" target=\"_blank\"\u003eAll-in-One LML Duramax Delete Kit\u003c\/a\u003e (includes EGR, DPF, DEF, and CCV deletion with a tuning device).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Will I need to tune my ECU after installing this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes. A custom ECU tune is required after installation to disable the EGR\/DPF functions and related trouble codes. We strongly recommend pairing this kit with a quality tuning solution to fully unlock the benefits and prevent warning lights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Are there any differences between the 2020 L5P Delete Kit and other model years?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eThe core components remain consistent, but the \u003cstrong\u003eCAN BUS plug design varies slightly\u003c\/strong\u003e between 2017–2019 and 2020–2023 models. SPELAB provides year-specific parts to ensure plug-and-play compatibility for your truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What impact does deleting the EGR and DPF have on the engine and turbo system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eRemoving the EGR and DPF reduces exhaust backpressure, improves turbo response, lowers combustion temps, and significantly reduces carbon buildup. This results in better reliability and longer life for your engine and turbo system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: How much horsepower and torque gain can I expect with this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eDepending on your tune and setup, \u003cstrong\u003eyou can expect gains of 50–100+ horsepower and 100–150 lb-ft of torque\u003c\/strong\u003e. Results will vary based on vehicle condition and tuning strategy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7: Is this kit street-legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eThis product is intended for \u003cstrong\u003eoff-road, competition, or agricultural\/industrial use only\u003c\/strong\u003e. Removing emissions equipment is illegal on public roads in many states. Please check and comply with your local regulations before purchase or installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8: How difficult is the installation? Can I do it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eInstallation requires solid mechanical knowledge and experience. Because it involves exhaust modification and ECU tuning, \u003cstrong\u003ewe highly recommend having a professional mechanic perform the installation\u003c\/strong\u003e to ensure everything runs safely and correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ9: What materials are used in SPELAB’s L5P Duramax Delete Kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eWe use \u003cstrong\u003ehigh-grade stainless steel\u003c\/strong\u003e for the downpipe and DPF delete pipes, with precision laser-cut flanges and TIG welding to ensure durability, corrosion resistance, and long-lasting performance under heavy-duty conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ10: After installing the 2023 L5P Delete Kit, will there be any extra maintenance needed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eOverall, maintenance becomes easier. Without DPF regeneration and EGR soot buildup, oil contamination is reduced, and the turbo and intake system stay cleaner. We recommend \u003cstrong\u003eperiodic inspection of exhaust flanges and welds\u003c\/strong\u003e for tightness and integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ11: Do you offer delete kits for other Duramax engine models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes! SPELAB provides a wide range of performance solutions for the entire Duramax family. We also carry the specialized \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/spelab-2007-5-2010-6-6l-duramax-egr-delete-kit-high-flow-intake-elbow-pipe-tube\" title=\"lmm delete kit\"\u003e\u003cb\u003eLMM delete kit\u003c\/b\u003e (2007.5-2010)\u003c\/a\u003e and the \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/2011-2016-gmc-chevy-6-6l-duramax-diesel-all-in-one-dpf-def-egr-ccv-delete-kit-spelab-1\" title=\"lml delete kit\"\u003e\u003cb\u003eLML delete kit\u003c\/b\u003e (2011-2016)\u003c\/a\u003e for older Duramax models. You can also explore our \u003ca href=\"https:\/\/www.spelabautoparts.com\/collections\/all-in-one-kit-duramax\" title=\"l5p delete kit\"\u003eAll-in-one L5P delete kit\u003c\/a\u003e for more performance combinations.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623925248312,"sku":"SPOS20049-BK-ES08074-ES08120","price":699.0,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623925281080,"sku":"SPOS20049-BK-ES08074-ES08120","price":699.0,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623925313848,"sku":"SPOS20049-BK-ES08074-ES08120-OS09024","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623925346616,"sku":"SPOS20049-BK-ES08074-ES08120-OS09024WT","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623925379384,"sku":"SPOS20049-BK-ES08074-ES08120-OS09098","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623925412152,"sku":"SPOS20049-BK-ES08074-ES08067","price":987.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623925444920,"sku":"SPOS20049-BK-ES08074-ES08673S4.0","price":999.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623925477688,"sku":"SPOS09024-OS20049-BK-ES08074-ES08067","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623925510456,"sku":"SPOS09024WT-OS20049-BK-ES08074-ES08067","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623925543224,"sku":"SPOS20049-BK-ES08074-ES08673S4.0-OS09098","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623925575992,"sku":"SPOS20049-BK-ES08074-ES08070","price":1167.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623925608760,"sku":"SPOS20049-BK-ES08074-ES08673S5.0","price":1177.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623925641528,"sku":"SPOS20049-BK-ES08074-ES08070-OS09024","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623925674296,"sku":"SPOS20049-BK-ES08074-ES08070-OS09024WT","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623925707064,"sku":"SPOS20049-BK-ES08074-ES08673S5.0-OS09098","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623925739832,"sku":"SPOS20049-BK-ES08074-ES08071","price":1227.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623925772600,"sku":"SPOS20049-BK-ES08074-ES08071-OS09024","price":1367.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623925805368,"sku":"SPOS20049-BK-ES08074-ES08071-OS09024WT","price":1367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/010_041c99d7-3110-407a-88ca-af9f1296d7be.png?v=1783571971"},{"product_id":"4-5-dpf-delete-race-pipe-for-2017-2025-l5p-6-6-duramax-chevy-gmc-2500hd-3500hd-spelab","title":"4\"\/5\" DPF Delete Race Pipe for 2017-2025 L5P 6.6 Duramax Chevy GMC 2500HD 3500HD | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNote: Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe.\u003c\/span\u003e The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock your 2017-2024 L5P 6.6L Duramax's true potential with this high-performance DPF delete pipe. Our precision-engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool-up and throttle response. The mandrel-bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off-road enthusiasts seeking better power delivery and reduced maintenance hassles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9589%; height: 117.539px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.3094%;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e 4.0\"\/5.0‘’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eExpect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF\/CAT expect to get a combined mileage of 18-19 mpg.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt removes the need to service the DPF at regular intervals (cleaning, replacement)\u003c\/li\u003e\n\u003cli\u003eA DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs\u003c\/li\u003e\n\u003cli\u003eDue to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!\u003c\/li\u003e\n\u003cli\u003ePaired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eYou will get a FREE high-quality exhaust tip for 4''\u0026amp;5'' Dp-back – unlike others who charge extra!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca title='installation-instruction-of-4\" 2017-2022 L5P 6.6 Duramax DPF \u0026amp; Cat Delete Pipe Chevy GMC | SPELAB' href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003eDPF Delete Race Pipe Instruction for L5P\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003cbr\u003e\u003cstrong\u003eTuner Required: \u003c\/strong\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCrew cab short bed \u0026amp; crew cab long bed. This will not fit the 3500\/4500\/5500 Cab \u0026amp; Chassis commercial style truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e---tab FAQ---\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What’s the difference between 4\" and 5\" exhaust systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" – Better for mild\/moderate tunes, retains some backpressure for low-end torque.\u003c\/li\u003e\n\u003cli\u003e5\" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Will a magnet stick to this pipe? Is it really stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does this fit both short-bed and long-bed Crew Cab trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes – Fits all 2017-2025 L5P Duramax Crew Cab configurations (short bed \u0026amp; long bed).\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. How thick is the pipe? Will it last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Is this a full turbo-back or just downpipe-back?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDownpipe-Back – Replaces everything after the downpipe (DPF \u0026amp; exhaust).\u003c\/li\u003e\n\u003cli\u003eFor a full turbo-back system, you’ll need an additional DPF-delete downpipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Will this improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes! Benefits include:\u003c\/li\u003e\n\u003cli\u003eLower EGTs (Exhaust Gas Temperatures)\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency (with proper tuning)\u003c\/li\u003e\n\u003cli\u003eNo more DPF clogging issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Is this street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"4'' DPF Race(2017-2025)","offer_id":52623926690104,"sku":"SPES08120","price":298.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2017-2019) Free Exhaust Tips","offer_id":52623926722872,"sku":"SPES08067-ES08019SP","price":579.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back（2020-2025）Free Exhaust Tip","offer_id":52623926755640,"sku":"SPES08673S4.0-ES08019SP","price":587.0,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2017-2019）Free Exhaust Tips","offer_id":52623926788408,"sku":"SPES08070-ES08023SP","price":714.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2020-2025）","offer_id":52623926821176,"sku":"SPES08673S5.0-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back w\/Muffler(2017-2019)Free Exhaust Tips","offer_id":52623926853944,"sku":"SPES08071-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back Dual (2017-2021)","offer_id":52623926886712,"sku":"SPES08679S5.0","price":799.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe (2017-2024 L5P)","offer_id":52623926919480,"sku":"SPES08074","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/452017-2022L5P6.6DuramaxDPFDeleteRacePipeChevyGMCSPELAB_1.webp?v=1783572007"},{"product_id":"4-5-downpipe-back-for-2017-2025-l5p-6-6-duramax-dpf-delete-race-pipe-spelab","title":"4\"\/5\" Downpipe-Back for 2017-2025 L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNote: Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe.\u003c\/span\u003e The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock your 2017-2025 L5P 6.6L Duramax's true potential with this high-performance DPF delete pipe. Our precision-engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool-up and throttle response. The mandrel-bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off-road enthusiasts seeking better power delivery and reduced maintenance hassles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9589%; height: 97.9491px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e2mm thick for long-lasting durability and heat resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e 4.0\"\/5.0‘’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 39.1797px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 39.1797px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eExpect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF\/CAT expect to get a combined mileage of 18-19 mpg.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt removes the need to service the DPF at regular intervals (cleaning, replacement)\u003c\/li\u003e\n\u003cli\u003eA DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs\u003c\/li\u003e\n\u003cli\u003eDue to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!\u003c\/li\u003e\n\u003cli\u003ePaired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eYou will get a FREE high-quality exhaust tip for 4''\u0026amp;5'' Dp-back – unlike others who charge extra!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" width=\"24\" height=\"24\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\" title='installation-instruction-of-4\" 2017-2022 L5P 6.6 Duramax DPF \u0026amp; Cat Delete Pipe Chevy GMC | SPELAB'\u003eDPF Delete Race Pipe Instruction for L5P\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003cbr\u003e\u003cstrong\u003eTuner Required: \u003c\/strong\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCrew cab short bed \u0026amp; crew cab long bed. This will not fit the 3500\/4500\/5500 Cab \u0026amp; Chassis commercial style truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e---tab FAQ---\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What’s the difference between 4\" and 5\" exhaust systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" – Better for mild\/moderate tunes, retains some backpressure for low-end torque.\u003c\/li\u003e\n\u003cli\u003e5\" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Will a magnet stick to this pipe? Is it really stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does this fit both short-bed and long-bed Crew Cab trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes – Fits all 2017-2025 L5P Duramax Crew Cab configurations (short bed \u0026amp; long bed).\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. How thick is the pipe? Will it last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Will this improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes! Benefits include:\u003c\/li\u003e\n\u003cli\u003eLower EGTs (Exhaust Gas Temperatures)\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency (with proper tuning)\u003c\/li\u003e\n\u003cli\u003eNo more DPF clogging issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Is this street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"4'' Dp-Back（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623927574840,"sku":"SPES08067-ES08019SP","price":579.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2020+) w\/Exhaust Tips \/ Silver","offer_id":52623927607608,"sku":"SPES08673S4.0-ES08019SP","price":587.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2020+) w\/Exhaust Tips \/ Black","offer_id":52623927640376,"sku":"SPJN-EXS22-00002009-ES08019SP","price":619.0,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623927673144,"sku":"SPES08070-ES08023SP","price":714.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back(2020+) \/ Silver","offer_id":52623927705912,"sku":"SPES08673S5.0-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back w\/Muffler（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623927738680,"sku":"SPES08071-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back Dual (2017-2021) \/ Silver","offer_id":52623927771448,"sku":"SPES08679S5.0","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/452017-2022L5P6.6DuramaxDPFDeleteRacePipeChevyGMCSPELAB_1_341d4f21-d3a0-4e9f-85c7-c6f628499956.jpg?v=1783572028"},{"product_id":"egr-dpf-delete-kit-2017-2025-l5p-6-6l-duramax-applicable-products-spelab-1","title":"EGR\/DPF Delete Kit 2017-2025 L5P 6.6L Duramax Applicable Products | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003csection aria-label=\"Product summary\"\u003e\n\u003cp\u003eThis L5P EGR \u0026amp; DPF Delete Kit is best for off-road 2017–2025 Duramax owners who tow, race, or work in harsh conditions and want to reduce exhaust restriction, EGR soot buildup, forced regens, and heat for stronger response and lower maintenance risk.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD\u003c\/li\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD\u003c\/li\u003e\n\u003cli\u003eThis will \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNOT FIT\u003c\/span\u003e the 3500\/4500\/5500 \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eCab \u0026amp; Chassis\u003c\/span\u003e commercial style truck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColor-Specific Fitment\u003c\/h3\u003e\n\u003cp\u003eFor 2017-2019 6.6L Duramax. The vehicle's CAN bus plug is either black or white. You must match the color. If your truck's plug is black, you must purchase the black kit. If it is white, you must purchase the white kit. They are not interchangeable.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"DPF pipe style description\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSPELAB L5P EGR \u0026amp; DPF Delete Kit Key Features\u003c\/h2\u003e\n\u003cp\u003eThe factory DPF, EGR, and restrictive downpipe on your L5P Duramax choke power, reduce efficiency, and cause long-term engine wear. This full delete + downpipe combo eliminates these limitations while delivering better throttle response, increased horsepower, and improved reliability—perfect for towing, racing, or off-grid use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEliminate DPF Clogs \u0026amp; Forced Regens – No more wasted fuel or limp mode from a clogged filter.\u003c\/li\u003e\n\u003cli\u003eStop EGR Soot Buildup – Prevents carbon fouling in your intake and turbo.\u003c\/li\u003e\n\u003cli\u003eReduce Exhaust Backpressure – The high-flow downpipe lets your turbo breathe freely.\u003c\/li\u003e\n\u003cli\u003eGain 90-160+ HP \u0026amp; 180-300+ lb-ft Torque (with tuning).\u003c\/li\u003e\n\u003cli\u003eImprove Fuel Economy by 1-3 MPG – Less restriction means better efficiency.\u003c\/li\u003e\n\u003cli\u003eLower EGTs for Safer Towing – Critical for heavy loads and long hauls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat's in the Delete Kit Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eL5P EGR Delete Kit\u003c\/li\u003e\n\u003cli\u003eL5P DPF Delete Kit\u003c\/li\u003e\n\u003cli\u003eL5P Downpipe Exhaust\u003c\/li\u003e\n\u003cli\u003eCAN BUS Plug Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #e03e2d;\"\u003e\u003cstrong\u003e⚠️Note: Accessories vary by order and may not include all listed. Does NOT include Tuner.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Instructions\u003c\/h2\u003e\n  \u003cp\u003eBefore installation, confirm your truck year, CAN bus plug color, and kit configuration. This L5P EGR \u0026amp; DPF Delete Kit requires mechanical experience and proper tuning after installation. Review both instruction guides before removing any factory emissions components.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" alt=\"\"\u003e \u003ca title=\"6.6L Duramax L5P EGR Delete Kit Installation Instruction\" href=\"https:\/\/www.spelabautoparts.com\/pages\/spelab-instruction-2017-2019-6-6l-duramax-l5p-egr-valve-cooler-delete-kit\"\u003eEGR Valve Cooler Delete Kit for 2017-2025 6.6L Duramax L5P Installation Instruction\u003c\/a\u003e\u003c\/p\u003e\n\n  \u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" alt=\"\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"\u003eDPF Race Pipe Delete for 2017-2025 6.6L Duramax L5P Installation Instruction\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2017–2025 L5P 6.6L Duramax owners building an off-road, competition, farm, or work-use truck.\u003c\/li\u003e\n\u003cli\u003eDrivers dealing with repeated DPF clogging, forced regens, limp mode, or EGR soot buildup.\u003c\/li\u003e\n\u003cli\u003eHeavy towing users who want lower exhaust restriction and better turbo response under load.\u003c\/li\u003e\n\u003cli\u003eDuramax owners planning to pair EGR and DPF delete hardware with proper tuning.\u003c\/li\u003e\n\u003cli\u003eTruck owners who want a more complete setup including EGR delete, DPF delete pipe, downpipe, and CAN BUS plug components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eLegal Notice\u003c\/h2\u003e\n\u003cp\u003eThis product is intended for off-road, competition, agricultural, or industrial use only. It is not legal for use on emissions-controlled vehicles operated on public roads in the United States or Canada. Check all federal, state, provincial, and local laws before purchase or installation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003csection\u003e\n\u003ch2\u003eL5P EGR \u0026amp; DPF Delete Kit FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is this L5P Delete Kit compatible with all 2017-2023 L5P Duramax models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes, this kit is specifically designed to fit all 2017–2023 GMC Sierra 2500\/3500 HD and Chevrolet Silverado 2500\/3500 HD trucks equipped with the 6.6L L5P Duramax diesel engine. Whether you have a 2017 or a 2023 model, the fitment is seamless.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this kit include everything needed to fully delete the EGR and DPF systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eAbsolutely. The package includes a complete EGR delete kit, DPF delete race pipe, downpipe, up-pipe, and a CAN BUS plug tailored for the 2017–2023 L5P. This is a full delete solution, engineered for performance and reliability.\u003cbr\u003eIf you own a LML engine, Check out our \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/2011-2016-gmc-chevy-6-6l-duramax-diesel-all-in-one-dpf-def-egr-ccv-delete-kit-spelab-1\" title=\"Check out our All-in-One LML Duramax Delete Kit (includes EGR, DPF, DEF, and CCV deletion with a tuning device).\" rel=\"noopener\" target=\"_blank\"\u003eAll-in-One LML Duramax Delete Kit\u003c\/a\u003e (includes EGR, DPF, DEF, and CCV deletion with a tuning device).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Will I need to tune my ECU after installing this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes. A custom ECU tune is required after installation to disable the EGR\/DPF functions and related trouble codes. We strongly recommend pairing this kit with a quality tuning solution to fully unlock the benefits and prevent warning lights.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Are there any differences between the 2020 L5P Delete Kit and other model years?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eThe core components remain consistent, but the \u003cstrong\u003eCAN BUS plug design varies slightly\u003c\/strong\u003e between 2017–2019 and 2020–2023 models. SPELAB provides year-specific parts to ensure plug-and-play compatibility for your truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What impact does deleting the EGR and DPF have on the engine and turbo system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eRemoving the EGR and DPF reduces exhaust backpressure, improves turbo response, lowers combustion temps, and significantly reduces carbon buildup. This results in better reliability and longer life for your engine and turbo system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: How much horsepower and torque gain can I expect with this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eDepending on your tune and setup, \u003cstrong\u003eyou can expect gains of 50–100+ horsepower and 100–150 lb-ft of torque\u003c\/strong\u003e. Results will vary based on vehicle condition and tuning strategy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7: Is this kit street-legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eThis product is intended for \u003cstrong\u003eoff-road, competition, or agricultural\/industrial use only\u003c\/strong\u003e. Removing emissions equipment is illegal on public roads in many states. Please check and comply with your local regulations before purchase or installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8: How difficult is the installation? Can I do it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eInstallation requires solid mechanical knowledge and experience. Because it involves exhaust modification and ECU tuning, \u003cstrong\u003ewe highly recommend having a professional mechanic perform the installation\u003c\/strong\u003e to ensure everything runs safely and correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ9: What materials are used in SPELAB’s L5P Duramax Delete Kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eWe use \u003cstrong\u003ehigh-grade stainless steel\u003c\/strong\u003e for the downpipe and DPF delete pipes, with precision laser-cut flanges and TIG welding to ensure durability, corrosion resistance, and long-lasting performance under heavy-duty conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ10: After installing the 2023 L5P Delete Kit, will there be any extra maintenance needed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eOverall, maintenance becomes easier. Without DPF regeneration and EGR soot buildup, oil contamination is reduced, and the turbo and intake system stay cleaner. We recommend \u003cstrong\u003eperiodic inspection of exhaust flanges and welds\u003c\/strong\u003e for tightness and integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ11: Do you offer delete kits for other Duramax engine models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: \u003c\/strong\u003eYes! SPELAB provides a wide range of performance solutions for the entire Duramax family. We also carry the specialized \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/spelab-2007-5-2010-6-6l-duramax-egr-delete-kit-high-flow-intake-elbow-pipe-tube\" title=\"lmm delete kit\"\u003e\u003cb\u003eLMM delete kit\u003c\/b\u003e (2007.5-2010)\u003c\/a\u003e and the \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/2011-2016-gmc-chevy-6-6l-duramax-diesel-all-in-one-dpf-def-egr-ccv-delete-kit-spelab-1\" title=\"lml delete kit\"\u003e\u003cb\u003eLML delete kit\u003c\/b\u003e (2011-2016)\u003c\/a\u003e for older Duramax models. You can also explore our \u003ca href=\"https:\/\/www.spelabautoparts.com\/collections\/all-in-one-kit-duramax\" title=\"l5p delete kit\"\u003eAll-in-one L5P delete kit\u003c\/a\u003e for more performance combinations.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623966044472,"sku":"SPOS20049-BK-ES08074-ES08120","price":699.0,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623966077240,"sku":"SPOS20049-BK-ES08074-ES08120","price":699.0,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623966110008,"sku":"SPOS20049-BK-ES08074-ES08120-OS09024","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623966142776,"sku":"SPOS20049-BK-ES08074-ES08120-OS09024WT","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" DPF Race \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623966175544,"sku":"SPOS20049-BK-ES08074-ES08120-OS09098","price":799.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623966208312,"sku":"SPOS20049-BK-ES08074-ES08067","price":987.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623966241080,"sku":"SPOS20049-BK-ES08074-ES08673S4.0","price":999.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623966273848,"sku":"SPOS09024-OS20049-BK-ES08074-ES08067","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623966306616,"sku":"SPOS09024WT-OS20049-BK-ES08074-ES08067","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 4\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623966339384,"sku":"SPOS20049-BK-ES08074-ES08673S4.0-OS09098","price":1127.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623966372152,"sku":"SPOS20049-BK-ES08074-ES08070","price":1167.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust(2020-2025)","offer_id":52623966404920,"sku":"SPOS20049-BK-ES08074-ES08673S5.0","price":1177.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623966437688,"sku":"SPOS20049-BK-ES08074-ES08070-OS09024","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623966470456,"sku":"SPOS20049-BK-ES08074-ES08070-OS09024WT","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2020-2023)","offer_id":52623966503224,"sku":"SPOS20049-BK-ES08074-ES08673S5.0-OS09098","price":1299.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust(2017-2019)","offer_id":52623966535992,"sku":"SPOS20049-BK-ES08074-ES08071","price":1227.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 Black)","offer_id":52623966568760,"sku":"SPOS20049-BK-ES08074-ES08071-OS09024","price":1367.99,"currency_code":"USD","in_stock":true},{"title":"EGR Delete Kit \/ 5\" Dp-Back w\/Muffler \/ 3.5'' Downpipe Exhaust+CAN BUS Plug Kit(2017-2019 White)","offer_id":52623966601528,"sku":"SPOS20049-BK-ES08074-ES08071-OS09024WT","price":1367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/010_9be994de-85ad-4682-92c1-855a322d22cf.png?v=1783575474"},{"product_id":"spelab-2017-2025-6-6l-duramax-l5p-egr-valve-cooler-delete-kit-1","title":"SPELAB 2017-2025 6.6L Duramax L5P EGR Valve Cooler Delete Kit","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch2\u003eEGR Valve Cooler Delete Kit Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD\u003c\/li\u003e\n\u003cli\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more Duramax models, check out our \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/spelab-2006-2007-6-6l-duramax-egr-delete-kit-with-high-flow-intake-elbow\" title=\"LBZ egr delete kit\" rel=\"noopener\" target=\"_blank\"\u003eLBZ egr delete kit\u003c\/a\u003e (2006-2007), \u003ca title=\"lmm egr delete kit\" href=\"https:\/\/www.spelabautoparts.com\/products\/spelab-2007-5-2010-6-6l-duramax-egr-delete-kit-high-flow-intake-elbow-pipe-tube\"\u003eLMM egr delete kit\u003c\/a\u003e (2007.5-2010) and  \u003ca title=\"lml egr delete kit\" href=\"https:\/\/www.spelabautoparts.com\/products\/egr-delete-kit-for-2011-2016-gmc-chevy-6-6l-duramax-diesel-spelab\"\u003eLML egr delete kit\u003c\/a\u003e for 2011-2016 trucks.\u003c\/p\u003e\n\u003ch2\u003eL5P Duramax EGR Valve Cooler Delete Kit Overview\u003c\/h2\u003e\n\u003cp\u003eSPELAB carefully designed and manufactured EGR delete kit features a material upgrade, using solid carbon steel instead of the previous aluminum alloy.\u003c\/p\u003e\n\u003cp\u003eThis change has increased the maximum temperature resistance from \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e600 degrees Celsius\u003c\/span\u003e\u003c\/strong\u003e to \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e1,500 degrees Celsius\u003c\/span\u003e\u003c\/strong\u003e, a \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e2.5-fold\u003c\/span\u003e\u003c\/strong\u003e increase in high-temperature strength. This unit effectively prevents soot buildup and EGR valve clogging, allowing fresh, dense clean air to circulate instead of reintroducing hot exhaust gases.\u003c\/p\u003e\n\u003cp\u003eImproved exhaust flow enables the turbocharger to start faster, resulting in quicker throttle response. High-quality components include billet aluminum construction, nickel-plated steel flanges, a stainless steel dipstick tube bracket, high-temperature silicone hoses, zinc-plated hardware, and precision-fit O-rings.\u003c\/p\u003e\n\u003cp\u003eThis kit mounts to the exhaust port and flows coolant through a rubber hose for better oil resistance.\u003cbr\u003eThe L5P Duramax EGR Delete Kit is an essential upgrade for your \u003cstrong\u003e\u003ca href=\"https:\/\/www.spelabautoparts.com\/collections\/duramax-applicable-products\"\u003eDuramax engine\u003c\/a\u003e\u003c\/strong\u003e. This kit helps improve your truck's reliability by removing the EGR valve and cooler. By doing so, you prevent soot buildup and improve your engine's efficiency.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/6_e8a2738f-9cb9-4798-8ba4-cd181466f9ab.jpg?v=1716790219\" alt=\"Upgraded SPELAB 2017-2023 6.6L Duramax L5P EGR Valve Cooler Delete Kit\"\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features of This L5P EGR Delete Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Materials and Design\u003c\/strong\u003e: Made from durable materials, this kit ensures long-lasting performance. The design is tailored specifically for the L5P Duramax engine, ensuring a perfect fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Enhancements\u003c\/strong\u003e: By removing the EGR system, this kit helps your engine run more efficiently, leading to improved power and torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Installation\u003c\/strong\u003e: Designed with the DIY mechanic in mind, this kit comes with clear instructions, making installation straightforward.\u003c\/li\u003e\n\u003cli\u003eEliminating the EGR system will prevent soot from building up and clogging the EGR valve. Instead of hot exhaust gas being re-routed into the intake, fresh dense clean air can now circulate.\u003c\/li\u003e\n\u003cli\u003eImproved exhaust flow allows the turbocharger to spool up faster which results in quicker throttle response.\u003c\/li\u003e\n\u003cli\u003eThis EGR delete is engineered and designed to recirculate engine coolant faster and more efficiently then the stock \u003ca title=\"egr delete kits\" href=\"https:\/\/www.spelabautoparts.com\/collections\/egr-delete\"\u003eEGR system\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eHigh quality components consist of billet aluminum construction, nickel plated steel flanges, stainless steel dipstick tube bracket, high temp silicone hoses, zinc coated hardware \u0026amp; precision fit o-rings.\u003c\/li\u003e\n\u003cli\u003eEverything needed for a complete install is included. Installation takes approx. 2hrs with basic hand tools.\u003c\/li\u003e\n\u003cli\u003eWhen installing an EGR delete: a DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" width=\"24\" height=\"24\"\u003e \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/spelab-instruction-2017-2019-6-6l-duramax-l5p-egr-valve-cooler-delete-kit\" title=\"6.6L Duramax L5P EGR Delete Kit Installation Instruction\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 18px;\"\u003e\u003cu\u003eEGR Valve Cooler Delete Kit for 2017-2025 6.6L Duramax L5P Installation Instruction\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eL5P Delete Kit Installation Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation Before Installation:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eGather all necessary tools and parts.\u003c\/li\u003e\n\u003cli\u003eEnsure your truck is parked on a flat surface and the engine is cool.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to avoid any electrical issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetailed Installation Steps:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the EGR Valve and Cooler:\u003c\/strong\u003e Carefully detach the EGR valve and cooler from your engine. Follow the instructions in the manual to avoid any damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the \u003ca title=\"Duramax EGR Delete Kit\" href=\"https:\/\/www.spelabautoparts.com\/collections\/duramax-egr-delete-kit\"\u003eDuramax EGR Delete Kit\u003c\/a\u003e:\u003c\/strong\u003e Replace the removed components with the L5P EGR delete parts provided in the kit. Ensure all connections are secure and properly fitted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReassemble and Test:\u003c\/strong\u003e Once the kit is installed, reassemble any parts you removed and reconnect the battery. Start your engine to ensure everything is working correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eCommon Issues and Troubleshooting\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for Leaks:\u003c\/strong\u003e After installation, inspect for any leaks around the connections. Tighten fittings if necessary.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Codes:\u003c\/strong\u003e If your engine light comes on, ensure all connections are secure and consult the troubleshooting section in the manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/7_f0df27b6-d965-4a3c-9e0d-fdf76898832d.jpg?v=1716790316\" alt=\"SPELAB 2017-2023 6.6L Duramax L5P EGR Valve Cooler Delete Kit Package\"\u003e\u003c\/div\u003e\n\u003cp\u003e---tab Additional Info---\u003c\/p\u003e\n\u003cp\u003eThe L5P Duramax EGR Delete Kit is an essential upgrade for your Duramax engine. This kit helps improve your truck's reliability by removing the EGR valve and cooler. By doing so, you prevent soot buildup and improve your engine's efficiency.\u003c\/p\u003e\n\u003ch2\u003eBenefits of Using an L5P Duramax EGR Delete Kit: \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced Performance: Removing the EGR system reduces exhaust gas recirculation, allowing your engine to run cleaner and more efficiently.\u003c\/li\u003e\n\u003cli\u003eIncreased Reliability: Without the EGR system, there are fewer components that can fail, reducing maintenance needs.\u003c\/li\u003e\n\u003cli\u003eBetter Fuel Economy: By eliminating the EGR valve, your engine can breathe better, which can lead to improved fuel efficiency. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDedicated Delete Solutions for 2020+ Duramax Models\u003c\/h2\u003e\n\u003cp\u003eSpecifically designed for 2020 L5P Duramax models, SPELAB offers a range of EGR delete kit configurations fully compatible with Chevrolet Silverado and GMC Sierra 2500\/3500 HD. Options include \u003cstrong\u003ebasic EGR deletes\u003c\/strong\u003e, \u003cstrong\u003eEGR + Downpipe combos\u003c\/strong\u003e, and \u003cstrong\u003ecomplete systems with EGR + DPF + Downpipe\u003c\/strong\u003e, allowing users to upgrade based on their needs and stage of modification.\u003c\/p\u003e\n\u003cp\u003eThe 2020 L5P models feature notable changes in electronic control and emissions logic. SPELAB’s kits are precisely engineered to integrate with the \u003cstrong\u003eCAN BUS communication system\u003c\/strong\u003e, preventing common error codes or signal faults after installation. The 2020–2025 CAN BUS Plug series simplifies electronic bypassing and is ideal for users who want to retain select system functionalities.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the 2020 Duramax features a more compact engine bay layout compared to earlier models. SPELAB redesigned the routing and mounting points to ensure smooth installation and minimal clearance issues. Each kit comes with precision-engineered hardware to enhance long-term reliability and provide a seamless DIY installation experience.\u003c\/p\u003e\n\u003ch2\u003eConclusion\u003c\/h2\u003e\n\u003cp\u003eOptimize your 2017-2025 L5P Duramax with the SPELAB EGR Delete Kit. Enjoy improved performance, enhanced reliability, and better fuel economy. Don't miss out on transforming your truck. Upgrade today! For more details and to purchase, visit our product page now.\u003c\/p\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003ch2\u003eL5P Duramax EGR Delete Kit FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is a 2020 L5P Duramax Delete Kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e A \u003cstrong\u003e2020 Duramax Delete Kit\u003c\/strong\u003e removes the EGR valve and cooler from your \u003cstrong\u003e6.6L L5P Duramax engine\u003c\/strong\u003e, helping improve engine performance, fuel efficiency, and long-term reliability. It’s designed for trucks like the \u003cstrong\u003e2020 Chevrolet Silverado 2500\/3500 HD and GMC Sierra 2500\/3500 HD\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will the L5P Delete Kit fit my 2018 Chevrolet Silverado 2500 HD?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit fits \u003cstrong\u003e2017–2025 Chevrolet Silverado and GMC Sierra 2500\/3500 HD\u003c\/strong\u003e models equipped with the \u003cstrong\u003e6.6L L5P Duramax Diesel engine\u003c\/strong\u003e, including your 2018 Silverado.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the installation process complicated?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Not at all. The \u003cstrong\u003e2020 Duramax Delete Kit\u003c\/strong\u003e includes clear instructions and all necessary components. Most DIY enthusiasts with basic tools can complete the job in a few hours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the benefits of installing a 2020 Duramax Delete Kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Key benefits include improved throttle response, reduced soot buildup, lower exhaust temps, and better fuel economy. It also helps \u003cstrong\u003emaximize the efficiency of 2017–2025 L5P engines\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this delete kit void my vehicle's warranty?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, deleting emissions components—such as EGR—can void your factory warranty. It's important to review your warranty terms or consult a professional mechanic before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the L5P Delete Kit legal to use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e In many regions, deleting emissions equipment is not legal for street use. \u003cstrong\u003eThe 2020 Duramax Delete Kit\u003c\/strong\u003e is intended for \u003cstrong\u003eoff-road or competition use only\u003c\/strong\u003e. Check local emissions laws before installing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the delete kit improve performance?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By eliminating the EGR system, the engine breathes cleaner air, runs cooler, and produces more power and torque—especially noticeable on \u003cstrong\u003e2020–2024 models under heavy load or towing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will my 2021 GMC Sierra pass emissions with this kit installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Likely not. Removing emissions equipment like EGR typically causes the vehicle to \u003cstrong\u003efail emissions testing\u003c\/strong\u003e. Use this kit only where allowed by law.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What tools are needed to install the 2020 Duramax Delete Kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Basic tools like wrenches, sockets, and screwdrivers are sufficient. The kit includes all necessary gaskets, fittings, and instructions tailored for \u003cstrong\u003e2017–2025 L5P Duramax trucks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What should I do if I encounter issues during installation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Check the troubleshooting guide in the manual. For further support, SPELAB’s technical team is available to assist—just contact our customer service for help.\u003c\/p\u003e\n\u003cp\u003e---tab Blog \u0026amp; Video---\u003c\/p\u003e","brand":"SPELAB","offers":[{"title":"2017-2025","offer_id":52623967060280,"sku":"SPOS20049-BK","price":157.77,"currency_code":"USD","in_stock":true},{"title":"2017-2025 L5P Duramax Downpipe","offer_id":52623967093048,"sku":"SPES08074","price":228.0,"currency_code":"USD","in_stock":true},{"title":"2017-2019 CAN BUS Plug Kit(Black)","offer_id":52623967125816,"sku":"SPOS09024","price":140.0,"currency_code":"USD","in_stock":true},{"title":"2020-2023 CAN BUS Plug Kit","offer_id":52623967158584,"sku":"SPOS09098","price":140.0,"currency_code":"USD","in_stock":true},{"title":"2017-2025 L5P Downpipe+EGR Delete","offer_id":52623967191352,"sku":"SPOS20049-BK-ES08074","price":387.0,"currency_code":"USD","in_stock":true},{"title":"2017-2025 L5P Downpipe+Up pipe","offer_id":52623967224120,"sku":"SPES08191-ES08074","price":438.0,"currency_code":"USD","in_stock":true},{"title":"2017-2025 L5P EGR+Up pipe","offer_id":52623967256888,"sku":"SPOS20049-BK-ES08191","price":359.99,"currency_code":"USD","in_stock":true},{"title":"2017-2025 L5P EGR+Up pipe+Downpipe","offer_id":52623967289656,"sku":"SPOS20049-BK-ES08191-ES08074","price":627.0,"currency_code":"USD","in_stock":true},{"title":"2017-2019 (CAN BUS Plug +EGR )","offer_id":52623967322424,"sku":"SPOS09024-OS20049-BK","price":309.0,"currency_code":"USD","in_stock":true},{"title":"2020-2023 (CAN BUS Plug +EGR )","offer_id":52623967355192,"sku":"SPOS09098-OS20049-BK","price":309.0,"currency_code":"USD","in_stock":true},{"title":"2017-2019 (CAN BUS Plug +EGR +Downpipe)","offer_id":52623967387960,"sku":"SPOS09024-OS20049-BK-ES08074","price":568.0,"currency_code":"USD","in_stock":true},{"title":"2020-2023 (CAN BUS Plug +EGR +Downpipe)","offer_id":52623967420728,"sku":"SPOS09098-OS20049-BK-ES08074","price":568.0,"currency_code":"USD","in_stock":true},{"title":"2017-2019 (CAN BUS Plug +EGR +DPF Delete)","offer_id":52623967453496,"sku":"SPOS09024-OS20049-BK-ES08120","price":599.0,"currency_code":"USD","in_stock":true},{"title":"2020-2023 (CAN BUS Plug +EGR +DPF )","offer_id":52623967486264,"sku":"SPOS09098-OS20049-BK-ES08120","price":599.0,"currency_code":"USD","in_stock":true},{"title":"2017-2019 (CAN BUS Plug+EGR+DPF+Downpipe)","offer_id":52623967519032,"sku":"SPOS09024-OS20049-BK-ES08120-ES08074","price":846.0,"currency_code":"USD","in_stock":true},{"title":"2020-2023 (CAN BUS Plug +EGR +DPF+Downpipe)","offer_id":52623967551800,"sku":"SPOS09098-OS20049-BK-ES08120-ES08074","price":846.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/001_7c66432e-1e8c-4d38-9956-831fb39082aa.png?v=1783575491"},{"product_id":"4-5-dpf-delete-race-pipe-for-2017-2025-l5p-6-6-duramax-chevy-gmc-2500hd-3500hd-spelab-1","title":"4\"\/5\" DPF Delete Race Pipe for 2017-2025 L5P 6.6 Duramax Chevy GMC 2500HD 3500HD | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNote: Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe.\u003c\/span\u003e The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock your 2017-2024 L5P 6.6L Duramax's true potential with this high-performance DPF delete pipe. Our precision-engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool-up and throttle response. The mandrel-bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off-road enthusiasts seeking better power delivery and reduced maintenance hassles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9589%; height: 117.539px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.3094%;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e 4.0\"\/5.0‘’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eExpect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF\/CAT expect to get a combined mileage of 18-19 mpg.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt removes the need to service the DPF at regular intervals (cleaning, replacement)\u003c\/li\u003e\n\u003cli\u003eA DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs\u003c\/li\u003e\n\u003cli\u003eDue to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!\u003c\/li\u003e\n\u003cli\u003ePaired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eYou will get a FREE high-quality exhaust tip for 4''\u0026amp;5'' Dp-back – unlike others who charge extra!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca title='installation-instruction-of-4\" 2017-2022 L5P 6.6 Duramax DPF \u0026amp; Cat Delete Pipe Chevy GMC | SPELAB' href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003eDPF Delete Race Pipe Instruction for L5P\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003cbr\u003e\u003cstrong\u003eTuner Required: \u003c\/strong\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCrew cab short bed \u0026amp; crew cab long bed. This will not fit the 3500\/4500\/5500 Cab \u0026amp; Chassis commercial style truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e---tab FAQ---\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What’s the difference between 4\" and 5\" exhaust systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" – Better for mild\/moderate tunes, retains some backpressure for low-end torque.\u003c\/li\u003e\n\u003cli\u003e5\" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Will a magnet stick to this pipe? Is it really stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does this fit both short-bed and long-bed Crew Cab trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes – Fits all 2017-2025 L5P Duramax Crew Cab configurations (short bed \u0026amp; long bed).\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. How thick is the pipe? Will it last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Is this a full turbo-back or just downpipe-back?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDownpipe-Back – Replaces everything after the downpipe (DPF \u0026amp; exhaust).\u003c\/li\u003e\n\u003cli\u003eFor a full turbo-back system, you’ll need an additional DPF-delete downpipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Will this improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes! Benefits include:\u003c\/li\u003e\n\u003cli\u003eLower EGTs (Exhaust Gas Temperatures)\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency (with proper tuning)\u003c\/li\u003e\n\u003cli\u003eNo more DPF clogging issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Is this street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"4'' DPF Race(2017-2025)","offer_id":52623967748408,"sku":"SPES08120","price":298.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2017-2019) Free Exhaust Tips","offer_id":52623967781176,"sku":"SPES08067-ES08019SP","price":579.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back（2020-2025）Free Exhaust Tip","offer_id":52623967813944,"sku":"SPES08673S4.0-ES08019SP","price":587.0,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2017-2019）Free Exhaust Tips","offer_id":52623967846712,"sku":"SPES08070-ES08023SP","price":714.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2020-2025）","offer_id":52623967879480,"sku":"SPES08673S5.0-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back w\/Muffler(2017-2019)Free Exhaust Tips","offer_id":52623967912248,"sku":"SPES08071-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back Dual (2017-2021)","offer_id":52623967945016,"sku":"SPES08679S5.0","price":799.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe (2017-2024 L5P)","offer_id":52623967977784,"sku":"SPES08074","price":228.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/452017-2022L5P6.6DuramaxDPFDeleteRacePipeChevyGMCSPELAB_1_0ddc63b8-d582-48d1-b441-b91776ad2c09.webp?v=1783575509"},{"product_id":"4-5-downpipe-back-for-2017-2025-l5p-6-6-duramax-dpf-delete-race-pipe-spelab-1","title":"4\"\/5\" Downpipe-Back for 2017-2025 L5P 6.6 Duramax DPF Delete Race Pipe | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNote: Spelab 6.6L Duramax L5P DP-Back must be used together with our downpipe.\u003c\/span\u003e The factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock your 2017-2025 L5P 6.6L Duramax's true potential with this high-performance DPF delete pipe. Our precision-engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool-up and throttle response. The mandrel-bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off-road enthusiasts seeking better power delivery and reduced maintenance hassles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9589%; height: 97.9491px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e2mm thick for long-lasting durability and heat resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e 4.0\"\/5.0‘’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 39.1797px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 39.1797px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eExpect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF\/CAT expect to get a combined mileage of 18-19 mpg.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt removes the need to service the DPF at regular intervals (cleaning, replacement)\u003c\/li\u003e\n\u003cli\u003eA DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs\u003c\/li\u003e\n\u003cli\u003eDue to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!\u003c\/li\u003e\n\u003cli\u003ePaired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eYou will get a FREE high-quality exhaust tip for 4''\u0026amp;5'' Dp-back – unlike others who charge extra!\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" width=\"24\" height=\"24\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\" title='installation-instruction-of-4\" 2017-2022 L5P 6.6 Duramax DPF \u0026amp; Cat Delete Pipe Chevy GMC | SPELAB'\u003eDPF Delete Race Pipe Instruction for L5P\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003cbr\u003e\u003cstrong\u003eTuner Required: \u003c\/strong\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCrew cab short bed \u0026amp; crew cab long bed. This will not fit the 3500\/4500\/5500 Cab \u0026amp; Chassis commercial style truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e---tab FAQ---\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What’s the difference between 4\" and 5\" exhaust systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" – Better for mild\/moderate tunes, retains some backpressure for low-end torque.\u003c\/li\u003e\n\u003cli\u003e5\" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Will a magnet stick to this pipe? Is it really stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does this fit both short-bed and long-bed Crew Cab trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes – Fits all 2017-2025 L5P Duramax Crew Cab configurations (short bed \u0026amp; long bed).\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. How thick is the pipe? Will it last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Will this improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes! Benefits include:\u003c\/li\u003e\n\u003cli\u003eLower EGTs (Exhaust Gas Temperatures)\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency (with proper tuning)\u003c\/li\u003e\n\u003cli\u003eNo more DPF clogging issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Is this street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"4'' Dp-Back（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623971844408,"sku":"SPES08067-ES08019SP","price":579.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2020+) w\/Exhaust Tips \/ Silver","offer_id":52623971877176,"sku":"SPES08673S4.0-ES08019SP","price":587.0,"currency_code":"USD","in_stock":true},{"title":"4'' Dp-Back(2020+) w\/Exhaust Tips \/ Black","offer_id":52623971909944,"sku":"SPJN-EXS22-00002009-ES08019SP","price":619.0,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623971942712,"sku":"SPES08070-ES08023SP","price":714.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back(2020+) \/ Silver","offer_id":52623971975480,"sku":"SPES08673S5.0-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back w\/Muffler（2017-2019）Free Exhaust Tips \/ Silver","offer_id":52623972008248,"sku":"SPES08071-ES08023SP","price":769.99,"currency_code":"USD","in_stock":true},{"title":"5'' Dp-Back Dual (2017-2021) \/ Silver","offer_id":52623972041016,"sku":"SPES08679S5.0","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/452017-2022L5P6.6DuramaxDPFDeleteRacePipeChevyGMCSPELAB_1_947b23fa-3f03-47a7-a762-34b4158762d4.jpg?v=1783575530"},{"product_id":"4-downpipe-back-single-for-2020-2025-l5p-6-6l-duramax-dpf-delete-race-pipe-gm-2500-3500-spelab","title":"4‘’ Downpipe Back Single for 2020-2025 L5P 6.6L Duramax DPF Delete Race Pipe GM 2500\/3500|SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Lis_ab584742-3a4f-4cc3-8e5e-38a8c6a7f36d.webp?v=1704190657\" alt='4\" Downpipe Back Single 2020-2022 GM 2500\/3500 6.6L Duramax L5P DPF Delete Race Pipe |SPELAB'\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlock your 2020-2025 L5P 6.6L Duramax's true potential with this high-performance DPF delete pipe. Our precision-engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool-up and throttle response. The mandrel-bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off-road enthusiasts seeking better power delivery and reduced maintenance hassles.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9589%; height: 97.9491px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e2mm thick for long-lasting durability and heat resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 19.5898px;\"\u003e 4.0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 34.3094%; height: 39.1797px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5489%; height: 39.1797px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eExpect to see a significant increase in fuel mileage. If your DPF is plugged up your probably averaging about 13-14 mpg. More or less depending on the severity of the restriction. After deleting the DPF\/CAT expect to get a combined mileage of 18-19 mpg.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt removes the need to service the DPF at regular intervals (cleaning, replacement)\u003c\/li\u003e\n\u003cli\u003eA DPF delete will remove the possibility of a DPF failure which could cause expensive diesel repairs\u003c\/li\u003e\n\u003cli\u003eDue to less exhaust backpressure, the DPF delete increases exhaust flow and therefore increases the performance of your motor!\u003c\/li\u003e\n\u003cli\u003ePaired with an ECU remap, the DPF delete is proven to increase power and torque for all vehicles\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eYou will get a FREE high-quality exhaust tip\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\" width=\"24\" height=\"24\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\" title='installation-instruction-of-4\" 2017-2022 L5P 6.6 Duramax DPF \u0026amp; Cat Delete Pipe Chevy GMC | SPELAB'\u003eDPF Delete Race Pipe Instruction for L5P\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003cbr\u003e\u003cstrong\u003eTuner Required: \u003c\/strong\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003e* \u003cb\u003eIMPORTANT NOTE:\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: #ff2a00;\"\u003e \u003c\/span\u003eThese kits will only fit models equipped with the OEM style 4-bolt flange off the turbo direct pipe! \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eSpelab 6.6L Duramax L5P DP-Back must be used together with our \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/3-5-downpipe-exhaust-for-2017-2023-l5p-6-6l-duramax-diesel-spelab\"\u003edownpipe\u003c\/a\u003e.\u003c\/span\u003e \u003c\/strong\u003eThe factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e---tab FAQ---\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat is the DPF and is it worth doing a DPF Delete?\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eMost post-2007 diesel vehicles are fitted with a Diesel Particulate Filter (DPF) for emissions reasons, however there are a few disadvantages to this device; including constant maintenance and repairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the DPF clogs up, it increases backpressure. Due to this pressure, the fuel flow is hugely disturbed and slowed down. Therefore, when you remove this filter, the fuel flows much easily and faster, increasing the overall fuel mileage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What’s the difference between 4\" and 5\" exhaust systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4\" – Better for mild\/moderate tunes, retains some backpressure for low-end torque.\u003c\/li\u003e\n\u003cli\u003e5\" – Best for high-horsepower builds, maximizes flow for reduced EGTs and top-end power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Will a magnet stick to this pipe? Is it really stainless steel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes – This pipe uses T-409 stainless steel, which is still magnetic (unlike T-304). It offers excellent corrosion resistance while being more affordable than T-304.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. Does this fit both short-bed and long-bed Crew Cab trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes – Fits all 2020-2025 L5P Duramax Crew Cab configurations (short bed \u0026amp; long bed).\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit Cab \u0026amp; Chassis models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. How thick is the pipe? Will it last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2mm thick T-409 stainless steel – Durable enough for long-term use without excessive weight.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Will this improve performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYes! Benefits include:\u003c\/li\u003e\n\u003cli\u003eLower EGTs (Exhaust Gas Temperatures)\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool\u003c\/li\u003e\n\u003cli\u003eBetter fuel efficiency (with proper tuning)\u003c\/li\u003e\n\u003cli\u003eNo more DPF clogging issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Is this street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"4'' Downpipe Back Single（Free Exhaust Tip)","offer_id":52624007168312,"sku":"SPES08673S4.0-ES08019SP","price":587.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/01_d829fb02-e47a-4a8f-93eb-2cc8e1e0c987.webp?v=1783576315"},{"product_id":"egr-dpf-delete-kit-for-2017-2025-6-6l-duramax-l5p-2500hd-3500hd","title":"EGR\/DPF Delete Kit for 2017-2025 6.6L Duramax L5P 2500HD 3500HD","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003csection aria-label=\"Product summary\"\u003e\n  \u003cp\u003eThis L5P Duramax EGR\/DPF Delete Kit is built for off-road 2017–2025 6.6L Duramax owners dealing with repeated regens, DPF clogging, EGR heat, soot buildup, and exhaust restriction. It helps the truck breathe easier, run cooler, reduce maintenance headaches, and support stronger tuned performance.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003ch2\u003eL5P Duramax EGR\/DPF Delete Kit Overview\u003c\/h2\u003e\n\u003cp\u003eBoost your 2017-2025 6.6L L5P Duramax performance and longevity with our high-quality EGR\/DPF 2-in-1 Delete Kit. Designed to eliminate restrictive emissions systems, this kit improves horsepower, torque, and fuel efficiency while reducing engine heat and maintenance costs. Perfect for diesel enthusiasts seeking optimal engine performance and reliability.\u003c\/p\u003e\n\u003ch2\u003eKey Features of This 2-in-1 Delete Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Functionality\u003c\/strong\u003e – Combines \u003cstrong\u003eEGR delete\u003c\/strong\u003e and \u003cstrong\u003eDPF delete\u003c\/strong\u003e in one kit for a complete emissions system solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Performance\u003c\/strong\u003e – Reduces exhaust backpressure, unlocking \u003cstrong\u003ebetter throttle response, increased horsepower, and improved fuel economy\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooler Engine Temps\u003c\/strong\u003e – Eliminates EGR-induced heat, reducing stress on the engine and extending its lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Maintenance\u003c\/strong\u003e – Prevents costly DPF clogging and EGR-related carbon buildup, saving on repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Construction\u003c\/strong\u003e – Made from \u003cstrong\u003edurable, precision-engineered components\u003c\/strong\u003e for a perfect fit and long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Includes all necessary hardware and clear instructions for a smooth DIY or professional install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with Tuners\u003c\/strong\u003e – Works seamlessly with aftermarket tuning solutions to maximize performance gains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9589%; height: 78.3592px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3149%; height: 19.5898px;\"\u003e\u003cstrong\u003eExhaust Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5433%; height: 19.5898px;\"\u003eT-409 Stainless Steel, it is magnetic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3149%; height: 19.5898px;\"\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5433%; height: 19.5898px;\"\u003e2mm thick for long-lasting durability and heat resistance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3149%; height: 19.5898px;\"\u003e\u003cstrong\u003eInlet Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5433%; height: 19.5898px;\"\u003e 4.0\"\/5.0‘’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 34.3149%; height: 19.5898px;\"\u003e\u003cstrong\u003emandrel-bent construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.5433%; height: 19.5898px;\"\u003eMaximum flow efficiency, helping your diesel breathe easier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/Instruction_ES08120.pdf?v=1682132971\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e2017-2025 6.6L Duramx DPF Delete Pipe Instruction\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"24\" width=\"24\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0661\/3342\/6313\/files\/file-line-icon_1.svg?v=1745396708\"\u003e \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/spelab-instruction-2017-2019-6-6l-duramax-l5p-egr-valve-cooler-delete-kit\"\u003e\u003cspan style=\"color: #2b00ff;\"\u003e2017-2025 6.6L Duramax EGR delete kit instruction\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eTuner Required for Delete Pipe Installation\u003c\/h3\u003e\n\u003cp\u003eInstalling a \u003cstrong\u003e6.6 Duramax delete pipe\u003c\/strong\u003e requires more than just swapping out hardware. When removing of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A \u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDPF delete\u003c\/span\u003e capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003ch2\u003eHow to Choose DPF Delete Kit?\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e4” vs 5” Straight Pipe Comparison\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a \u003cstrong\u003e6.6 Duramax delete pipe\u003c\/strong\u003e, the most common options are 4-inch and 5-inch straight pipes.\u003cbr\u003eThe \u003cstrong\u003e4-inch straight pipe\u003c\/strong\u003e delivers a tighter, raspier exhaust note—especially noticeable at lower RPMs—making it ideal for daily driving or mildly tuned setups where excessive drone is undesirable.\u003cbr\u003eIn contrast, the \u003cstrong\u003e5 inch straight pipe 6.7 \u003cstrong\u003eDuramax\u003c\/strong\u003e\u003c\/strong\u003e offers a deeper, more refined tone with less high-pitch resonance. It excels in high-output builds and towing scenarios, where increased exhaust flow is beneficial.\u003c\/p\u003e\n\u003cp\u003eDriver feedback suggests:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4”straight pipe\u003c\/strong\u003e is great for stock-to-lightly-modded trucks and a quieter cabin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5”\u003c\/strong\u003e\u003cstrong\u003estraight pipe \u003c\/strong\u003eis perfect for aggressive builds, deeper tone lovers, or anyone maximizing exhaust performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #ff2a00;\"\u003eDifferent Types of DPF Delete\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/DPF_STYLE1.0.webp?v=1770359727\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4\u003eDPF Race Delete\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOnly removes the DPF (keeps stock downpipe)\u003c\/li\u003e\n\u003cli\u003eMinimal performance gain but cheapest option\u003c\/li\u003e\n\u003cli\u003eBest for budget-focused or emissions-testing avoidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDownpipe-Back Delete\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces exhaust from the turbo downpipe backward\u003c\/li\u003e\n\u003cli\u003eImproves mid-range power and throttle response\u003c\/li\u003e\n\u003cli\u003eGood for street builds keeping stock turbo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTurbo Back Delete\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFull system replacement from turbo outlet\u003c\/li\u003e\n\u003cli\u003eIncludes high-flow downpipe for maximum efficiency\u003c\/li\u003e\n\u003cli\u003eReduces turbo lag and boosts top-end power\u003c\/li\u003e\n\u003cli\u003eTop choice for tuned\/high-performance engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003ch2\u003eL5P Duramax EGR\/DPF Kit Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2017-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eDoes NOT fit Cab \u0026amp; Chassis truck.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou can also explore our\u003ca title=\"L5P delete kit\" href=\"https:\/\/www.spelabautoparts.com\/collections\/all-in-one-kit-duramax\"\u003e L5P delete kit\u003c\/a\u003e bundles for more performance combinations.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(224, 62, 45);\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eSpelab 6.6L Duramax L5P DP-Back must be used together with our \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/3-5-downpipe-exhaust-for-2017-2023-l5p-6-6l-duramax-diesel-spelab\"\u003edownpipe\u003c\/a\u003e.\u003c\/span\u003e \u003c\/strong\u003eThe factory downpipe has an integrated SCR assembly and cannot connect directly. Ours must be installed first to allow proper attachment of the subsequent exhaust section.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003ch2\u003eEGR\/DPF Delete Kit FAQs\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. Will I need a tuner after installation?\u003cbr\u003e\u003c\/strong\u003eA1. Yes! Deleting the EGR and DPF requires a custom tune to prevent check engine lights and ensure proper engine operation. The factory ECU expects these systems to function, so a tuner (like SCT, H\u0026amp;S, or EZ Lynk) is necessary to optimize performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Does this kit improve fuel mileage?\u003cbr\u003e\u003c\/strong\u003eA2. Many users report\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1-3 MPG gains\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eafter deleting the DPF, as the engine no longer wastes fuel on forced regenerations. Combined with a proper tune, you can maximize efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. How difficult is the installation?\u003cbr\u003e\u003c\/strong\u003eA3. Installation is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emoderate to advanced\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand requires mechanical experience. The DPF delete involves exhaust modifications, while the EGR delete requires removing the cooler and related components. Some welding may be needed depending on the kit configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. Will deleting the EGR\/DPF hurt my engine?\u003cbr\u003e\u003c\/strong\u003eA4. No—in fact, it\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereduces engine stress\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eby eliminating soot buildup in the intake (from EGR) and excessive backpressure (from the DPF). However, proper tuning is critical to avoid issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Does this kit include everything I need?\u003cbr\u003e\u003c\/strong\u003eA5. Most kits include\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEGR block-off plates, DPF delete pipes, clamps, and hardware\u003c\/strong\u003e, but some may require additional components (like a tuner or up-pipes). Always check the product description before purchasing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. Can I pass emissions testing after installing this kit?\u003cbr\u003e\u003c\/strong\u003eA6. No. Since the EGR and DPF are removed, your truck will\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot pass emissions inspections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein states that require them. You may need to reinstall stock components for testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Will my truck throw check engine lights (CELs) after install?\u003cbr\u003e\u003c\/strong\u003eA7. Without a proper tune,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eyes\u003c\/strong\u003e—the ECU will detect missing emissions components. A quality tuner will disable these codes and optimize performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8. How much horsepower can I gain?\u003cbr\u003e\u003c\/strong\u003eA8. Results vary, but many users see\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e50-100+ HP gains\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(with tuning) due to reduced exhaust restrictions and improved airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"Black \/ 4\" DPF Race \/ 2017+","offer_id":52624007921976,"sku":"SPOS20049-BK-ES08120","price":467.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 4\" Downpipe-Back \/ 2017-2019","offer_id":52624007954744,"sku":"SPOS20049-BK-ES08067","price":748.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ 4\" Downpipe-Back \/ 2020+","offer_id":52624007987512,"sku":"SPOS20049-BK-ES08673S4.0","price":756.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5\" Downpipe-Back \/ 2017-2019","offer_id":52624008020280,"sku":"SPOS20049-BK-ES08070","price":928.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5\" Downpipe-Back \/ 2020+","offer_id":52624008053048,"sku":"SPOS20049-BK-ES08673S5.0","price":868.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5\" Downpipe-Back w\/Muffler \/ 2017-2019","offer_id":52624008085816,"sku":"SPOS20049-BK-ES08071","price":988.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5\" Downpipe-Back Dual \/ 2017-2021","offer_id":52624008118584,"sku":"SPOS20049-BK-ES08679S5.0","price":968.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/029_4d7b7249-363f-4a1e-8b22-14033c6c3990.jpg?v=1783576349"},{"product_id":"black-4-0-downpipe-back-exhaust-for-2020-2025-l5p-6-6-duramax-dpf-delete-kit-spelab","title":"Black 4.0\" Downpipe-Back Exhaust for 2020-2025 L5P 6.6 Duramax DPF Delete Kit | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch2\u003eBlack L5P 4\" Exhaust Overview\u003c\/h2\u003e\n\u003cp\u003eFit for 2020-2025 L5P 6.6 Duramax, our 4-inch black downpipe-back DPF delete exhaust replaces your restrictive stock system to boost engine horsepower, torque and throttle response, paired with a deep, aggressive exhaust sound. Built with durable 409 stainless steel, black powder coating and titanium heat wrap, it offers excellent heat and corrosion resistance. A great upgrade for towed, off-road and tuned trucks, it improves overall performance, fuel efficiency and undercarriage styling.\u003c\/p\u003e\n\u003ch2\u003eBlack 4\" Downpipe-Back Exhaust Key Features\u003c\/h2\u003e\n\u003cp\u003eBy replacing the factory restrictive exhaust setup, SPELAB L5P 4.0\" Downpipe-Back optimizes overall engine operational efficiency, boosts gas mileage, cuts down long-term fuel costs, and ensures stable, superior performance during heavy-load towing and off-road adventures.\u003c\/p\u003e\n\u003ch3\u003eBlack Powder Coating for Heat and Corrosion Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Protection\u003c\/strong\u003e: Professional-grade coating withstands brutal exhaust heat, preventing discoloration and heat damage for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Corrosion Resistance\u003c\/strong\u003e: Shields against road salt, moisture, mud, and off-road debris, ensuring lifelong durability even in harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Aesthetics:\u003c\/strong\u003e Sleek matte black finish transforms your truck’s undercarriage, giving it a stealthy, performance-focused look that matches your Duramax’s power..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBlack Titanium Heat Wrap for Head Pipe Heat Control\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/listing03.webp?v=1782094639\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Underbody Heat Radiation:\u003c\/strong\u003e Blocks harmful heat from damaging sensitive hoses, wiring, fuel lines, and engine components, extending part life and preventing heat-related failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Temperature Endurance:\u003c\/strong\u003e Rated to withstand over 1000°C (1832°F) – ideal for tuned Duramax engines, heavy towing, and high-performance off-road use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Exhaust Flow:\u003c\/strong\u003e Eliminates heat soak, keeps exhaust gases moving fast, and optimizes engine efficiency for consistent power gains and smoother operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠ Off-Road Use Only – DPF removal is illegal for on-road vehicles in most regions. For competition\/racing use only.\u003c\/p\u003e\n\u003ch2\u003eDownpipe-Back Exhaust Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial: \u003c\/strong\u003ePremium 409 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish: \u003c\/strong\u003eHigh-Temperature Black Powder Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Management: \u003c\/strong\u003eBlack Titanium Heat Wrap on Head Pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type: \u003c\/strong\u003eDownpipe-Back DPF Delete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication: \u003c\/strong\u003eDesigned for Downpipe-back systems, ideal for high-temperature environments, towing, heavy loads, performance-tuned vehicles, and off-road use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability: \u003c\/strong\u003eBuilt to enhance exhaust system robustness and impact resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003eInstall takes about 1hr with basic hand tools done on the ground of your driveway or garage. Quicker if you have automotive style lift. Cutting may be be required to fit shorter wheelbase bed\/cab configurations. Clamps, hangers and hardware are included. You may have to re-use some factory hardware.\u003c\/p\u003e\n\u003ch3\u003eTuner Required for DPF Delete Exhaust Installation\u003c\/h3\u003e\n\u003cp\u003eRemoval of the DPF, CAT, SCR, and\/or DOC involves removing and eliminating emission related sensors. A DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eL5P Duramax Downpipe-Back Exhaust Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel GMC Sierra 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel GMC Sierra 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado 3500 HD\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eCrew cab short bed \u0026amp; crew cab long bed. This will \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNOT FIT the 3500\/4500\/5500 Cab \u0026amp; Chassis commercial style truck\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIf you need 4.0\" Downpipe-Back, you can click \u003ca href=\"https:\/\/www.spelabautoparts.com\/products\/downpipe-back-2017-2022-l5p-6-6-duramax-dpf-delete-race-pipe?variant=46020816044283\"\u003e\u003cstrong\u003eHERE\u003c\/strong\u003e\u003c\/a\u003e to purchase.\u003c\/p\u003e\n\u003cp\u003e---tab Shipping \u0026amp; Returns---\u003c\/p\u003e\n\u003cdiv class=\"policy-container\"\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eFast Shipping Policy\u003c\/h3\u003e\n\u003cp\u003eYour order will be dispatched within \u003cstrong\u003e1-2 business days\u003c\/strong\u003e, and the package will arrive within your order's estimated date. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/shipping-policy\"\u003eClick for Shipping Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"policy-item\"\u003e\n\u003ch3\u003eEasy Return Policy\u003c\/h3\u003e\n\u003cp\u003eEvery order comes with a \u003cstrong\u003e14-day free return\u003c\/strong\u003e, which means you don't have to pay for a return slip. \u003ca href=\"https:\/\/www.spelabautoparts.com\/pages\/refund-policy\"\u003eClick for Return Policy\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPELAB","offers":[{"title":"Without Exhaust Tip","offer_id":52624012083512,"sku":"SPJN-EXS22-00002009","price":589.0,"currency_code":"USD","in_stock":true},{"title":"With Exhaust Tip","offer_id":52624012116280,"sku":"SPJN-EXS22-00002009-ES08019SP","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/01_560bf389-2348-4e93-9b9d-d4e1968d9fb1.webp?v=1783576425"}],"url":"https:\/\/bsdptuning.com\/collections\/2020-2025-l5p-duramax.oembed","provider":"BSDP Tuning","version":"1.0","type":"link"}