{"product_id":"4-downpipe-back-dpf-delete-kit-for-2015-5-2016-chevy-gmc-lml-6-6-duramax","title":"4‘’ Downpipe-Back DPF Delete Kit for 2015.5-2016 Chevy GMC LML 6.6 Duramax","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEnhance your 2015.5–2016 Duramax 6.6L performance with this off-road\/racing-only DPF-delete straight exhaust system. Designed for maximum flow and minimal backpressure, it boosts horsepower, torque, and exhaust gas temperature (ECT) reduction—ideal for towing, racing, and heavy-duty off-road use. Made from durable T409 stainless steel, it’s a must-have for serious performance builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eFull Straight-Pipe Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Improves exhaust flow, reduces backpressure, and significantly lowers ECTs for increased engine power and efficiency.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eOff-Road\/Racing Use Only:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Removes DPF and catalytic converters—not compliant with EPA\/CARB emissions standards.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Offers high heat and corrosion resistance with a balance of durability and cost-effectiveness.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eEasy Bolt-On Installation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Uses factory-style hanger locations for a secure fit without chassis modifications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003ePerformance-Optimized:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Best paired with ECU tuning, larger turbos, and upgraded injectors—supports 500+ HP Duramax builds.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eReduced Maintenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Eliminates DPF-related servicing and prevents clogging or failure issues.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eLightweight \u0026amp; Open Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No muffler or resonator for maximum sound and minimal restriction—perfect for race and off-road environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cp\u003e\u003cstrong\u003eTuner Required for Installation: \u003c\/strong\u003eInstalling a \u003cstrong data-start=\"129\" data-end=\"160\"\u003eLML 6.6 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 DPF delete capable tuner is required to prevent any check engine light or diagnostic trouble codes from setting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e⚠️ Note: For off-road\/competition use only. Not compatible with emissions sensors or Cab \u0026amp; Chassis models. Does not include a tip. Tuning required for optimal performance.\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\u003carticle class=\"4ever-article\" data-clipboard-cangjie=\"[\u0026quot;root\u0026quot;,{\u0026quot;copyFrom\u0026quot;:\u0026quot;im-native\u0026quot;},[\u0026quot;p\u0026quot;,{},[\u0026quot;span\u0026quot;,{\u0026quot;data-type\u0026quot;:\u0026quot;text\u0026quot;},[\u0026quot;span\u0026quot;,{\u0026quot;data-type\u0026quot;:\u0026quot;leaf\u0026quot;},\u0026quot;what's in the box\u0026quot;]]]]\"\u003e\u003c\/article\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2015.5 - 2016 Chevrolet Silverado \u0026amp; GMC Sierra 2500\/3500 HD 6.6L Duramax LML pickup trucks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: *3-Bolt Flange Style. *Will not fit Cab \u0026amp; Chassis trucks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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","offer_id":52624006250808,"sku":"SPJN-EXS22-00002001","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/JN-EXS22-00002001.jpg?v=1783576252","url":"https:\/\/bsdptuning.com\/products\/4-downpipe-back-dpf-delete-kit-for-2015-5-2016-chevy-gmc-lml-6-6-duramax","provider":"BSDP Tuning","version":"1.0","type":"link"}