{"title":"2001-2004 LB7 Duramax","description":"","products":[{"product_id":"2001-2004-lb7-duramax-engine-tuning","title":"2001-2004 LB7 Duramax Engine Tuning","description":"\u003cp\u003eCustom engine calibration for the 2001–2004 LB7 6.6L Duramax — purpose-built for drivers who want maximum engine output without touching the Allison 1000 TCM calibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCustom VIN-matched LB7 ECM calibration with multiple switchable power levels\u003c\/li\u003e\n\u003cli\u003eFueling, timing, boost, and rail pressure calibration optimized for the LB7 injector system\u003c\/li\u003e\n\u003cli\u003eDatalogging support for post-install tuning refinement\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow it works\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFiles are delivered via EFI Live FlashScan V2. Your calibration is built from your stock ECM file and locked to your VIN. A FlashScan V2 device is required to flash the ECM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupport tiers\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimited (4 Weeks):\u003c\/strong\u003e Four weeks of revision rounds; tune stays on your tool after the window closes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull (Lifetime):\u003c\/strong\u003e Unlimited revisions and lifetime access as your modifications change.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRequires an EFI Live FlashScan V2 device. Engine tune only — does not include Allison TCM calibration.\u003c\/p\u003e\u003cp\u003eAll calibrations are developed for emissions-compliant performance and must be used in accordance with applicable local, state, and federal regulations.\u003c\/p\u003e","brand":"Nanotorque Diesel","offers":[{"title":"Limited Support — 4 Weeks","offer_id":52623375401272,"sku":null,"price":450.0,"currency_code":"USD","in_stock":true},{"title":"Full Support — Lifetime","offer_id":52623375434040,"sku":null,"price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/dm-lb7-eng_hover.jpg?v=1783568986"},{"product_id":"2001-2004-lb7-duramax-tuning-package-engine-allison","title":"2001-2004 LB7 Duramax Tuning Package (Engine + Allison)","description":"\u003cp\u003eFull calibration package for the 2001–2004 LB7 6.6L Duramax paired with the Allison 1000 transmission — the complete solution for drivers who want coordinated engine and drivetrain performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCustom VIN-matched LB7 engine calibration with multiple switchable power levels\u003c\/li\u003e\n\u003cli\u003eAllison 1000 transmission calibration with shift pressure, shift point, and torque management tuning\u003c\/li\u003e\n\u003cli\u003eDatalogging support for ongoing calibration refinement\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow it works\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFiles are delivered via EFI Live FlashScan V2. Your tuner uses your stock file and vehicle data to build a VIN-locked custom calibration. A FlashScan V2 device is required to load tunes onto the ECM and TCM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupport tiers\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimited (4 Weeks):\u003c\/strong\u003e Four weeks of revision rounds after initial file delivery; tune remains on your tool after the support window closes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull (Lifetime):\u003c\/strong\u003e Unlimited revisions and lifetime access as your build, fuel, or modifications evolve.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRequires an EFI Live FlashScan V2 device. Not compatible with other flash platforms.\u003c\/p\u003e\u003cp\u003eAll calibrations are developed for emissions-compliant performance and must be used in accordance with applicable local, state, and federal regulations.\u003c\/p\u003e","brand":"Nanotorque Diesel","offers":[{"title":"Limited Support — 4 Weeks","offer_id":52623375761720,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true},{"title":"Full Support — Lifetime","offer_id":52623375794488,"sku":null,"price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/dm-lb7-pkg_hover.jpg?v=1783568993"},{"product_id":"upgrade-all-aluminum-tube-fin-intercooler-for-2001-2005-lly-lb7-chevrolet-gmc-sierra-2500hd-3500hd-6-6l-duramax-spelab","title":"Upgrade All-Aluminum Tube-Fin Intercooler for 2001-2005 LLY LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch2\u003eLB7\/LLY Duramax Tube-Fin Intercooler Overview\u003c\/h2\u003e\n\u003cp\u003eRestore performance and reliability to your aging Duramax. The SPELAB All-Aluminum Tube-Fin Intercooler is the ultimate durability replacement for the 2001-2005 Chevy\/GMC 2500HD\/3500HD (LB7 \u0026amp; LLY).\u003c\/p\u003e\n\u003cp\u003eOlder Duramax trucks, especially the LLY, struggle with engine coolant overheating when the cooling stack is restricted. Unlike thick, heavy aftermarket cores that can block airflow to the radiator, SPELAB's 40mm Slim-Profile Tube-Fin core is engineered to maintain factory-level airflow pass-through. This design prioritizes the health of your entire cooling system, keeping water temperatures safe while towing.\u003c\/p\u003e\n\u003cp\u003eCrucially, this unit replaces the failure-prone factory plastic end tanks with 100% aluminum. No more blown crimps, no more boost leaks—just reliable, consistent performance for your work truck or daily driver.\u003c\/p\u003e\n\u003ch2\u003eAll-Aluminum Intercooler Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2001 LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2002 LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2003 LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2004 LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2004.5 LLY Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2005 LLY Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTube-Fin Intercooler Key Features\u003c\/h2\u003e\n\u003cul class=\"ng-star-inserted\"\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eRadiator-Friendly \"Slim\" Design\u003c\/span\u003e\u003c\/strong\u003e\u003cbr class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe Duramax LLY is notorious for overheating while towing. Installing an overly thick intercooler often makes this problem worse by blocking the radiator. Our 40mm Tube-Fin core is designed to be \"transparent\" to airflow, ensuring your engine fan and radiator get the cool air they need to prevent coolant temperature spikes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePermanent Leak Fix\u003c\/span\u003e\u003c\/strong\u003e\u003cbr class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eThe stock intercooler uses plastic tanks crimped to the core, which weaken and leak over 20+ years of service. Boost leaks cause high EGTs and power loss. The SPELAB unit features\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003esolid aluminum end tanks welded to the core\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"ng-star-inserted\"\u003e, providing a leak-proof seal that will outlast the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eFast Heat Shedding\u003c\/span\u003e\u003c\/strong\u003e\u003cbr class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTube-Fin construction excels at shedding heat quickly. In stop-and-go traffic or variable load driving, this core recovers from heat soak much faster than heavy bar-and-plate units, keeping your intake temps consistent.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ng-star-inserted\"\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cstrong class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDirect Fit Restoration\u003c\/span\u003e\u003c\/strong\u003e\u003cbr class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eDesigned as a direct drop-in replacement. It fits perfectly in the stock location without modification, making it the ideal choice for truck owners looking to refresh their aging cooling system with upgraded materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 153.156px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.5938px;\"\u003e\n\u003ctd style=\"width: 33.574%; height: 35.5938px;\"\u003e\n\u003cp\u003eCore Thickness (Tube-Fin)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 66.065%; height: 35.5938px;\"\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.574%; height: 19.5938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 66.065%; height: 19.5938px;\"\u003eFull aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.574%; height: 19.5938px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 66.065%; height: 19.5938px;\"\u003e12.76 kg (28.1 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.574%; height: 19.5938px;\"\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 66.065%; height: 19.5938px;\"\u003e120.5 × 25.5 × 66 cm (47.4\" × 10.0\" × 25.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.574%; height: 19.5938px;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"width: 66.065%; height: 19.5938px;\"\u003e\u003cspan\u003eDirect Bolt-On\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003ch2\u003eLB7\/LLY Duramax Tube-Fin Intercooler FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the core 40mm thick?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We maintained a slim profile to ensure maximum airflow reaches the radiator. This is crucial for the 2001-2005 Duramax trucks, which are prone to running hot if the cooling stack is obstructed by a thick aftermarket intercooler.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fix my boost leak?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If your leak is coming from the factory plastic end tanks (a very common issue), yes. Our all-aluminum welded design permanently eliminates the risk of tank separation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an upgrade over stock?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, in terms of Reliability. While it flows similarly to stock, the switch from plastic-crimped to welded aluminum makes it significantly more durable and capable of holding boost pressure without leaking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should I buy the Bar-and-Plate version instead?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If you have a highly modified truck (larger turbos, built engine) and need maximum charge cooling regardless of radiator airflow, consider the Bar-and-Plate. For daily driving, towing, and keeping engine water temps low, this Tube-Fin model is the safer, smarter choice.\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":"Default Title","offer_id":52623989080376,"sku":"SPCS08014SR","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/01_1_05d4d571-2777-4579-bfba-28a9c5e2af07.jpg?v=1783575848"},{"product_id":"intercooler-bar-and-plate-2001-2005-lly-lb7-chevrolet-gmc-sierra-2500hd-3500hd-6-6l-duramax-spelab","title":"Intercooler Bar and Plate - 2001-2005 LLY LB7 Chevrolet\/GMC Sierra 2500HD 3500HD 6.6L Duramax | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch2\u003eLB7\/LLY Duramax Bar-and-Plate Intercooler Overview\u003c\/h2\u003e\n\u003cp\u003eThe 2001-2005 Duramax LB7 and LLY are legendary workhorses, but after two decades of heat cycles, their factory intercoolers are living on borrowed time. The OEM plastic end tanks become brittle and are notorious for cracking under pressure, causing massive boost leaks, loss of power, and dangerously high Exhaust Gas Temperatures (EGTs).\u003c\/p\u003e\n\u003cp\u003eRestore and upgrade your classic Duramax with the SPELAB Heavy-Duty Bar-and-Plate Intercooler. We engineered this unit to eliminate factory weak points by utilizing indestructible \u003cstrong\u003eCast Aluminum End Tanks\u003c\/strong\u003e and a high-density \u003cstrong\u003e2.05-inch Bar-and-Plate core\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis competition-grade construction provides a massive increase in cooling volume and thermal mass, dramatically lowering your Intake Air Temperatures (IATs). Crucially for the heat-prone LLY engines, this optimized core density delivers maximum charge-air cooling without starving your radiator of ambient airflow. Whether you are towing heavy, running upgraded tunes, or simply bulletproofing your high-mileage truck, this intercooler is built to handle 100+ PSI and last a lifetime.\u003c\/p\u003e\n\u003ch2\u003eBar-and-Plate Intercooler Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2001 Chevrolet\/GMC Sierra 2500HD 3500HD LB7 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet\/GMC Sierra 2500HD 3500HD LB7 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet\/GMC Sierra 2500HD 3500HD LB7 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet\/GMC Sierra 2500HD 3500HD LB7 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2004.5 Chevrolet\/GMC Sierra 2500HD 3500HD LLY 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2005 Chevrolet\/GMC Sierra 2500HD 3500HD LLY 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeavy-Duty Intercooler Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndestructible Cast Aluminum End Tanks\u003c\/strong\u003e\u003cbr\u003eStop trusting 20-year-old plastic. We replaced the fragile factory design with solid Cast Aluminum tanks. Aerodynamically designed for maximum internal airflow, these tanks provide the ultimate structural integrity, ensuring your intercooler will never balloon or blow apart under extreme boost.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density 2.05\" Bar-and-Plate Core\u003c\/strong\u003e\u003cbr\u003eMeasuring an impressive 38.27 inches in length, this heavy-duty bar-and-plate core acts as a massive thermal sponge. It easily absorbs the extreme heat generated during intense towing or dyno pulls, significantly outperforming the thin factory tube-and-fin cooler.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized for LLY Cooling Stacks\u003c\/strong\u003e\u003cbr\u003eThe LLY is notorious for overheating when towing. We optimized our core thickness (2.05\") to provide massive charge-air cooling capabilities without acting as a brick wall that blocks ambient air from reaching your radiator. It’s the perfect balance for EGT reduction and safe engine coolant temps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReduced Pressure Drop \u0026amp; Faster Spool\u003c\/strong\u003e\u003cbr\u003eBy upgrading the core volume and smoothing the airflow through cast tanks, your turbo doesn't have to work as hard to hit target boost. This reduces turbo strain, improves efficiency, and sharpens throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePremium T-Bolt Clamps Included\u003c\/strong\u003e\u003cbr\u003eTo ensure your connections stay tight under high boost, we include premium constant-tension T-bolt clamps for a secure, leak-free installation at the intercooler joints.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Intercooler - 2008-2010 Ford 6.4L Powerstroke | SPELAB-98\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/2_02.webp?v=1695361629\"\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 195.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eCore Type\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003eHeavy-Duty Bar-and-Plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eEnd Tank Material\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003eCast Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eCore Thickness\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003e2.05 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eCore Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003e38.27\" L x 18.86\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eOverall Dimensions\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003e45.6\" L x 23.4\" H x 8.2\" W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eInlet \/ Outlet Size\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003e3.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 39.5307%; height: 19.5938px;\"\u003eMax Boost Rating\u003c\/td\u003e\n\u003ctd style=\"width: 60.1083%; height: 19.5938px;\"\u003e100+ PSI Capable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg alt=\"Intercooler bar plate - 2008-2010 Ford 6.4L Powerstroke F250 F350 F450 F550 | SPELAB-88\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0174\/0609\/9556\/files\/SPELAB_Intercooler_064c5dec-6ab0-4ce1-ba81-934977a01774.jpg?v=1722245685\"\u003e\u003c\/p\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003ch2\u003eLB7\/LLY Bar-and-Plate Intercooler FAQs\u003c\/h2\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fit both LB7 and LLY engines?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is a direct bolt-on replacement for both 2001-2004 LB7 and 2004.5-2005 LLY Duramax trucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why do I need Cast Aluminum tanks for my older Duramax?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Over the last 20 years, the factory plastic end tanks have become brittle from continuous engine heat. When you add towing weight or aftermarket tuning (higher boost), they will crack. Cast aluminum provides a permanent, leak-proof solution that holds 100+ PSI safely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Bar-and-Plate design better for towing with my LLY?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Bar-and-plate cores have a higher \"thermal mass,\" meaning they can absorb more heat during a long uphill pull compared to a tube-and-fin design. This translates directly to lower Exhaust Gas Temperatures (EGTs) and a safer towing experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this intercooler require any cutting or modification to install?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. It is precision-engineered to install easily into the factory mounting locations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are intercooler pipes or boots included?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This package includes the heavy-duty intercooler and premium T-bolt connection clamps. Upgraded intercooler piping and silicone boots are sold separately.\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":"Bar-and-plate","offer_id":52623994093880,"sku":"SPCS08014","price":699.0,"currency_code":"USD","in_stock":true},{"title":"Tube-Fin","offer_id":52623994126648,"sku":"SPCS08014SR","price":439.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/IntercoolerBarandPlate-2001-2005LLYLB7ChevroletGMCSierra2500HD3500HD6.6LDuramaxSPELAB_2.jpg?v=1783575954"},{"product_id":"exhaust-up-pipe-for-2001-2016-6-6l-chevrolet-chevy-gmc-duramax-lb7-lly-lbz-lmm-lml-spelab","title":"Exhaust Up-Pipe for 2001-2016 6.6L Chevrolet Chevy GMC Duramax LB7 LLY LBZ LMM LML | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch3\u003eUp-pipes and down-pipes – what do they do?\u003c\/h3\u003e\n\u003cp\u003eUp-pipe is a piping that connects the exhaust manifold with the turbo. Exhaust gases enter the turbo from the up-pipe. Down-pipe is a piping that connects the turbo with the rest of the exhaust pipe. Exhaust gases leave the turbo from the down-pipe. For those looking to enhance their Duramax's performance, consider our \u003cstrong\u003eLML delete kit\u003c\/strong\u003e and \u003cstrong\u003eDuramax delete kit\u003c\/strong\u003e for optimal results.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEliminates Leaks - Deletes failure-prone OEM flex joint for a permanent seal.\u003c\/li\u003e\n\u003cli\u003eFaster Turbo Spool - Improves exhaust flow to reduce lag and increase throttle response.\u003c\/li\u003e\n\u003cli\u003eDurable Stainless - Mandrel-bent construction resists heat and corrosion.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2001-2004 Chevrolet GMC LB7 6.6L Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e2004.5-2005 Chevrolet GMC LLY 6.6L Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e2006-2007 Chevrolet GMC LBZ 6.6L Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e2007.5-2010 Chevrolet GMC LMM 6.6L Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e2011-2016 Chevrolet GMC LML 6.6L Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot compatible with LGH Duramax Equipped Express or Savana models. \u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the function of an up-pipe in a Duramax engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The up-pipe connects the exhaust manifold to the turbocharger, allowing exhaust gases to enter the turbo and generate boost for improved performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is this LB7 up-pipe compatible with my 2001-2004 Duramax?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: Yes, this up-pipe is specifically designed for 2001-2004 LB7 6.6L Duramax engines in Chevrolet and GMC trucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Will this LBZ up-pipe work with my 2006-2007 Duramax?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Yes, this LBZ up-pipe is a direct replacement for 2006-2007 Chevrolet\/GMC LBZ 6.6L Duramax engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does this LML up-pipe fit 2011-2016 Duramax models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Yes, the LML up-pipe is designed to fit 2011-2016 Duramax trucks but is not compatible with LGH Duramax models in Express or Savana vans.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Is this LLY up-pipe a direct bolt-on replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Yes, the LLY up-pipe fits 2004.5-2005 Chevrolet\/GMC LLY 6.6L Duramax and installs directly in place of the stock pipe with no modifications required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: What material is the SPELAB up-pipe made of?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA6: The SPELAB up-pipe is made from high-quality stainless steel with a durable black coating for corrosion resistance and long-term performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7: Does this up-pipe include gaskets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA7: Yes, this Duramax up-pipe comes with high-quality gaskets for a secure and leak-free installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8: What are the benefits of upgrading my stock Duramax up-pipe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA8: Upgrading to a performance up-pipe improves exhaust flow, reduces turbo lag, enhances boost response, and increases overall engine efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ9: Can I use this LML up-pipe with a Duramax delete kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA9: Yes, this up-pipe works well with LML delete kits and other Duramax performance upgrades for improved exhaust flow and power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ10: How difficult is the installation of this Duramax up-pipe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA10: Installation requires mechanical expertise and may take a few hours. Professional installation is recommended for best results.\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":"2001-2016 Dual Side","offer_id":52623996911928,"sku":"SPES08504","price":159.99,"currency_code":"USD","in_stock":true},{"title":"2004.5-2010 Passenger Side\/Black\/DP","offer_id":52623996944696,"sku":"SPES08508","price":209.99,"currency_code":"USD","in_stock":true},{"title":"2001-2016 Passenger Side","offer_id":52623996977464,"sku":"SPES08315","price":109.0,"currency_code":"USD","in_stock":true},{"title":"2001-2016 Passenger Side\/Black","offer_id":52623997010232,"sku":"SPES08503","price":99.99,"currency_code":"USD","in_stock":true},{"title":"2001-2016 Driver Side","offer_id":52623997043000,"sku":"SPES08099","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/ExhaustUp-Pipefor2001-20166.6LChevroletChevyGMCDuramaxLB7LLYLBZLMMLMLSPELAB_1.jpg?v=1783576045"},{"product_id":"dsp5-sotf-switch-for-efi-live-tuning-2001-2004-lb7-6-6l-duramax-spelab","title":"DSP5 SOTF Switch for EFI Live Tuning 2001-2004 LB7 6.6L Duramax | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eUnlock the full potential of your 2001–2004 LB7 Duramax with our high-performance SOTF Switch. Designed for seamless integration with EFI Live's DSP5 tuning system, this switch allows drivers to toggle between five custom-tuned programs in real time—without needing to reflash through the OBD2 port. Crafted with premium materials like a knurled aluminum knob and high-temperature wiring, this switch is built to endure the heat and demands of your engine bay while offering smooth and reliable tuning transitions from the comfort of your cab.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"843\" data-end=\"971\"\u003e\n\u003cstrong data-start=\"843\" data-end=\"871\"\u003eReal-Time Tuning Control\u003c\/strong\u003e: Instantly switch between up to five EFI Live tunes on the fly—no need to reprogram through OBD2.\u003c\/li\u003e\n\u003cli data-start=\"974\" data-end=\"1102\"\u003e\n\u003cstrong data-start=\"974\" data-end=\"999\"\u003ePremium Build Quality\u003c\/strong\u003e: Aluminum knurled knob for durability and grip, with heat-resistant wires and split loom protection.\u003c\/li\u003e\n\u003cli data-start=\"1105\" data-end=\"1231\"\u003e\n\u003cstrong data-start=\"1105\" data-end=\"1137\"\u003eStraightforward Installation\u003c\/strong\u003e: Designed for DIY or professional install with included wiring guide and color-coded leads.\u003c\/li\u003e\n\u003cli data-start=\"1234\" data-end=\"1362\"\u003e\n\u003cstrong data-start=\"1234\" data-end=\"1256\"\u003eHigh Compatibility\u003c\/strong\u003e: Specifically designed for 2001–2004 LB7 Duramax engines and fully compatible with EFI Live DSP5 tunes.\u003c\/li\u003e\n\u003cli data-start=\"1365\" data-end=\"1478\"\u003e\n\u003cstrong data-start=\"1365\" data-end=\"1390\"\u003eDriver-Centric Design\u003c\/strong\u003e: Mounts conveniently inside the cabin—in dashboards, switch panels, or center consoles.\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\" data-start=\"1365\" data-end=\"1478\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eNOTE: Your vehicle must be preloaded with an EFI Live DSP5 tune that supports multiple maps.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9972%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003eInstallation Locations\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003e\u003cspan\u003eMount inside cabin: dashboard, switch panel, or center console.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 34.8447%;\"\u003eWire Connection\u003c\/td\u003e\n\u003ctd style=\"width: 64.7895%;\"\u003eBlue wire to ECM Pin 69\n\u003cp\u003eBlack wire to ECM Pin 49\u003cbr\u003eWires route through driver-side firewall grommet\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEconomy\u003c\/td\u003e\n\u003ctd\u003eDaily driving, saving fuel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Tow\u003c\/td\u003e\n\u003ctd\u003eSmall trailers, balanced power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeavy Tow\u003c\/td\u003e\n\u003ctd\u003eBig loads, max torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003ctd\u003eFast acceleration, highway driving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRace\u003c\/td\u003e\n\u003ctd\u003eTrack days, ultimate power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2001–2004 Chevrolet Silverado 2500HD \/ 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2001–2004 GMC Sierra 2500HD \/ 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab FAQ---\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need custom tuning to use this switch?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Your vehicle must be preloaded with an EFI Live DSP5 tune that supports multiple maps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this switch myself?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, if you're familiar with vehicle electronics. We provide detailed wiring instructions, but professional installation is recommended for beginners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where should I mount the switch?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It can be mounted in the cabin—commonly on the dashboard, switch panel, or center console.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this switch require any software?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No additional software is needed, but a DSP5 tune must already be installed via EFI Live.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this work on a 2005 Duramax?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it is specifically designed for 2001–2004 LB7 Duramax engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many tune positions can I switch between?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Up to five custom tune positions can be accessed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if the switch fails?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e If the switch malfunctions, the ECM may default to one tune or be unable to switch—replacement is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the kit include a mounting bracket?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The kit does not include a bracket; a small hole may need to be drilled for mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this switch legal for street use?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This product is intended for off-road use only. Please check your local emissions and modification laws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the wires pre-labeled for installation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The blue and black wires are color-coded for easy identification during install.\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":"Default Title","offer_id":52624003596600,"sku":"SPEP13-00007BB-000-W","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/1_adffe11f-4413-453d-8eea-7a0d701de11b.webp?v=1783576201"},{"product_id":"exhaust-manifold-for-2001-2016-lb7-lly-lbz-lmm-lml-gm-6-6l-duramax-spelab","title":"Exhaust Manifold for 2001–2016 LB7 LLY LBZ LMM LML GM 6.6L Duramax | SPELAB","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor 2WD 2001–2016 LB7–LML Duramax trucks fighting ticking leaks, soot marks, slow spool, or high EGTs under load, SPELAB high-flow cast iron manifold replaces restrictive stock hardware to restore turbo drive, handle diesel heat, and support towing or turbo-upgrade builds without custom-fab cost.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SPELAB High-Flow Exhaust Manifold is engineered for 2001–2016 GM 6.6L Duramax 2WD trucks (LB7\/LLY\/LBZ\/LMM\/LML platforms). Built from heavy-duty cast iron with a high-durability heat coating, it withstands heavy thermal cycling and high-load driving. By optimizing exhaust flow and boosting turbo response, this manifold is the ideal upgrade for demanding diesel workloads like towing, hauling, performance builds, and off-road racing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e This manifold fits compatible \u003cstrong\u003e2WD only\u003c\/strong\u003e 2001–2016 GM 6.6L Duramax applications listed below. It is commonly used in performance, race, off-road, and EGR-deleted configurations where permitted by law. Please confirm your engine generation, drivetrain, turbo setup, EGR configuration, and local regulations before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Upgrade Your Duramax Exhaust Manifold?\u003c\/h2\u003e\n\u003cp\u003eA Duramax diesel exhaust manifold has a harder job than a normal gasoline engine manifold. It must move high-volume exhaust flow toward the turbocharger while surviving repeated heat cycles, boost pressure, heavy towing, and long-duration load. When the stock manifold becomes restrictive, cracked, warped, or mismatched to a performance setup, it can affect turbo response, exhaust backpressure, and exhaust gas temperature control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for compatible 2001–2016 GM 6.6L Duramax LB7, LLY, LBZ, LMM, and LML applications\u003c\/li\u003e\n\u003cli\u003eFits 2WD models only according to the listed fitment note\u003c\/li\u003e\n\u003cli\u003eHigh-flow internal design helps support smoother exhaust movement toward the turbocharger\u003c\/li\u003e\n\u003cli\u003eCan support quicker turbo spool potential when paired with the right turbo and supporting modifications\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron construction is built for diesel heat, boost, and high-load operation\u003c\/li\u003e\n\u003cli\u003eSuitable for performance builds, turbo upgrades, race-use setups, and off-road applications where permitted by law\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuilt for Duramax Owners Who Work Their Trucks Hard\u003c\/h2\u003e\n\u003cp\u003eThis manifold is built for diesel owners who ask more from their trucks than simple daily commuting. A Duramax truck may spend its life pulling trailers, hauling equipment, climbing grades, running long highway miles, or supporting a performance build. In those conditions, exhaust flow and heat control are not just performance talking points—they directly affect how the turbocharger responds and how confidently the truck handles load.\u003c\/p\u003e\n\u003cp\u003eLB7, LLY, LBZ, LMM, and LML owners often approach upgrades differently. Some are refreshing an older work truck. Some are supporting a turbo upgrade. Some are building a race-use or off-road-only setup. Others are trying to reduce restriction and improve the way the truck responds under load. This SPELAB manifold is designed for that diesel-focused use case, not for light-duty gas-engine repair.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes This Duramax Application Different?\u003c\/h2\u003e\n\u003cp\u003eThis is not a shiny universal header for a small gas engine. It is a cast-iron diesel exhaust manifold built for GM 6.6L Duramax platforms where heat, torque, turbo drive pressure, and towing load matter. A Duramax manifold has to survive high exhaust temperatures and repeated boost events while maintaining sealing and flow.\u003c\/p\u003e\n\u003cp\u003eFor many Duramax owners, the goal is not just louder exhaust sound. The real goal is better turbo efficiency potential, reduced restriction, stronger high-load breathing, and a manifold that can support demanding diesel use. That is why this product is best matched with owners who understand turbocharged diesel systems, EGT monitoring, tuning, and emissions compliance requirements.\u003c\/p\u003e\n\u003ch2\u003eKey Features and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuramax Engine Coverage:\u003c\/strong\u003e Designed for compatible LB7, LLY, LBZ, LMM, and LML 6.6L Duramax applications from 2001–2016.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2WD Fitment:\u003c\/strong\u003e Built for compatible two-wheel-drive models only according to the listed application notes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Exhaust Design:\u003c\/strong\u003e Optimized internal runners help reduce exhaust restriction and support smoother exhaust gas evacuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo Spool Support:\u003c\/strong\u003e More efficient exhaust routing can help deliver exhaust energy to the turbine more effectively when used with the right setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Cast Iron Construction:\u003c\/strong\u003e Built for long-term heat resistance, durability, and high-boost diesel operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Resistant Coating:\u003c\/strong\u003e High-durability coating helps support long-term use in harsh exhaust environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Build Friendly:\u003c\/strong\u003e Suitable for trucks running upgraded turbos, high-flow downpipes, aftermarket tuning, or race\/off-road configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEGT Management Support:\u003c\/strong\u003e Improved exhaust flow can help reduce backpressure and may contribute to better exhaust gas temperature control depending on the full setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStock Manifold vs. SPELAB High-Flow Manifold vs. Custom Race Setup\u003c\/h2\u003e\n\u003cp\u003eDuramax owners usually fall into different build paths. Some need a basic replacement for a stock truck, some need a stronger manifold for towing and performance upgrades, and others are building full custom race setups. The SPELAB Duramax exhaust manifold is positioned as a heavy-duty high-flow option for owners who need more than a basic repair part but do not want to jump directly into a fully custom fabricated setup.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003cth\u003eMain Advantage\u003c\/th\u003e\n\u003cth\u003eLimitations\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory-Style Exhaust Manifold\u003c\/td\u003e\n\u003ctd\u003eStock repairs and factory-style replacement\u003c\/td\u003e\n\u003ctd\u003eSimple replacement for stock trucks\u003c\/td\u003e\n\u003ctd\u003eMay be more restrictive for turbo upgrades, race setups, or higher-flow diesel builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPELAB High-Flow Cast Iron Manifold\u003c\/td\u003e\n\u003ctd\u003e2WD Duramax owners running towing, performance, turbo-upgrade, race-use, or off-road setups\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty cast iron construction, high-flow design, turbo spool support, and heat-resistant coating\u003c\/td\u003e\n\u003ctd\u003eDesigned for 2WD applications only and may require EGR\/emissions configuration confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustom Race Exhaust Setup\u003c\/td\u003e\n\u003ctd\u003eCompetition trucks, custom turbo systems, and high-budget diesel builds\u003c\/td\u003e\n\u003ctd\u003eCan be built around a specific turbocharger, power goal, and exhaust layout\u003c\/td\u003e\n\u003ctd\u003eUsually costs more, may require fabrication, and may be unnecessary for many towing or street\/strip diesel builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eBottom Line:\u003c\/strong\u003e For many 2WD Duramax owners, SPELAB offers a practical high-flow cast iron manifold option for supporting turbo response, exhaust flow, and heat resistance in demanding diesel applications.\u003c\/p\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2WD Duramax Builds:\u003c\/strong\u003e Designed for compatible two-wheel-drive 2001–2016 GM 6.6L Duramax applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTowing and Heavy-Load Use:\u003c\/strong\u003e A practical option for trucks that regularly pull trailers, haul equipment, or climb long grades under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo Upgrade Support:\u003c\/strong\u003e Useful for owners pairing the truck with upgraded turbos, high-flow downpipes, or supporting airflow modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLB7 to LML Performance Platforms:\u003c\/strong\u003e Covers multiple Duramax generations, from early LB7 work trucks to later LMM\/LML performance and race-use builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRace and Off-Road Applications:\u003c\/strong\u003e Suitable for EGR-deleted race\/off-road configurations where permitted by law.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExperienced Diesel DIY Owners and Shops:\u003c\/strong\u003e Best for installers familiar with Duramax exhaust hardware, turbo systems, EGT concerns, and emissions compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Fitment \u0026amp; Specs---\u003c\/p\u003e\n\u003ch2\u003eFitment for 2001–2016 GM 6.6L Duramax 2WD Applications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eDrivetrain\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLB7\u003c\/td\u003e\n\u003ctd\u003e2001–2004\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax\u003c\/td\u003e\n\u003ctd\u003e2WD Only\u003c\/td\u003e\n\u003ctd\u003eConfirm turbo, EGR, and exhaust configuration before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLLY\u003c\/td\u003e\n\u003ctd\u003e2004.5–2005\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax\u003c\/td\u003e\n\u003ctd\u003e2WD Only\u003c\/td\u003e\n\u003ctd\u003eConfirm turbo, EGR, and exhaust configuration before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLBZ\u003c\/td\u003e\n\u003ctd\u003e2006–2007\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax\u003c\/td\u003e\n\u003ctd\u003e2WD Only\u003c\/td\u003e\n\u003ctd\u003eConfirm turbo, EGR, and exhaust configuration before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLMM\u003c\/td\u003e\n\u003ctd\u003e2007.5–2010\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax\u003c\/td\u003e\n\u003ctd\u003e2WD Only\u003c\/td\u003e\n\u003ctd\u003eConfirm emissions and EGR configuration before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLML\u003c\/td\u003e\n\u003ctd\u003e2011–2016\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax\u003c\/td\u003e\n\u003ctd\u003e2WD Only\u003c\/td\u003e\n\u003ctd\u003eConfirm emissions and EGR configuration before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Fits compatible 2WD models only. Please confirm your exact truck year, Duramax engine code, drivetrain, turbocharger setup, EGR configuration, exhaust routing, and emissions equipment before ordering. Fitment can vary by model year, engine generation, previous modifications, turbo setup, and race\/off-road configuration.\u003c\/p\u003e\n\u003cp\u003eNeed options for other vehicle applications? Click to view more SPELAB \u003ca href=\"https:\/\/www.spelabautoparts.com\/collections\/exhaust-manifold\" title=\"Shop more exhaust manifold options at SPELAB\"\u003eexhaust manifold\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDuramax Exhaust Manifold Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPELAB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Racing Exhaust Manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2001–2016 GM 6.6L Duramax LB7, LLY, LBZ, LMM, LML\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain Fitment\u003c\/td\u003e\n\u003ctd\u003e2WD models only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Type\u003c\/td\u003e\n\u003ctd\u003eAutomobile Exhaust Manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e15.23 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eHigh-durability heat-resistant coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuild Focus\u003c\/td\u003e\n\u003ctd\u003eDuramax diesel performance, towing, turbo upgrade, race, and off-road applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation Notes for Duramax Diesel Owners\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for experienced DIY installation or professional installation, depending on your tools, diesel experience, turbo setup, and truck condition.\u003c\/li\u003e\n\u003cli\u003eConfirm that your truck is a compatible 2WD LB7, LLY, LBZ, LMM, or LML Duramax application before installation.\u003c\/li\u003e\n\u003cli\u003eConfirm stock or aftermarket turbocharger compatibility before removing the factory manifold.\u003c\/li\u003e\n\u003cli\u003eFor LMM and LML trucks, confirm EGR and emissions configuration before ordering or installation.\u003c\/li\u003e\n\u003cli\u003eOlder Duramax trucks may have rusted, seized, or heat-cycled exhaust hardware, so allow extra time for removal and preparation.\u003c\/li\u003e\n\u003cli\u003eInspect exhaust gaskets, up-pipes, downpipe connections, turbo flange surfaces, EGT sensor locations, and surrounding heat shields where applicable.\u003c\/li\u003e\n\u003cli\u003eUse proper torque procedures and follow factory service information where applicable.\u003c\/li\u003e\n\u003cli\u003eAlways allow the engine, turbocharger, and exhaust system to cool completely before removal or installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSymptoms of a Restrictive or Leaking Duramax Exhaust Manifold\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTicking or tapping noise near the exhaust manifold area\u003c\/li\u003e\n\u003cli\u003eVisible soot marks around the manifold, gasket, or up-pipe area\u003c\/li\u003e\n\u003cli\u003eExhaust smell near the engine bay\u003c\/li\u003e\n\u003cli\u003eSlower turbo response or weaker boost feel\u003c\/li\u003e\n\u003cli\u003eHigher exhaust gas temperatures under towing or heavy load\u003c\/li\u003e\n\u003cli\u003eReduced confidence when climbing grades or pulling trailers\u003c\/li\u003e\n\u003cli\u003eCracked, warped, or heat-damaged manifold surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Legal and Emissions Note\u003c\/h2\u003e\n\u003cp\u003eThis product may be used in race, off-road, or competition configurations where permitted by law. Some configurations may require EGR removal or may affect emissions-related equipment. It is not legal for emissions-controlled street use in many areas if it removes, disables, or modifies required emissions systems. Always check federal, state, provincial, and local regulations before installation or use.\u003c\/p\u003e\n\u003cp\u003e---tab FAQs \u0026amp; Policies---\u003c\/p\u003e\n\u003ch2\u003eFAQ About This Duramax Exhaust Manifold\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this manifold fit my 2006 LBZ Duramax?\u003c\/strong\u003e\u003cbr\u003eA: It is listed for compatible 2006–2007 6.6L LBZ Duramax 2WD applications. Please confirm your drivetrain, turbo setup, EGR configuration, and exhaust layout before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this fit 4WD Duramax trucks?\u003c\/strong\u003e\u003cbr\u003eA: No. According to the listed fitment note, this manifold fits 2WD models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fit my stock turbo?\u003c\/strong\u003e\u003cbr\u003eA: It is designed to support factory turbocharger applications as well as many aftermarket drop-in turbo upgrades, but turbo flange, up-pipe, and exhaust routing should always be confirmed before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this manifold suitable for daily driving?\u003c\/strong\u003e\u003cbr\u003eA: Fitment may be possible on compatible trucks, but the product is intended for performance, race, off-road, or competition applications because some configurations may affect emissions equipment. Always verify your local laws before use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this manifold require tuning after installation?\u003c\/strong\u003e\u003cbr\u003eA: A manifold-only installation does not always require tuning, but trucks with turbo upgrades, EGR-delete configurations, aftermarket exhaust systems, or performance tuning should be calibrated properly for safe and reliable operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this lower my EGTs?\u003c\/strong\u003e\u003cbr\u003eA: Improved exhaust flow can help reduce backpressure and may contribute to better EGT control, especially under load. Actual exhaust gas temperature changes depend on turbo setup, tuning, fueling, towing load, and overall engine condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this manifold support EGR systems?\u003c\/strong\u003e\u003cbr\u003eA: The listed product description indicates it is commonly used with open EGR-delete race setups. If your truck retains factory EGR equipment, confirm compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is modification required to install it?\u003c\/strong\u003e\u003cbr\u003eA: It is designed for compatible Duramax applications, but race setups, turbo upgrades, EGR-delete configurations, and older trucks with previous modifications may require adjustment, inspection, or supporting parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What material is used?\u003c\/strong\u003e\u003cbr\u003eA: This manifold is made from heavy-duty cast iron with a high-durability heat-resistant coating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will installing this improve turbo spool?\u003c\/strong\u003e\u003cbr\u003eA: The high-flow design is intended to support smoother exhaust delivery to the turbine, which can help turbo response depending on the turbocharger, tuning, fueling, and full exhaust setup. No fixed spool improvement is guaranteed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this manifold be used with aftermarket downpipes or up-pipes?\u003c\/strong\u003e\u003cbr\u003eA: It may be compatible with many aftermarket performance exhaust components, but up-pipe, downpipe, turbo, and EGR configuration should be confirmed before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this Duramax manifold myself?\u003c\/strong\u003e\u003cbr\u003eA: Experienced diesel DIY owners may be able to install it with the right tools, workspace, and preparation. Because Duramax exhaust hardware can be heat-cycled, rusted, or difficult to access, professional installation is often a practical choice for many owners.\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":"Default Title","offer_id":52624006283576,"sku":"SPBKW0005001","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/01_2fbd8cdf-0ab1-4a35-b554-c9a15321b469.jpg?v=1783576258"},{"product_id":"3-turbo-outlet-downpipe-exhaust-for-2001-2004-gmc-chevrolet-6-6l-duramax-lb7","title":"3″ Turbo Outlet Downpipe Exhaust for 2001-2004 GMC\/Chevrolet 6.6L Duramax LB7","description":"\u003cp\u003e---tab Description---\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 3″ Turbo Outlet Downpipe is a direct-fit upgrade for the 2001–2004 Chevrolet 6.6L LB7 Duramax. Engineered to replace the restrictive OEM pipe, it improves exhaust flow, lowers backpressure, and reduces EGT. Made from 201 stainless steel, its 3″ straight-through design boosts turbo response and efficiency. Installs easily using factory flanges—no welding or tuning needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003e3‑Inch Straight‑Through Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Provides 20‑25% more flow area than the stock flattened oval pipe, dramatically improving exhaust velocity and reducing turbo lag.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eLower EGT \u0026amp; Reduced Backpressure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Helps maintain cooler exhaust temperatures under heavy loads, ideal for towing and high‑demand driving.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eDirect OE Fitment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Uses factory flange dimensions and bolt holes for a straightforward, no‑weld installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eIncluded Heat Shield Wrap\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Minimizes radiant heat transfer to the engine bay, protecting wiring, brake lines, and firewall components.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eEnhanced Sound \u0026amp; Throttle Response\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Delivers a deeper, more aggressive exhaust tone while improving drivability and turbo spool character.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\n\u003cstrong\u003e\u003cspan\u003eNo Tuning Required\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Works with the stock ECU.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eFor off‑road\/competition use only. Not CARB or EPA certified.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e---tab Fitment---\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 Chevrolet Silverado 2500 HD 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 Chevrolet Silverado 3500 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 GMC Sierra 2500 HD 6.6L Duramax LB7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003e2001-2004 GMC Sierra 3500 6.6L Duramax LB7\u003c\/span\u003e\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":"Black","offer_id":52624006447416,"sku":"SPJN-EXS22-00041001","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/1_e9a3f4c1-808c-402b-8142-49a79c22d870.webp?v=1783576271"},{"product_id":"dry-sump-oil-line-kit-for-2001-2016-gm-6-6l-duramax-lb7-lly-lbz-lmm-lml","title":"Dry Sump Oil Line Kit For 2001-2016 GM 6.6L Duramax LB7\/LLY\/LBZ\/LMM\/LML","description":"\u003ch2\u003eDry Sump Oil Line Kit For 2001-2016 GM 6.6L Duramax LB7\/LLY\/LBZ\/LMM\/LML\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFitment：\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2011-2016 Chevy \/ GMC Duramax LML 6.6L\u003c\/li\u003e\n\u003cli\u003e2007.5-2010 Chevy \/ GMC Duramax LMM 6.6L\u003c\/li\u003e\n\u003cli\u003e2006-2007 Chevy \/ GMC Duramax LBZ 6.6L \u003c\/li\u003e\n\u003cli\u003e2004.5-2005 Chevy \/ GMC Duramax LLY 6.6L\u003c\/li\u003e\n\u003cli\u003e2001-2004 Chevy \/ GMC Duramax LB7 6.6L \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the SPELAB 5 Stage Steel Gear Oil Pump, oil supply from the pan to the pump is efficiently managed through this hose kit. Featuring high-quality -12AN fittings and durable stainless braided hose lines, the kit is designed to endure high pressures and harsh conditions.\u003c\/p\u003e","brand":"SPELAB","offers":[{"title":"Black","offer_id":52624007889208,"sku":"SPOS08886BK","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3069\/2152\/files\/01_6093f350-42ef-4735-9c20-a2839b01dc87.webp?v=1783576341"}],"url":"https:\/\/bsdptuning.com\/collections\/2001-2004-lb7-duramax.oembed","provider":"BSDP Tuning","version":"1.0","type":"link"}