{"product_id":"gm-duramax-l5p-3-5-inch-down-pipe-2017-2023","title":"6.6L Duramax L5P Downpipe | 2017-2026 Silverado SIerra 2500\/3500 HD","description":"\u003cdiv class=\"content-wrapper\"\u003e\n\u003cdiv class=\"content-section\"\u003e\n\u003ch2\u003eGM Duramax L5P 3.5\" Down-pipe (2017–2026)\u003c\/h2\u003e\n\u003cp\u003eThe GM Duramax L5P 3.5\" Down-pipe is made for Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L Duramax L5P engine.\u003c\/p\u003e\n\u003cp\u003eThis L5P downpipe replaces the factory unit with a 3.5 inch pipe to improve exhaust flow and reduce backpressure. It completely removes the factory L5P DOC (diesel oxidation catalyst), allowing exhaust to exit the turbo more freely and reducing restriction in the exhaust system.\u003c\/p\u003e\n\u003cp\u003eBuilt to follow OEM routing, it installs as a direct bolt-on with proper clearance and alignment. Intended for diesel truck owners and mechanics looking for a correctly sized downpipe designed specifically for the L5P platform.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content-section\"\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eYears:\u003c\/strong\u003e 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 \u003cbr\u003e\u003cstrong\u003eMake:\u003c\/strong\u003e Chevrolet, GMC \u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Silverado 2500HD, Silverado 3500HD, Sierra 2500HD, Sierra 3500HD \u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e 6.6L Duramax Turbo Diesel (L5P) \u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content-section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 3.5\" T409 Stainless Steel Construction\u003c\/li\u003e\n\u003cli\u003eEnhanced Flow Efficiency (20% better than stock)\u003c\/li\u003e\n\u003cli\u003eIncluded Heat Wrap for Optimal Temperature Control\u003c\/li\u003e\n\u003cli\u003eImproved Heat Retention for Longevity\u003c\/li\u003e\n\u003cli\u003eRemoves emissions equipment\u003c\/li\u003e\n\u003cli\u003eIdeal for High-Performance Applications\u003c\/li\u003e\n\u003cli\u003eSecure 4-Bolt Flange Design with Two Installed Studs\u003c\/li\u003e\n\u003cli\u003eComplete DOC Elimination for Maximum Results\u003c\/li\u003e\n\u003cli\u003eMay Require Minor Adjustments for 2020+ Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"callout-section\"\u003e\n\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Duramax L5P downpipe upgrade is intended for off-road use only and necessitates custom tuning for optimal performance.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Black Bandit","offers":[{"title":"Default Title","offer_id":41691017576544,"sku":"EP-GM-L5P-DP-DPF","price":357.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/7973\/7696\/files\/black-bandit-delete-pipe-gm-duramax-l5p-3-5-down-pipe-2017-2023-3-5-down-pipe-for-gm-duramax-l5p-2017-2024-44135074463995.webp?v=1764111294","url":"https:\/\/checkout.dpfdelete.com\/products\/gm-duramax-l5p-3-5-inch-down-pipe-2017-2023","provider":"DPF Delete","version":"1.0","type":"link"}