{"product_id":"dieselr-corp-6-6l-l5p-duramax-4-exhaust-downpipe-back-2017-2019","title":"DIESELR Corp - 6.6L L5P Duramax 4\" Exhaust Downpipe Back (2017-2019)","description":"\u003cp data-start=\"756\" data-end=\"1098\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"760\" data-end=\"805\"\u003eDIESELR Downpipe Back Exhaust L5P Duramax\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem is designed for serious diesel owners who demand performance, durability, and fitment precision. Built for 2017–2019 GM 2500\/3500 HD trucks with the 6.6L L5P engine, this system replaces everything from the downpipe back—maximizing flow and eliminating restrictions without compromise.\u003c\/p\u003e\n\u003cp data-start=\"1100\" data-end=\"1378\"\u003eCrafted from\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1113\" data-end=\"1148\"\u003eheavy-duty T409 stainless steel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand mandrel-bent for smooth airflow, this system is built to withstand high temps, road salt, and heavy towing use. It’s the go-to choice for Duramax owners looking to improve throttle response, lower EGTs, and boost performance.\u003c\/p\u003e\n\u003chr data-start=\"1380\" data-end=\"1383\"\u003e\n\u003ch3 data-start=\"1385\" data-end=\"1404\"\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"1385\" data-end=\"1404\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1408\" data-end=\"1496\"\u003e\n\u003cstrong data-start=\"1408\" data-end=\"1446\"\u003eMandrel-Bent T409 Stainless Steel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eResists corrosion, cracks, and high-heat stress\u003c\/li\u003e\n\u003cli data-start=\"1499\" data-end=\"1581\"\u003e\n\u003cstrong data-start=\"1499\" data-end=\"1533\"\u003eOEM-Style 4-Bolt Turbo Flange:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFits stock turbo configuration without hassle\u003c\/li\u003e\n\u003cli data-start=\"1584\" data-end=\"1669\"\u003e\n\u003cstrong data-start=\"1584\" data-end=\"1597\"\u003eNo Bungs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eClean design, ideal for custom sensor setups or fully off-road builds\u003c\/li\u003e\n\u003cli data-start=\"1672\" data-end=\"1757\"\u003e\n\u003cstrong data-start=\"1672\" data-end=\"1695\"\u003ePre-Welded Hangers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eContour-bent and reinforced for easy factory-style mounting\u003c\/li\u003e\n\u003cli data-start=\"1760\" data-end=\"1849\"\u003e\n\u003cstrong data-start=\"1760\" data-end=\"1782\"\u003eLeak-Free Sealing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-quality flanges and TorcTite® clamps for secure connections\u003c\/li\u003e\n\u003cli data-start=\"1852\" data-end=\"1923\"\u003e\n\u003cstrong data-start=\"1852\" data-end=\"1869\"\u003eSound \u0026amp; Flow:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDeeper exhaust note and improved exhaust evacuation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1925\" data-end=\"1928\"\u003e\n\u003ch3 data-start=\"1930\" data-end=\"1943\"\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"1930\" data-end=\"1943\"\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1947\" data-end=\"2115\"\u003eCompatible with:\u003cbr data-start=\"1963\" data-end=\"1966\"\u003e  ‣\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"1970\" data-end=\"2025\"\u003e2017–2019 GMC Sierra \u0026amp; Chevy Silverado 2500\/3500 HD\u003c\/strong\u003e\u003cbr data-start=\"2025\" data-end=\"2028\"\u003e  ‣\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2032\" data-end=\"2052\"\u003e6.6L Duramax L5P\u003c\/strong\u003e\u003cbr data-start=\"2052\" data-end=\"2055\"\u003e  ‣ Fits\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2064\" data-end=\"2086\"\u003eEC-CC\/SB-LB-Dually\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecab and bed configurations\u003c\/li\u003e\n\u003cli data-start=\"2118\" data-end=\"2165\"\u003eOEM-style\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2128\" data-end=\"2145\"\u003e4-bolt flange\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eat turbo required\u003c\/li\u003e\n\u003cli data-start=\"2168\" data-end=\"2228\"\u003e❌ Will not fit V-band turbo setups or non-OEM configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2230\" data-end=\"2233\"\u003e\n\u003ch3 data-start=\"2235\" data-end=\"2262\"\u003e\u003c\/h3\u003e\n\u003ch3 data-start=\"2235\" data-end=\"2262\"\u003eEmissions Disclaimer\u003c\/h3\u003e\n\u003cp data-start=\"2264\" data-end=\"2541\"\u003eThis\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2269\" data-end=\"2306\"\u003edownpipe back exhaust L5P Duramax\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem is intended\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2326\" data-end=\"2351\"\u003efor off-road use only\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"2356\" data-end=\"2387\"\u003erequires aftermarket tuning\u003c\/strong\u003e. Installation on emission-controlled vehicles may violate local, state, or federal regulations. Please confirm legality in your region before purchasing.\u003c\/p\u003e","brand":"Boost Bros Performance","offers":[{"title":"Default Title","offer_id":46572909527196,"sku":"255-01401","price":556.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/7341\/4812\/files\/1_b61843b9-85ed-45f1-868c-1cd33361f146.png?v=1774583494","url":"https:\/\/www.boostbrosperformance.com\/products\/dieselr-corp-6-6l-l5p-duramax-4-exhaust-downpipe-back-2017-2019","provider":"Boost Bros Performance","version":"1.0","type":"link"}