{"product_id":"exhaust-manifold-header-fit-for-chevy-3-5-17-20-6-6l-l5p","title":"Exhaust ManChevy\/GMC Duramax L5P Up-Pipes","description":"\u003cp data-end=\"503\" data-start=\"349\"\u003eUpgrade your Duramax L5P with high-flow stainless steel up-pipes. Increased exhaust flow, lower EGT, and a robust design to withstand high temperatures and pressures.\u003c\/p\u003e\n\u003chr data-end=\"508\" data-start=\"505\"\u003e\n\u003cp data-end=\"794\" data-start=\"540\"\u003eThese upgraded up-pipes are a direct replacement for the OEM ones on Chevy Silverado and GMC Sierra 2500HD\/3500HD 6.6L L5P (2017–2021). Built from stainless steel with internally reinforced bellows, they provide significantly improved durability and increased exhaust flow.\u003c\/p\u003e\n\u003cp data-end=\"953\" data-start=\"796\"\u003eThe result is lower exhaust gas temperatures (EGT), better response, and reliable operation even under heavy loads – perfect for both towing and performance tuning.\u003c\/p\u003e\n\u003cp data-end=\"977\" data-start=\"955\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"977\" data-start=\"955\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMaterial: Stainless steel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1174\" data-start=\"1143\"\u003eDesign: OEM length, high-flow\u003c\/p\u003e\n\u003cp data-end=\"1174\" data-start=\"1143\"\u003eFunction: Lowers EGT, increases flow, withstands high pressure and temperature\u003c\/p\u003e\n\u003cp data-end=\"989\" data-start=\"980\"\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1052\" data-start=\"994\"\u003e2017–2021 Chevy Silverado 2500HD\/3500HD 6.6L Duramax L5P\u003c\/p\u003e\n\u003cp data-end=\"1110\" data-start=\"1057\"\u003e2017–2021 GMC Sierra 2500HD\/3500HD 6.6L Duramax L5P\u003c\/p\u003e\n\u003cp data-end=\"1271\" data-start=\"1256\"\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eImproved exhaust flow and performance\u003c\/p\u003e\n\u003cp data-end=\"1333\" data-start=\"1304\"\u003eLowers EGT under load\u003c\/p\u003e\n\u003cp data-end=\"1375\" data-start=\"1336\"\u003eStainless steel construction for long life\u003c\/p\u003e\n\u003cp data-end=\"1426\" data-start=\"1378\"\u003eDirect bolt-on replacement, easy installation\u003c\/p\u003e","brand":"Sjaina","offers":[{"title":"Silver","offer_id":42384594370673,"sku":"CJQT243765201AZ","price":4599.0,"currency_code":"NOK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/4540\/9649\/files\/ae51ce31-acf9-4663-a424-76dc91e60146.jpg?v=1758138182","url":"https:\/\/sjaina.no\/en\/products\/exhaust-manifold-header-fit-for-chevy-3-5-17-20-6-6l-l5p","provider":"Sjaina.no","version":"1.0","type":"link"}