{"product_id":"2017-2026-duramax-l5p-high-flow-exhaust-manifold-pair","title":"2017–2026 Duramax L5P High Flow Exhaust Manifold Pair","description":"\u003ch2 data-start=\"167\" data-end=\"240\"\u003eL5P Dieselr High Flow Exhaust Manifold Set \u003c\/h2\u003e\n\u003cp data-start=\"241\" data-end=\"279\"\u003e\u003cstrong data-start=\"241\" data-end=\"279\"\u003eFits 2017–2024 GM 6.6L Duramax L5P\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"281\" data-end=\"564\"\u003eThe Dieselr High Flow Exhaust Manifold Set for the 2017–2024 Duramax L5P is built for trucks that see real heat, real load, and real abuse. It replaces the restrictive factory manifolds that are known to \u003cstrong data-start=\"485\" data-end=\"510\"\u003ecrack, warp, and leak\u003c\/strong\u003e over time—especially on tuned or hard-working trucks.\u003c\/p\u003e\n\u003cp data-start=\"566\" data-end=\"775\"\u003eEach manifold is \u003cstrong data-start=\"583\" data-end=\"638\"\u003eprecision-cast from thick-wall, heat-resistant iron\u003c\/strong\u003e and machined for a proper sealing surface. The result is a stronger, smoother exhaust path with improved flow and long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"777\" data-end=\"780\"\u003e\n\u003ch3 data-start=\"782\" data-end=\"813\"\u003ePerformance Driven Design\u003c\/h3\u003e\n\u003cul data-start=\"814\" data-end=\"1102\"\u003e\n\u003cli data-start=\"814\" data-end=\"854\"\u003e\n\u003cp data-start=\"816\" data-end=\"854\"\u003eSimplified, streamlined exhaust path\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"855\" data-end=\"922\"\u003e\n\u003cp data-start=\"857\" data-end=\"922\"\u003e\u003cstrong data-start=\"857\" data-end=\"888\"\u003eThick flange + runner walls\u003c\/strong\u003e to prevent cracking and burnout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"923\" data-end=\"987\"\u003e\n\u003cp data-start=\"925\" data-end=\"987\"\u003eOptimized flow for \u003cstrong data-start=\"944\" data-end=\"966\"\u003efaster turbo spool\u003c\/strong\u003e and \u003cstrong data-start=\"971\" data-end=\"985\"\u003elower EGTs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"988\" data-end=\"1038\"\u003e\n\u003cp data-start=\"990\" data-end=\"1038\"\u003eRust-resistant finish for long-term durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1039\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1041\" data-end=\"1102\"\u003e\u003cstrong data-start=\"1041\" data-end=\"1067\"\u003eDirect bolt-on fitment\u003c\/strong\u003e for 2017–2024 Duramax L5P trucks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1104\" data-end=\"1298\"\u003eThis high-flow design reduces backpressure and improves exhaust scavenging, helping your turbo respond quicker and run cooler under load. Perfect for towing, work trucks, and performance builds.\u003c\/p\u003e\n\u003chr data-start=\"1300\" data-end=\"1303\"\u003e\n\u003ch3 data-start=\"1305\" data-end=\"1324\"\u003eBuilt to Last\u003c\/h3\u003e\n\u003cp data-start=\"1325\" data-end=\"1549\"\u003eThis kit includes \u003cstrong data-start=\"1343\" data-end=\"1380\"\u003enew gaskets and mounting hardware\u003c\/strong\u003e for a leak-free install. Precision flanges maintain a strong seal under boost, while the heavy-duty casting resists the heat cycle fatigue that kills factory manifolds.\u003c\/p\u003e\n\u003cp data-start=\"1551\" data-end=\"1697\"\u003eWhen your Duramax works hard, weak manifolds don’t cut it. This set is built for owners who want \u003cstrong data-start=\"1648\" data-end=\"1696\"\u003ebetter flow, better fit, and real durability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1699\" data-end=\"1702\"\u003e\n\u003ch3 data-start=\"1704\" data-end=\"1757\"\u003eRecommended Upgrade: Pair with Dieselr Up-Pipes\u003c\/h3\u003e\n\u003cp data-start=\"1758\" data-end=\"2028\"\u003eFor maximum results, pair these manifolds with \u003cstrong data-start=\"1805\" data-end=\"1841\"\u003eDieselr Up-Pipes (2017–2024 L5P)\u003c\/strong\u003e. The upgraded flow path works together to improve turbo response and control temps, creating a complete high-efficiency setup built for serious towing, tuning, and long-term reliability.\u003c\/p\u003e","brand":"dieselr","offers":[{"title":"Yes","offer_id":48767951143152,"sku":null,"price":1050.0,"currency_code":"USD","in_stock":true},{"title":"No","offer_id":48767951175920,"sku":null,"price":750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/5136\/1520\/files\/Dieselr_High_Flow_Exhaust_Manifold_without_EGR_Provision-Pair-2017-2026_Duramax_L5P.webp?v=1769443059","url":"https:\/\/delaneysdiesel.com\/products\/2017-2026-duramax-l5p-high-flow-exhaust-manifold-pair","provider":"Delaney's Diesel","version":"1.0","type":"link"}