{"product_id":"ppe-high-flow-exhaust-manifolds-with-up-pipes","title":"PPE 2017-2026 GM 6.6L Duramax High Flow Exhaust Manifolds with Up-Pipes","description":"\u003cp\u003eFree up your exhaust on your \u003cstrong\u003eGM 6.6L Duramax\u003c\/strong\u003e with the \u003cstrong\u003ePPE High-Flow Exhaust Manifold \u0026amp; Up-Pipe Kit\u003c\/strong\u003e. Built to significantly cut exhaust back-pressure, this manifold-and-up-pipe system lowers EGTs, accelerates turbo spool-up, and improves turbo efficiency and fuel economy — all while maintaining reliability.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose the PPE High-Flow Manifold \u0026amp; Up-Pipe Kit?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Back-Pressure\u003c\/strong\u003e – Significant reduction in exhaust back-pressure for better flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower EGTs \u0026amp; Faster Spool\u003c\/strong\u003e – Drops exhaust gas temperatures, speeds turbo spool-up, and improves turbo efficiency and fuel economy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSil-Moly Cast Iron Manifold\u003c\/strong\u003e – High-sil moly cast iron construction built for high-heat durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree-Flow 304 Stainless Up-Pipes\u003c\/strong\u003e – Two-inch up-pipes with internally sleeved bellows in aircraft-grade 304 stainless, with increased inner diameter for higher flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Heat Shield Compatible\u003c\/strong\u003e – Up-pipes work with your factory heat shields.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Package\u003c\/strong\u003e – Includes high-temp coated exhaust manifold gaskets, upper and lower up-pipe gaskets, and manifold bolts, studs, and spacers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Limited Warranty\u003c\/strong\u003e – Backed by PPE.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eKit Includes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003ePPE High-Flow sil-moly cast iron exhaust manifold\u003c\/li\u003e\n\u003cli\u003eTwo-inch 304 stainless up-pipes with sleeved bellows\u003c\/li\u003e\n\u003cli\u003eExhaust manifold gaskets with high-temp coating\u003c\/li\u003e\n\u003cli\u003eUpper and lower up-pipe gaskets\u003c\/li\u003e\n\u003cli\u003eManifold bolts, studs, and spacers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 116112500\u003c\/li\u003e\n\u003cli\u003eGTIN: 840171209082\u003c\/li\u003e\n\u003cli\u003eReference: D-701-36\u003c\/li\u003e\n\u003cli\u003eManifold material: high-sil moly cast iron\u003c\/li\u003e\n\u003cli\u003eUp-pipe material: aircraft-grade 304 stainless steel\u003c\/li\u003e\n\u003cli\u003eUp-pipe diameter: 2\" (increased inner diameter, internally sleeved bellows)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eKey Features at a Glance\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSil-Moly Cast Manifold\u003c\/strong\u003e - High-heat durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" 304 Stainless Up-Pipes\u003c\/strong\u003e - Higher flow, sleeved bellows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower EGTs, Faster Spool\u003c\/strong\u003e - More efficient turbo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Hardware Included\u003c\/strong\u003e - Gaskets, bolts, studs, spacers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Warranty\u003c\/strong\u003e - PPE-backed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eNotes\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic coating option:\u003c\/strong\u003e an optional ceramic coating is available for the High-Flow manifold. It creates a thermal barrier that resists heat absorption to further reduce surface temperature and EGTs, and adds long-lasting protection against moisture, road salts, oil, fuel, and other corrosives. Confirm the correct part number for the ceramic-coated configuration.\u003c\/li\u003e\n\u003cli\u003eComplete the upgrade with a PPE 3-inch 304 stainless steel down pipe (sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSKU: 116112500\u003c\/p\u003e\n\u003ch5\u003eQuestions? We're Here to Help.\u003c\/h5\u003e\n\u003cp\u003eHave questions about upgrades for your Duramax? Contact FASS Motorsports and we'll get you dialed:\u003c\/p\u003e\n\u003cp\u003ePhone: \u003cstrong\u003e636-429-7020\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEmail: \u003cstrong\u003einfo@fassmotorsports.com\u003c\/strong\u003e\u003c\/p\u003e","brand":"Pacific Performance Engineering (PPE)","offers":[{"title":"Default Title","offer_id":44590964441130,"sku":"116112500","price":1349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/files\/2017-2024-GM-6.6L-Duramax-High-Flow-Exhaust-Manifolds-and-Up-Pipes-Kits-Pacific-Performance-Engineering-143841641.webp?v=1784298762","url":"https:\/\/fassmotorsports.com\/products\/ppe-high-flow-exhaust-manifolds-with-up-pipes","provider":"FASS Motorsports","version":"1.0","type":"link"}