{"product_id":"ppe-116112000-high-flow-exhaust-manifolds-with-up-pipes-2011-2016-6-6l-duramax-lml","title":"PPE HIGH-FLOW EXHAUST MANIFOLDS WITH UP-PIPES 116112000  | 2011-2016 6.6L Duramax LML","description":"\u003cp\u003eBoost performance on your 2011-2016 GM 6.6L Duramax with the \u003cstrong\u003ePPE 116112000 High-Flow Exhaust Manifolds with Up-Pipes\u003c\/strong\u003e. These manifolds increase exhaust flow by 20% while remaining 50-state emissions compliant. Built for durability, the manifolds feature premium cast iron construction and the stainless steel up-pipes include high-flow, internally sleeved aircraft-grade bellows with an enlarged inner diameter for optimized exhaust flow.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCARB E.O. D-701-19 Certified\u003c\/li\u003e\n  \u003cli\u003eReduces Exhaust Back Pressure for Improved Performance\u003c\/li\u003e\n  \u003cli\u003eFree-Flowing Stainless Steel Inner Liner Bellows\u003c\/li\u003e\n  \u003cli\u003eStainless Steel 11-Gauge (.120\" Wall) Up-Pipes\u003c\/li\u003e\n  \u003cli\u003ePre-Drilled 1\/8\" NPT Bosses for EGT Gauges\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":51795779911963,"sku":"116112000","price":1121.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-02-16at2.22.20PM.png?v=1771276964","url":"https:\/\/wwmperformance.com\/products\/ppe-116112000-high-flow-exhaust-manifolds-with-up-pipes-2011-2016-6-6l-duramax-lml","provider":"WWM Performance","version":"1.0","type":"link"}