PPE HIGH-FLOW EXHAUST MANIFOLDS WITH UP-PIPES 116112000 | 2011-2016 6.6L Duramax LML

Boost performance on your 2011-2016 GM 6.6L Duramax with the PPE 116112000 High-Flow Exhaust Manifolds with Up-Pipes. 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.

Features:

• CARB E.O. D-701-19 Certified
• Reduces Exhaust Back Pressure for Improved Performance
• Free-Flowing Stainless Steel Inner Liner Bellows
• Stainless Steel 11-Gauge (.120" Wall) Up-Pipes
• Pre-Drilled 1/8" NPT Bosses for EGT Gauges