PPE HIGH-FLOW EXHAUST MANIFOLDS WITH UP-PIPES 2011-2016 GM 6.6L DURAMAX LML

Product Description

The PPE 116112000 High-Flow Exhaust Manifolds with Up-Pipes for your 2011-2016 GM 6.6L Duramax increase exhaust flow by 20 percent and are 50 state emissions legal. Designed to outlast your truck the manifolds are made from high-quality cast iron and the up pipes are made from stainless steel. Plus the aircraft grade Up-Pipe bellows are high-flow, internally sleeved, and have an increased inner diameter.

Features: 

• Significant reduction in exhaust back pressure
• Free flowing Stainless Steel Inner Liner Bellows
• Stainless Steel 11-gauge .120-inch wall diameter Up-Pipes
• Built in bosses, pre-drilled and tapped 1/8" NPT for EGT gauge 
  

Note: On 2015-2016 models minor modification to the upper shock mount is required for installation.

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