PPE 116111000 HIGH-FLOW EXHAUST MANIFOLDS WITH UP-PIPES 2001-2004 GM 6.6L DURAMAX LB7

PPE116111000
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The PPE 116111000 High-Flow Exhaust Manifolds with Up-Pipes for your 2001-2004 GM 6.6L Duramax LB7 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:
  • CARB E.O. D-701-19
  • Reduces Back Pressure
  • Stainless Steel Inner Liner Bellows
  • Pre-Drilled & Tapped 1/8" NPT For EGT Gauge  
  • Stainless Steel 11-Gauge .120-Inch Wall Diameter Up-Pipes
Application Guide: 
2001 GM 6.6L Duramax LB7 (California Emissions)
2001-2004 GM 6.6L Duramax LB7 (Federal Emissions)