Product Description
The PPE 116111000 High-Flow Exhaust Manifolds with Up-Pipes for your 01-04 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-701-1
- 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
Application Guide:
- 2001 GM 6.6L Duramax LB7 (California Emissions)
- 2001-2004 GM 6.6L Duramax LB7 (Federal Emissions)
PPE High-Flow Exhaust Manifolds with Up-Pipes - 116111000 will fit:
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