Shop with Blessed Performance for the PPE High Flow Exhaust Manifolds with Up Pipes for your 2001-2004 GM 6.6L LB7 Duramax diesel. 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.
Highlights:
- CARB E.O. D-701-19
- Significant Reduction In Exhaust Back-Pressure
- Free-Flowing Stainless Steel Inner Liner Bellows
- Stainless Steel 11-Gauge .120-Inch Wall Diameter Up-Pipes
- Cast Hi-Sil Moly Iron High-Flow Manifold Construction (Raw Finish)
- Built In Bosses, Pre-Drilled, And Tapped 1/8” NPT For EGT Gauge Sensor
Fitment Guide:
2001 GM 6.6L Duramax LB7 (California Emissions)
2001-2004 GM 6.6L Duramax LB7 (Federal Emissions)
Note:
The 2001-2004 LB7 factory downpipe DOES NOT fit aftermarket manifolds and up-pipes.