PPE 116111000 HIGH-FLOW EXHAUST MANIFOLDS WITH UP-PIPES LB7

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
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
Application Guide:
2001 GM 6.6L Duramax LB7 (California Emissions)
2001-2004 GM 6.6L Duramax LB7 (Federal Emissions)
Application Note:
The 2001-2004 LB7 factory downpipe does not fit aftermarket manifolds and up-pipes