High Flow Exhaust Manifolds & Up Pipes for 6.6 Duramax 2001-2004 LB7

This set of exhaust manifolds and up pipes makes a significant difference in the flow of your exhaust system pre-turbo. This system will reduce EGT's and help your engine come alive!

Includes:

2. High Flow Exhaust Up Pipes

2. High Flow Exhaust Manifolds

2. Exhaust Manifold Gaskets

4. Exhaust Up Pipe Gaskets

1. Mounting Hardware

Fits: 2001-2004 Chevy/GMC 6.6l Duramax LB7 engines in 2500 & 3500 applications.

May also fit non emissions 2004.5-2016 LLY LBZ LMM LGH & LML engines.

Note: 2015+ may require modification of the shock mount.