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.