The PPE 116111100 High-Flow Race Exhaust Manifolds with Up-Pipes for your 2001-2016 GM 6.6L Duramax are designed to maximize power and flow characteristics in your truck.

The PPE 116111101 High-Flow Race Exhaust Manifolds with Up-Pipes for your 2001-2016 GM 6.6L Duramax are designed to maximize power and flow characteristics in your truck.

GM LB7 Passanger side up pipe 2001-2004 GM Federal 2004.5-20016 Offroad

Increase flow in your 2001-2016 GM 6.6L Duramax with the XDP Replacement Up-Pipes with Gaskets XD264. Built for performance and durability, XDP's up-pipes are constructed from 2” stainless steel mandrel-bent tubing, 1/2” thick flanges to eliminate warping, and heavy-duty bellows for a long service life.

The GM 12637647 Updated Driver Side Exhaust Manifold for your 2001-2010 GM 6.6L Duramax features a "full bore" unlike the factory exhaust manifold that is "kinked or dented" for additional clearance.