Wehrli Custom Fabrication 2001-2004 LB7 Duramax 2" Stainless Single Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with Gaskets - WCF100654

Replace the lightweight 16G, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs. This up pipe is built to clear a conventional downpipe behind the engine in single turbo applications. (it can still be used with twin turbo also) Compatible with factory exhaust manifold only.

Includes Up Pipe Gaskets

Replaces GM 97302261

NOTE: This up pipe will ONLY fit with OEM exhaust manifold or WCFab Duramax Billet Exhaust Manifolds (WCF100363).

***Designed for use with WCFab downpipe. OEM and another aftermarket downpipes may require additional modifications***