2001-2004 LB7 Duramax 2" Stainless Single Turbo Up Pipe Kit for OEM or WCFab Manifolds w/ Gaskets

- Fully TIG Welded 11 GA Stainless Steel Construction - Heavy Duty 2" Driver Side Up Pipe - Heavy Duty 2" Passenger Side Up Pipe - Up Pipe Gaskets (4) - Made in USA Replace the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is for use with single turbo applications and factory exhaust manifolds. INCLUDES GASKETS NOTE: These up pipes ONLY fit with OEM exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). ***Designed for use with WCFab downpipe. OEM and other aftermarket downpipes may require additional modifications*** Replaces the following GM Part numbers: 97223167, 97302261