Wehrli WCF100590 Up Pipe Kit w/Gaskets Single Turbo 2" for 01-04 LB7 Duramax

Up Pipe Kit w/ Gaskets (Single Turbo), 2in, for 01-04 LB7 Duramax, Stainless 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. - - 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 Fully TIG Welded 11 GA Stainless Steel Construction Heavy Duty 2" Driver Side Up Pipe Heavy Duty 2" Passenger Side Up Pipe Includes Up Pipe Gaskets (4) Made in USA