Wehrli WCF100624 Up Pipe Kit w/Gaskets 2" for 2017-2025 Duramax L5P Stainless

Up Pipe Kit w/ Gaskets, 2in, for 2017-2025 Duramax L5P, Stainless Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck 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 EGT's. This kit is for use with factory exhaust manifolds. - - Fully compatible with WCFab Billet Exhaust Manifolds (Part Number WCF100373). - - INCLUDES GASKETS! -NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary! - - Replaces the following GM Part Numbers: 12688021, 12702943, 12681437, 12680270, 12681162, 12674813, 12681162, 12676611 - - Also fits 2019+ L5D Duramax (4500/5500/6500) Medium Duty Trucks. 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) Flows 26% Better than OEM