Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)

Replace the light weight, leak prone passenger side OEM up pipe with this heavy duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spoolup and decrease EGT's. This up pipe is built with more sweeping, less aggressive bends for use in TWIN TURBO STYLE APPLICATIONS ONLY. It WILL NOT clear a conventional down pipe behind the engine.

Compatible with factory exhaust manifold or WCFab Duramax Billet Exhaust Manifolds (WCF100363) only.

Includes Up Pipe Gaskets NOTE: This up pipe will ONLY fit with OEM exhaust manifold.