Replace the lightweight, 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 spool-up and decrease EGTs. This up pipe is built with more sweeping, less aggressive bends for use in COMPOUND / TWIN TURBO STYLE APPLICATIONS ONLY. It WILL NOT clear a conventional downpipe behind the engine off of the turbocharger in the valley. - - Compatible with only factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). - - NOTE: This up pipe will ONLY fit with OEM exhaust manifold.
