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Wehrli 2" stainless passenger-side up pipe replaces the lightweight, crack-prone OEM up pipe on 2001–2004 Chevrolet 6.6L LB7 Duramax models. Built from 11-gauge stainless with heavy-duty bellows and full-flow design, it improves turbo spool-up and reduces EGTs for twin-turbo compound applications. Includes gaskets and is compatible only with factory or WCFab billet exhaust manifolds.
Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)
