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Wehrli 2" stainless passenger-side up pipe for 2001–2004 Chevrolet 6.6L LB7 Duramax replaces the thin OEM up pipe with an 11-gauge TIG-welded unit sized and clearanced to accept a conventional downpipe behind the engine. Offered for single-turbo applications, it improves flow to boost turbo spool and lower EGTs. Includes gaskets and is compatible only with OEM or WCFab billet exhaust manifolds.
Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w/Gaskets (Single Turbo)
