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Wehrli Custom Fab Stage 2 4-inch intake kit for 2001–2004 GM Duramax LB7 6.6L upgrades the stock intake with a fabricated aluminum 4" pipe and air box to boost airflow to the turbocharger. It routes cooler air from the inner fender to reduce intake temperatures and improve throttle response. Kit includes dry filter with pre-filter cover, silicone boot, stainless t-bolt clamps, a 4" turbo horn compatible with IHI-style turbos and powder coat finish.
Wehrli 01-04 Duramax LB7 4in Intake Kit w/ Air Box Stage 2 - Brizzle Blue
