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Wehrli Custom Fab Stage 2 4-inch intake kit for 2001–2004 GM Duramax LB7 6.6L replaces restrictive factory parts with a high-flow aluminum 4" intake and air box to increase airflow to the turbo. It pulls cooler air from the inner fender for reduced intake temperatures and crisper throttle response. Kit includes dry filter with pre-filter cover, silicone boot, stainless t-bolt clamps, turbo-compatible 4" horn and a powder coat finish.
Wehrli 01-04 Duramax LB7 4in Intake Kit w/ Air Box Stage 2 - Bengal Gray
