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Wehrli Custom Fab 4" intake kit for 2001–2004 GM LB7 6.6L Duramax includes large‑diameter aluminum piping and an air box with a dry filter to replace restrictive factory plastic intakes. The 4" aerodynamic bends increase airflow to the turbo, improving throttle response and intake temperatures while drawing cold air from the inner fender. Supplied with silicone boot, stainless T‑bolt clamps, pre‑filter cover and hardware for a bolt‑on installation; no tuning required.
Wehrli 01-04 Chevrolet Duramax LB7 4in. Intake Kit - Bengal Red
