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The WCFab Stage 2 4-inch intake kit for 2001–2004 GM Duramax LB7 replaces restrictive factory plastic parts with a fabricated aluminum 4" intake pipe and air box plus a dry filter and pre-filter cover. The design increases airflow to the turbo for improved horsepower, torque, quicker throttle response and cooler intake temps. Includes silicone boots, stainless clamps, hardware and a 4" turbo intake horn; no tuning required.
Wehrli 01-04 Duramax LB7 4in. Stage 2 Intake Kit - Bengal Silver
