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The WCFab 4" intake kit with air box for 2006–2007 GM LBZ 6.6L Duramax replaces restrictive factory plastic parts with fabricated aluminum 4" piping and an enclosed air box to increase airflow to the turbo. The system is designed to improve horsepower, torque, throttle response and intake temperatures by drawing cold air through the inner fender. Includes silicone boot, stainless t‑bolt clamps, hydrophobic pre‑filter and bolts on without tuning.
Wehrli 06-07 Duramax LBZ 4in. Intake Kit w/ Air Box - Bengal Red
