Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The WCFab 4" intake kit for 2006–2007 GM LBZ 6.6L Duramax replaces restrictive factory plastic parts with a fabricated aluminum 4" pipe and enclosed air box. It increases airflow to the turbo for improved torque and horsepower, cooler intake temperatures, and quicker throttle response. Kit includes silicone boot, stainless T‑bolt clamps, hardware, removable air box lid, and a hydrophobic pre‑filter cover for easier maintenance.
Wehrli 06-07 Duramax LBZ 4in. Intake Kit w/ Air Box - Gloss Black
