WCFab Stage 2 4in intake kit with air box for 2001–2004 GM LB7 6.6L Duramax replaces restrictive OEM parts with a fabricated aluminum 4" intake and air box to increase airflow, throttle response, and cooler intake temps. The kit includes a dry filter with hydrophobic pre-filter cover, silicone boot, stainless t-bolt clamps, high-flow turbo horn, hardware for bolt-on fitment, and custom powder coat finish.
Wehrli 01-04 Duramax LB7 4in Intake Kit w/ Air Box Stage 2 - Sparkle Copper