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The WCFab 4-inch intake kit with air box for 2004.5–2005 GM LLY 6.6L Duramax replaces restrictive factory plastic parts with fabricated aluminum piping and a dry filter air box to increase airflow to the turbo. It draws cooler air from the inner fender, improves intake velocity and throttle response, and includes silicone boots, stainless t-bolt clamps, a removable lid, pre-filter cover and installation hardware for a bolt-on installation.
Wehrli 04.5-05 LLY Duramax 4in Intake Kit with Air Box - Bronze Chrome
