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The Wehrli WCFab Stage 2 intake kit for 2006–2007 Duramax LBZ 6.6L replaces restrictive factory plastic parts with a high-flow fabricated aluminum 4" intake and sealed airbox to increase airflow to the turbo, improving horsepower, torque and throttle response. The kit draws cold air from the inner fender for cooler intake temps and a more aggressive turbo sound.
Wehrli 06-07 Duramax LBZ 4in Intake Kit Stage 2 - Bengal Blue
