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The WCFab Stage 2 4" 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 assembly to increase airflow, horsepower and torque. The kit draws cold air through the inner fender, includes a 4.8" cast aluminum turbo intake horn, silicone boots, stainless T-bolt clamps and installation hardware for a bolt-on upgrade that needs no tuning.
Wehrli 04.5-05 LLY Duramax 4in Intake Kit with Air Box Stage 2 - Gloss White
