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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 parts with large-diameter aluminum piping and a dry filter to improve airflow, throttle response and intake temperatures. Finished in Bengal Blue powder coat, the assembly includes a 4.8" cast aluminum turbo intake horn, silicone boots, stainless clamps and installation hardware for an easy bolt-on upgrade with no tuning required.
Wehrli 04.5-05 LLY Duramax 4in Intake Kit with Air Box Stage 2 - Bengal Blue
