The Wehrli Custom Fab Stage 2 intake kit for 2004.5–2005 GM LLY 6.6L Duramax replaces restrictive factory plastic with a 4" fabricated aluminum intake and enclosed air box to improve airflow to the turbo. Included are a dry filter with hydrophobic pre-filter cover, silicone boot, stainless t-bolt clamps, and a 4.8" cast aluminum turbo intake horn. It bolts on with supplied hardware and is finished in custom powder coat.
Wehrli 2004.5-2005 LLY Duramax 4in Intake Kit with Air Box Stage 2 - Candy Teal