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Wehrli 4" Intake Kit with air box for 2004.5–2005 Duramax LLY replaces restrictive factory components with large-diameter aluminum piping and a dry filter assembly to improve airflow and engine response. The kit lowers intake temperatures by drawing cold air from the inner fender and includes silicone boots, stainless T-bolt clamps, installation hardware and a hydrophobic pre-filter cover. Bolt-on installation requires no tuning.
Wehrli 2004.5-2005 LLY Duramax 4in Intake Kit with Air Box- Gloss Black
