Supply your 2004.5-2007 GM 6.6L Duramax LLY/LBZ with improved airflow when you install the HSP LLY/LBZ Cold Air Intake Bundle. Proudly made in the USA, the Cold Air Intake Bundle includes a 4” Intake Tube and HSP’s High Flow Turbo Mouthpiece. The Cold Air Intake Bundle features HSP’s signature Heat Shield Box that blocks hot air from entering the engine.
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This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.