Volant 15166 Cold Air Intake SystemFeaturing the best in filtration and performance for your LMM Duramax. With its engineered filter box this intake system will be insulated from the hot air in your engine compartment. The specially placed air ducts are designed for less restriction and a smoother transition for filtered air to reach your turbo. This allows for maximized horsepower and incredible throttle response. Stainless steel hardware coupled with a durable silicone connector ensure this intake lasts the lifetime of your truck. Washable & reusable filter.