The Volant 19864 Air Intake System for your 08-10 Ford 6.4L Powerstroke features a cross-linked polyethylene filter box that is specially designed to pull air from the side vent badge on your Super Duty Pickup. Featuring cross-linked polyethylene air ducts that are sculptured to give your engine a less restrictive air pass to breathe. Larger diameters, unique bends and smooth transitions gives you maximum horsepower and awesome throttle response. Included is a cleanable and reusable high grade filter media reduces air restriction and increases engine output. Precision pleat geometry optimizes airflow throughout the intake system. Features: +23HP Increased Efficiency Washable & Reusable Filter Pulls Air From Factory Side Vent (Badge Not Included) CA Residents: CARB E.O. Number on file - LEGAL for use in California.