aFe Power Momentum HD 50-73005 Ford Diesel Truck 11-15 V8-6.7 (td) Performance Intake System (Oiled, 10-Layer Filter) Outflows the factory intake by 30%. Produces an additional 19 horsepower and 60 lbs. x ft. torque 10-Layer progressively finer oiled, washable cotton gauze media for maximum performance Smooth one-piece sealed housing with unique filter to housing interface (patent pending) for easy installation Also features a CAD designed roto-molded intake tube, auxiliary air scoop and clear sight window This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.