K&N Air Filter – Cotton gauze, Panel, Direct OE Replacement, High Flow OE Replacement. Provides 1 to 4 h.p. power gain, 96 to 99 percent filtration efficiency, 1.188 in. height, 10.063 in. outside length, 6.313 in. outside width, Oiled element, Panel style, Made of multiple interwoven layers of surgical cotton gauze, Increases horsepower and acceleration while providing excellent filtration, Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple, Provides high air flow with excellent filtration Economical and environment friendly, Works with OEM vehicle electronics, Will last the life of your vehicle, Washable and reusable, Lasts up to 50,000-mile before cleaning is required depending on drive condition.