K&N RC-70050 Universal Clamp-On Air Filter: Oval Straight; 2.5 in (64 mm) Flange ID; 5.5 in (140 mm) Height; 4.531 in x 4.219 in (115 mm x 107 mm) Base; 4.438 in x 3.313 in (113 mm x 84 mm) Top Designed to increase horsepower and acceleration Hundreds of sizes and shapes for most applications High air flow with excellent filtration Clamp-on washable and reusable air filter Pliable flanges absorb vibration and can be stretched up to 1/16 In. to fit in-between sizes