K&N RX-5179 Universal X-Stream Clamp-On Air Filter: Round Tapered; 2.406 in (61 mm) Flange ID; 5.63 in (143 mm) Height; 4.719 in (120 mm) Base; 3.969 in (101 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