K&amp;N RU-5121 Universal Clamp-On Air Filter: Round Tapered; 4 in (102 mm) Flange ID; 6 in (152 mm) Height; 5.375 in (137 mm) Base; 3.5 in (89 mm) Top<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed to increase horsepower and acceleration</li><li>Hundreds of sizes and shapes for most applications</li><li>High air flow with excellent filtration</li><li>Clamp-on washable and reusable air filter</li><li>Pliable flanges absorb vibration and can be stretched up to 1/16 In. to fit in-between sizes</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51pOZJg1hSL.jpg" noproxy>