AEM 21-203D-XK Universal DryFlow Clamp-On Air Filter: Round Tapered; 3 in (76 mm) Flange ID; 5.563 in (141 mm) Height; 6 in (152 mm) Base; 5 in (127 mm) Top Designed to increase horsepower and acceleration Air filter top for greater airflow High air flow with excellent filtration Clamp-on washable and reusable air filter Backed by AEM warranty