Airaid 721-128 Universal Clamp-On Air Filter: Oval Tapered; 4.5 in (114 mm) Flange ID; 7.375 in (187 mm) Height; 11.5 in x 7 in (292 mm x 178 mm) Base; 9 in x 4.5 in (229 mm x114 mm) Top Superior filtration; no oil filter Increases performance and mileage Washable and reusable Hand-built using the finest materials Lifetime no hassle warranty