Airaid 723-128 Universal Clamp-On Air Filter: Oval Tapered; 4.5 in (114 mm) Flange ID; 7.25 in (184 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 Premium Air Filter Multi-Layer Construction Made In The USA Washable And Reusable Lifetime No Hassle Warranty