Airaid 720-472 Universal Clamp-On Air Filter: Oval Tapered; 6 in (152 mm) Flange ID; 9 in (229 mm) Height; 10.75 in x 7.75 in (273 mm x 197 mm) Base; 7.25 in x 4.25 in (184 mm x108 mm) Top Features the latest dyno-proven techniques Improves intake system efficiency and delivers greater horsepower output Designed with a unique inlet track and filter combination Improves air flow and delivers protection against harsh elements SynthaFlow filter delivers maximum air flow and filtration