• Superior Air Flow: K&N's custom air cleaner assemblies provide more air flow than other assemblies, giving your engine the boost it needs. • Custom Design: Designed with the racer in mind, these assemblies come in 4 different designs to suit your style. • Famous K&N Air Filters: Incorporating our well - known K&N Air Filters, they ensure top - notch performance. Get your perfect assembly now!

This K&N 14 - inch red custom air cleaner assembly is perfect for racers and car enthusiasts looking to improve their engine's performance. It can be used with any engine that uses a round element air cleaner housing. With an inner diameter of 5.125 inches, an outer diameter of 14 inches, and a height of 3.87 inches, it's a great fit for various setups.