K&N - 28-4235 K&N Auto Racing Filter

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N racing air filters are washable and reusable and come with a one year limited warranty. Designed to increase horsepower and acceleration Designed for racing applications Washable and reusable lifetime air filter Dual cotton layers One year limited warranty