K&N Engineering Mustang Cold Air Intakes

K&N Engineering invented the high performance cotton gauze air filter in 1969 and continues to build and refine high performance air filters and high flow intake systems in Riverside California. K&N High Flow Intake Systems are covered by K&Ns limited lifetime warranty and are guaranteed to increase horsepower. K&N OE Replacement High Flow Air Filters typically add 1 4 horsepower, are washable and reusable, and those intended for street use carry K&Ns limited lifetime warranty.