Dick's Auto Parts » 4.875 in. (124mm)

Description: The K/N Airforce pre-cleaner is a specially designed foam filter wrap made to extend the service interval of a K/N air filter when used in very dusty conditions. Red colored pre-cleaners are oiled while gray colored pre-chargers are not.

Description: The K/N E-4450 replacement air filter is constructed with layers of woven cotton for outstanding filtration and low air restriction to help your engine run more efficiently. This air filter can be washed and reused.

Description: The Apollo is a universal Cold Air Intake System for normally aspired engines up to 250BHP and turbo engines up to 350BHP. The Apollo incorporates a K/N washable/reusable air filter for high air flow with excellent filtration.

Description: Regardless of the angle or offset diameter of an air intake there is probably a K/N Universal air filter for your equipment. K/N universal air filters are washable and reusable.