K&N Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4 3/8 inch Top 7 inch Height

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars,

K&N Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4

K&N Unique / Special Purpose Universal Air Filters

aFe 24-91061 - Magnum Flow Pro 5R Universal Air Filter

How to Match Air Filter Size to Your Engine - OnAllCylinders

K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle.

Universal Air Filter, K&N RC-5057 Red

Prime Line Oval Air Filter 7-08247D

K&N 4-Inch Round Tapered Air Intake Filter - Washable

HPS High Flow Performance Air Filter 2.75 Flange ID 7.75

K&N Air Filter 5 inch Flange 6 1/2 inch Base 4 3/8 inch Top 7 inch

K&N Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4

K&N Universal Chrome Filter 1 3/8 inch FLG / 2 1/2 inch Base / 2

Universal Clamp-On Air Filter 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.

K N RU-3600 Universal Clamp-On Air Filter