Universal 3.5 Inch Flange K&N Air Filter Available with Multi-Language Packaging

K&N universal air filters come in many shapes and sizes, but all are designed to increase horsepower while providing excellent filtration and engine protection.

K N RU-1637 Universal Clamp-On Air Filter

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3.5 In, Filter Height: 6 In, Flange Length: 1.75 In, Shape: Round Tapered, RF-1031

K&N RU-5114 Specialty Air Filter - K&N RU-5114 Specialty Air Filter - K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment.

K&N RU-5114 Universal Air Filter

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3 In, Filter Height: 5.75 In, Flange Length: 0.75 In, Shape: Round Tapered, RU-5111 : Automotive

4FLG, 5-3/8 B, 4-1/2 T, 3-1/2 H

RU-3119HBK K&N Universal Clamp-On Air Filter

AIRAID 700-420 Universal Air Filter

K&N RU-9270 Universal Clamp-On Air Filter

AIRAID 700-452 Universal Air Filter

AIRAID 705-495 Universal Air Filter

K&N Black Universal Air Filters are made from Dryflow oil-free synthetic media. These low restriction clamp-on air filters are designed and

RU-3119HBK K&N Universal Clamp-On Air Filter