K&N Engineering 33-2384 KN Drop in Air Filters engine-radiators-components-caps 2003 Arctic Cat 400 4x4

2003 Arctic Cat 400 4x4 ACT

2007-2011 Yamaha YZF-R1

Reflective printing on front and back of jacket

Supertech 12

2012-2021 KTM 350 XC-F

K&N Engineering 33-2384 KN Drop in Air Filters engine-radiators-components-caps 2003 Arctic Cat 400 4x4K&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your