K&N Engineering 33-5009 KN Drop in Air Filters helmets-helmet-accessories-replacement-parts-accessories 2010-2011 Yamaha YZ250F

2010-2011 Yamaha YZ250F

2002-2004 Suzuki LT-A400 Eiger 2x4 Auto

2021-2024 Honda NC750X DCT

2013-2014 Polaris 600 INDY

K&N Engineering 33-5009 KN Drop in Air Filters helmets-helmet-accessories-replacement-parts-accessories 2010-2011 Yamaha YZ250FK&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