K&N Engineering YA-2002 High Flow Air Filter drive-chains-525 1994 Polaris Big Boss 300

1994 Polaris Big Boss 300 6x6

1982 Honda CM450C Custom

Quad peened pins

2009-2010 KTM 50 SX

Custom air filters can increase horsepower up to 12%

K&N Engineering YA-2002 High Flow Air Filter drive-chains-525 1994 Polaris Big Boss 300High flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle. Designed to provide increased performance. Pleated media provides a large filtration area offering long service intervals. Multi layers of woven cotton gauze