K&N Engineering K&N Replacement Air Filter - Round 3.969in ID x 5.25in OD x 3.125in H for 09-11 Royal Enfield Bullet RO-5010

KN Drop in Air Filters

K&N's high-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.

K&N's high-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.

Vehicle Fitments: