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

Description

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. When used as a replacement for the OEM air filter, modifications to the jetting may be required.