K&N Replacement Air Filter CBR600F4i Colour_Forge CE tested and certified as

CE tested and certified as impact protection: EN1621-1

Replacement Wrist Pin: WP025

and feature upgrades that improve on the OEM design

Axle boots are available to suit this axle: Inner: WPAXCVB014

K&N Replacement Air Filter CBR600F4i Colour_Forge CE tested and certified asK&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. Features: Designed to provide increased horsepower and torque. Pleated media provides a large filtration area, offering long service intervals. Multiple