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

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.

• Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
• Multiple layers of woven cotton gauze media offers excellent filtration
• Designed to provide increased horsepower and torque
• Includes a 10-Year/Million-Mile Limited Warranty
• Washable & reusable, pre-oiled and ready to ride
• Application specific base seal and sealing bead
• Made in the USA for over 40 years

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