K N Air Filter Big Twin E-2470

Pleated media provides a large filtration area offering long service intervals, Multi-layers of woven cotton gauze media offer excellent filtration, Application-specific sealing bead ensures an airtight fit, Designed to increase horsepower and torque, Washable, reusable, pre-oiled and ready to ride, American-made for over 50 years, Made in the U.S.A.