K&N Engineering AL-1015 High Flow Air Filter fuel-air-jet-kits Always use the largest diameter

Always use the largest diameter practical to insure maximum filtration

1995-1997 KTM 620 Duke

Bring it up to 1250cc

Made from oversized 1 1/4in

1996-1997 Harley Davidson FLSTF Fat Boy

K&N Engineering AL-1015 High Flow Air Filter fuel-air-jet-kits Always use the largest diameterMillion mile manufacturers warranty. Washable and reusable. High air flow for increased horsepower and torque. Designed with less pleats in order to open up the intake tract. Built with only two layers of special pleated cotton media. Fits directly into your OEM air box assembly with an OEM style sealing bead. Race Spec sport bike filters are designed for closed course competition use only. Made in the USA.. Vehicle Fitment: 2020 2022 Aprilia RSV4