- Fewer pleats than standard K&N air filters opens up the intake tract
- Designed to increase power on modified sportbikes
- Fuel-management modifications may be necessary
- Made in the U.S.A. for over 50 years
- Two-ply cotton race filter media
- Purpose-built for racing
- Designed for Closed Course and Competition use
BMW -- HP4 S1000RR -- (2013, 2014); BMW -- S1000R -- (2020, 2014, 2019, 2015, 2016, 2017, 2018); BMW -- S1000RR -- (2011, 2014, 2013, 2017, 2012, 2009, 2015, 2016, 2018, 2019, 2010); BMW -- S 1000 XR -- (2016, 2015, 2017, 2019, 2018)