The No Toil Super-Flo Air Filter Kit will allow your machine to have more air for more horsepower. The Super-Flo Air Filter will replace stock filter and air restricting cage with a high-flow air filter and cage. The No Toil Super-Flow Air Filter Kit will fit securely and tight for a strong seal and will not be burdened with a back-fire screen. The Super-Flo Air Filter has a flame retardant inner lining that will protect the bike and the rider from hot spark generated by the backfire from the machine. The Super-Flo Air Filter is easy to install with the No Toil speed knob. So now you are able to install a complete system that will safely replace your OEM filter and cage. Kit Includes: Super Flo air filter OEM fit high-flow air filter cage Speed knob that replaces Fitment: 2007 Honda CRF150R 2008 Honda CRF150R 2009 Honda CRF150R 2010 Honda CRF150R 2011 Honda CRF150R 2012 Honda CRF150R 2013 Honda CRF150R 2014 Honda CRF150R 2015 Honda CRF150R 2016 Honda CRF150R 2017 Honda CRF150R 2018 Honda CRF150R 2019 Honda CRF150R 2020 Honda CRF150R 2021 Honda CRF150R 2022 Honda CRF150R 2023 Honda CRF150R