This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. Unlike K&N replacement air filters, fuel management modifications will be necessary with this racing filter. K&N racing air filters are washable and reusable and come with a one year limited warranty. This product is for closed course competition use only. This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. What's Included: K&N 10-11 BMW S1000RR 990 Race Specific Air FIlter Vehicle Fitment: 2009-2019 BMW S1000RR Base 2013-2014 BMW HP4 Base 2014 BMW HP4 Competition Base 2014-2019 BMW S1000R Base 2015-2019 BMW S1000XR Base 2018-2018 BMW HP4 RACE Base
