K&N Replacement Air Filter Monster S2R / S4R Category_Battery All contents are hygienically sealed

All contents are hygienically sealed and comply with the DIN 13167-2014 standard

All Balls spacers provide a smooth

Replacement Circlip: CW16

This sintered range provides the very latest in sintered friction pad technology to deliver more stopping power

Premium chrome fittings

K&N Replacement Air Filter Monster S2R / S4R Category_Battery All contents are hygienically sealedThis 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. Features: Designed to increase horsepower and acceleration. Designed for racing and track applications, not for street use. Washable and reusable