Twin Air Bio Oil/Cleaner | 159030 Forks We strongly discourage using one

We strongly discourage using one without this safety pin installed

PU-reinforced microfiber upper for flexibility

Designed specifically for transfer port injection systems

450 XC-F (2013-2015)

Twin Air Bio Oil/Cleaner | 159030 Forks We strongly discourage using oneTwin Air's Original Dual Stage patented design, high quality materials and superior construction deliver unbeatable performance and protection. Twin Air Filters are the hands down choice of more World and National Champions than all other filters combined. Bio cleaner is formulated for superior performance and to be friendly to our environment Easy clean up in your washing machine or sink