TWIN AIR Air Filter - CRF450R 150208 Round Sissy Bar Give your BMW a clean

Give your BMW a clean and improved profile look when removing the factory mirrors

It comes with 2 Lambda receiver bung for on track data logging or Dyno tuning and closed loop active tuning

Easy and fast to mount using the original headlight’s rubber bands

Compression ratio of 11

TWIN AIR Air Filter - CRF450R 150208 Round Sissy Bar Give your BMW a cleanDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions