TWIN AIR Air Filter - KTM/Polaris 154108 Gas Cap — Large It comes with a single

It comes with a single Lambda receiver bung (sensor not included) for on track data logging or Dyno tuning or the addition of FTECU’s Active Tune

Deep but quiet sound

Internal memory that allows the grips to stay at previous warmth level

Engraved metallic part with Polisport logo

Polished to a mirror finish

TWIN AIR Air Filter - KTM/Polaris 154108 Gas Cap — Large It comes with a singleDual 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