TWIN AIR Air Filter - XR 150601FR Goldwing Puff Vest Same internal components as the

Same internal components as the Cobra Powerflo air intake

2017-2020 KTM RC 390 - - 2017-2020 KTM 390 Duke - -

Variable width through the protection for a better fit to the pipe

removable silencing insert

TWIN AIR Air Filter - XR 150601FR Goldwing Puff Vest Same internal components as theDual 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