Twin Air Air Filter Part Number:1018-4471 (MFG #: 152621) HDO Optics for crystal clear

HDO Optics for crystal clear vision and impact resistance

Provides efficient and reliable starting

Position Tension Adjustment Bolt: Always be able to keep it tight as new

and thumbhole cuffs help it stay tucked in while a mock neck collar makes for comfortable rides all day long

Twin Air Air Filter Part Number:1018-4471 (MFG #: 152621) HDO Optics for crystal clearFEATURES Dual 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