TWIN AIR

Air Filter Standard Yamaha

Part # 1011-3977

• —Twin Air dual-stage filters are the choice of top factory teams and riders worldwide
• —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