AIRFILTER YAMAHA YZ450F 10-13 Ultraweld Reduced peak brain acceleration by

Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion

- Elbow and Shoulder EN1621-1

and unsurpassed comfort

meaning you won't be caught with your pants down

AIRFILTER YAMAHA YZ450F 10-13 Ultraweld Reduced peak brain acceleration byTwin Air filters are slightly smaller than stock filters to increase air space around the filter and improve circulation. The resulting increase in air volume around the filter improves circulation within the airbox. More air means more power for your engine. Flow bench tests have proven that Twin Air filters provide increased airflow while reducing the filters tendency to clog. Features Coarse open pore foam catches airborne dirt, grime and sand Fine