UNI AIR FILTERS. Uni air filters are unsurpassed in airflow, dirt stopping and overall performance. The produce more horsepower and more torque than any other air filter. Uni's revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning. To complete the winning combination, apply Uni oil and Uni cleaner. ÿAdditonal Fitment:2003-2009 HONDA CRF 1502003-2009 HONDA CRF 230 F2008-2008 HONDA TRX500 FOREMAN