UNI Filter air filters areunsurpassed in airflow, dirt stoppingand overall performance. And theyproduce more horsepower andmore torque than any other airfilter. UNI's revolutionary two stageair filter is the only filter that comesapart for maximum airflow and ultimatecleaning Fits: Honda TRX300 2WD FOURTRAX 1990 1993-2000 TRX300 4WD FOURTRAX 1990-1992 1997-1998 TRX300FW FOURTRAX 4X4 1999-2000 TRX350ES RANCHER 2WD 2000-2005 TRX350FE FOURTRAX RANCHER 2001-2006 TRX400 4WD FOREMAN 1996-2003 TRX400FGA FOURTRAX RANCHER 4X4 2004-2007 TRX450FM 4WD FOREMAN 2002-2004