K&N AIR FILTERS. Ideal for extended use in dirty and dusty off-road riding and provides clean carburetion even at high altitudes. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration.Additonal Fitment:2003-2003 POLARIS 400 Trail Blazer 400 2x41996-1997 POLARIS 400 Xpress 400L1999-1999 POLARIS 400 Sport 400 2x41996-1997 POLARIS 425 Magnum 425 6x61996-2002 POLARIS 400 Scrambler 400 4x42000-2002 POLARIS 400 Scrambler 400 2x41996-1998 POLARIS 425 Magnum 425 2x41995-1998 POLARIS 425 Magnum 425 4x41996-1997 POLARIS 400 Sport 400L 2x41999-2000 POLARIS 400 Xplorer 400L1998-1999 POLARIS 500 Big Boss 6x6 500