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:2004-2006 BOMBARDIER / CAN-AM 400 Outlander Max H.O. 4x42007-2008 BOMBARDIER / CAN-AM 400 Outlander 400 H.O.2003-2006 BOMBARDIER / CAN-AM 400 Outlander H.O. 2x42003-2006 BOMBARDIER / CAN-AM 400 Outlander H.O. 4x4 XT2003-2005 BOMBARDIER / CAN-AM 330 Outlander H.O. 2x42003-2006 BOMBARDIER / CAN-AM 400 Outlander H.O. 4x42003-2005 BOMBARDIER / CAN-AM 330 Outlander H.O. 4x42004-2006 BOMBARDIER / CAN-AM 400 Outlander Max H.O. XT2007-2008 BOMBARDIER / CAN-AM 400 Outlander 400 H.O. XT2007-2008 BOMBARDIER / CAN-AM 400 Outlander Max 400 H.O. XT2007-2008 BOMBARDIER / CAN-AM 400 OutlanderMax 400 H.O.