K&N Bombardier/Can AM/Honda 450/644/650 Universal Replacement Tapered Conical Air Filter - BD-6500 $70.99
K&N Briggs & Stratton / Craftsman / Honda All Harmony/GC135/160/GCV135 Replacement Air Filter - 33-2238 $52.99
K&N Can/AM Spyder RT 998/ Buell 1125R -2.2219in OD x 0.969in ID x 3.813in H Oil Filter - KN-564 $32.99
K&N Clamp On Rubber Base Crankcase Vent Filter 0.375in Flange ID x 2in OD x 1.5in Height - 62-1320 $47.99