SMX Custom 2.75" Air Filter Kit for 4LHA Yanmar & Others - Seaboard Marine
Torx Racing 4 Inch Air Filter
Amazon.com: K&N Motorcycle Air Filter: Clamp On Pod Filters (4 Pack) Chrome Top with 54mm Flange Fits older Motorcycle Models CB, KZ, GS, GPZ, XS Pod Filters RC-0984 , Black : Automotive