Feuling FE-5453 BA Air Cleaner Kit Black w/Solid Cover & Red Filter for Harley-Davidson Touring 08-16/Softail 16-17/CVO Softail 11-17/Dyna Low Rider S 16-17 w/Throttle-by-WireWith years of experience designing improved cylinder heads, combustion chambers and intake manifolds, FEULING brings light to a new bolt on air cleaner design for Harley Davidson motorcycles. The Feuling BA air cleaner lengthens the intake runners and increases air velocity, delivering added volume for balanced dynamic flow. The BA air cleaner features a highflow billet aluminum velocity stack with optimal opening diameter, outer lip and internal (ID)