Feuling FE-5544 BA Air Cleaner Kit Black w/Clear Cover for Harley-Davidson Softail 00-15/Dyna 99-17/Touring 99-07 w/CV Carb or Cable Operated Delphi EFIWith 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)