Feuling BA Race Series Air Cleaner Kit For Harley Leveraging their extensive expertise in designing enhanced cylinder heads, combustion chambers, and intake manifolds, Feuling introduces an innovative bolt-on air cleaner design. The BA Race Series Air Cleaner Kit extends the intake runners and augments air velocity, resulting in increased air volume for a harmonious and dynamic flow. Choose the Best or Settle for Less! Features: Features a high-flow billet aluminum velocity stack with optimal opening diameter, outer lip and internal taper Includes a high-flow reusable 3.335 air filter and one piece billet cage The one piece design, creates a clean look and eases installation Convertible backing plate offering optional cylinder head venting External Race Only venting to atmosphere available separately The backing plate is engraved with both Made IN USA and Feuling logos Impressive Horsepower and Torque gains Developed and designed on the flow bench, dyno tested and track proven Max flow: 595 CFM AT 28 Available in raw, black anodized, or chrome finish Solid or clear cover Red or black filter element Made in the USA Note: Requires mid foot controls for leg clearance.