BA Series Air Filter - Solid Cover (Manufacturer's ref: 5473) by FEULING PARTS: an intake kit designed for cruisers and touring bikes that want to combine billet style with optimized engine breathing. The one-piece machined aluminium cover offers a clean look and simplified installation compared to traditional multi-layer constructions.
- Design: high-flow intake horn made from machined aluminium with an optimised outer lip and inner cone to enhance airspeed and flow dynamics.
- Filtration: washable/reusable element 2.5" wide, red in colour, mounted on a one-piece cage.
- Materials and finish: black billet aluminium cover, rear plate engraved with FEULING and MADE IN USA.
- Compatibility: designed for touring engines — particularly suited for large Harley Davidson CVO / Road Glide / Street Glide (e.g. FLTRXSTSE, FLTRXSE, FLHXU).
- Emissions and ventilation: originally configured for OEM-type head ventilation directed towards the intake; external ventilation only (race) available as an option with part no. 1012-0263.
- Usage: integrates into configurations seeking better air circulation, billet finish, and easy maintenance.
FEULING PARTS developed this kit on a flow bench and validated it on the track; result: optimised intake and a refined aesthetic for your touring machine.