Feuling BA Air Cleaner Kit With Clear Cover For Harley The Feuling BA Air Cleaner redefines air intake efficiency with advanced design techniques drawn from years of cylinder head and intake system development. It achieves enhanced airflow through elongated intake runners and improved air velocity, significantly boosting volume. Constructed with a high-flow billet aluminum velocity stack featuring a meticulously engineered internal taper, this air cleaner is sure to deliver. optimal air intake. Ease of installation and maintenance is assured with a reusable high-flow filter and a sleek, single-piece billet cage, merging functionality with a stylish appearance. Features: Lengthens intake runners for increased velocity High performance billet aluminum velocity stack High flow reusable air filter Clear acrylic cover Convertible backing plate works with optional Fueling External Breather Kit, sold separately Made in the USA