The BA air cleaner kit features lengthened intake runners for increased air velocity and added volume for balanced dynamic flow. 🔧
One-piece design creates a clean appearance and simplifies installation compared with standard multi-stack constructions.
A high-flow billet aluminum velocity stack with optimized opening diameter, outer lip, and internal taper maximizes airflow and throttle response.
Includes a washable, reusable 2.5" wide high-flow cotton gauze air filter with a one-piece billet cage for dependable filtration and serviceability. 🧰
The backing plate is engraved with both Made in the USA and Feuling logos.
Developed on the flow bench, dyno tested and track proven, delivering impressive horsepower and torque gains, especially on engines with modified or ported cylinder heads and larger throttle bodies. 🏁
Out of the box the unit is set up with OEM-style cylinder head breathing and routing to meet emissions; fits '93-'99 Evo Big Twin models (head breather, 1/2-13 breather bolts) and will fit '84-'92 Evo models (case breathers, 5/16-18 bolts) with Feuling hardware kit #5100.
Made in the USA.