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FEULING PARTS BA Slim Air Cleaner Kit for Twin Cam Engines - Black with Red Filter, Part Number 5443-S
Regular price $649.95 USD
Category:
BA Slim Air Cleaner Kit - Black - Red Filter - Twin Cam
Enhance your motorcycle's performance and appearance with the FEULING PARTS BA Slim Air Cleaner Kit, designed specifically for Twin Cam engines. This high-flow billet aluminum velocity stack features an optimal opening diameter, outer lip, and internal taper to maximize airflow and engine efficiency. The slim cage design provides more right side leg clearance, improving rider comfort without sacrificing performance. Included with the kit is a reusable high-flow air filter and a one-piece billet cage that simplifies installation and offers a sleek, clean look compared to traditional multi-stack designs. The convertible backing plate allows for optional cylinder head venting, ensuring OEM-style breathing while meeting emissions standards. Developed on the flow bench, dyno tested, and proven on the track, this kit delivers impressive horsepower and torque gains, especially on engines with modified or ported cylinder heads, larger intake manifolds, and bigger throttle bodies. Crafted in the USA, the FEULING PARTS BA Slim Air Cleaner Kit combines performance, durability, and style for your Twin Cam motorcycle.
Features:
- Slimmer cage design for increased right side leg clearance
- High-flow billet aluminum velocity stack with optimal opening, lip, and taper
- Includes a reusable high-flow air filter and one-piece billet cage for easy installation
- Convertible backing plate offering optional cylinder head venting
- OEM-style cylinder head breathing with optimized vent hole locations
- Engineered and tested on the flow bench, dyno, and track for proven performance
- Designed and manufactured in the USA





