About this product
BA Series Air Cleaner Kit - Raw - Black Filter
The FEULING PARTS BA Series Air Cleaner Kit, with part number 5531, is engineered to deliver impressive horsepower and torque gains on any engine, especially those with modified or ported cylinder heads, intake manifolds, and larger throttle bodies. Its one-piece design offers a clean, streamlined appearance and simplifies installation compared to traditional multi-stack configurations. Designed with performance in mind, this air cleaner features lengthened intake runners that increase air velocity and deliver a more balanced dynamic flow, optimizing engine breathing and power output.
Constructed with a high-flow billet aluminum velocity stack, the kit boasts an optimal opening diameter, an precisely machined outer lip, and an internal taper to maximize airflow efficiency. The OEM-style cylinder head routing ensures compatibility with factory breathing systems, with strategically placed vent holes to enhance airflow and reduce pressure buildup. Additionally, the convertible backing plate provides optional venting for cylinder heads, allowing customization based on your specific setup.
The kit includes a washable and reusable 2.5-inch wide air filter with a high-quality billet cage, ensuring durability and sustained performance over time. Developed and tested extensively on flow benches and dyno facilities, this air cleaner guarantees performance improvements and reliable operation. Made in the USA, the FEULING PARTS BA Series Air Cleaner Kit is a premium upgrade for enthusiasts seeking increased horsepower, torque, and a refined engine bay aesthetic.
Features:
- Impressive horsepower and torque gains on modified engines
- One-piece design for a clean look and easy installation
- Lengthened intake runners for increased air velocity
- High flow billet aluminum velocity stack with optimal opening diameter
- OEM-style cylinder head routing with vent hole optimization
- Convertible backing plate with optional cylinder head venting
- Includes washable and reusable 2.5-inch wide air filter with billet cage
- Developed and tested on flow benches and dyno facilities
- Made in the USA for quality and durability
Description supplied by Cycle Supply through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






