About this product
BA Series Air Cleaner Kit - Raw - Red Filter
The FEULING PARTS BA Series Air Cleaner Kit (Part 5431) is engineered to deliver impressive horsepower and torque gains across a variety of engine setups. Designed for engines with modified or ported cylinder heads, intake manifolds, and larger throttle bodies, this kit ensures optimal airflow and performance enhancement. The high-flow billet aluminum velocity stack features an optimal opening diameter, internal taper, and outer lip, promoting increased air velocity and volume for a balanced, dynamic flow. Its one-piece construction provides a clean, streamlined appearance and simplifies installation compared to traditional multi-stack designs, making it an attractive upgrade for performance enthusiasts. Featuring lengthened intake runners, the kit enhances air velocity and volume, contributing to improved engine breathing and power output. The kit is set up with OEM-style cylinder head breathing routing, with strategically placed vent holes for optimized airflow, ensuring efficient operation across a range of engine configurations. It includes a washable and reusable 2.5-inch wide air filter with a high-flow billet cage, designed for durability and ease of maintenance. Developed and tested on flow benches and dyno setups, this air cleaner kit guarantees performance and reliability. Made in the USA, the FEULING PARTS BA Series Air Cleaner Kit combines quality craftsmanship with performance-focused features, making it an ideal upgrade for serious performance builds.
Features:
- Impressive horsepower and torque gains on modified engines
- One-piece design for a clean look and easier installation
- Lengthened intake runners for increased air velocity and volume
- High-flow billet aluminum velocity stack with optimal opening diameter
- OEM-style cylinder head breathing routing with vent hole optimization
- Convertible backing plate with optional cylinder head venting
- Includes washable, reusable 2.5-inch wide air filter and billet cage
- Developed and tested on flow benches and dyno for performance assurance
- Made in the USA for quality and reliability
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.






