FEULING PARTS BA Slim Air Cleaner Kit for Harley Twin Cam 5543-S – Black with Black Filter

BA Slim Air Cleaner Kit - Black - Black Filter - Twin Cam

The FEULING PARTS BA Slim Air Cleaner Kit, designed specifically for Harley Davidson Twin Cam engines, offers a sleek and efficient upgrade for performance enthusiasts. Crafted with a slimmer cage, this air cleaner provides riders with increased right side leg clearance, enhancing comfort during rides and ease of installation. The high-flow billet aluminum velocity stack features an optimal diameter, outer lip, and internal taper, promoting superior airflow and engine breathing. This kit includes a reusable high-flow air filter and a one-piece billet cage, ensuring durability and a clean installation without the complexity of multi-stack setups. The convertible backing plate offers optional cylinder head venting, providing OEM-style breathing and routing into the intake with strategic vent hole placement to meet emissions standards. This design not only maintains compliance but also maximizes horsepower and torque gains across various engine configurations. Developed and tested on the flow bench, dyno, and proven on the track, the FEULING Part 5543-S delivers impressive performance improvements. Made in the USA, this kit combines quality craftsmanship with functional design to elevate your Harley’s performance and aesthetics.

Features:

• Slimmer cage for increased right side leg clearance

• High-flow billet aluminum velocity stack with optimal opening diameter, outer lip, and internal taper

• Includes reusable high-flow air filter and one-piece billet cage

• Clean look and easier installation compared to industry-standard multi-stack setups

• Convertible backing plate with optional cylinder head venting

• OEM-style cylinder head breathing with optimized vent hole placement

• Engineered and tested on flow bench, dyno, and track