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FEULING PARTS BA Slim Air Cleaner Kit for 2008-2017 Harley Twin Cam Engines, Chrome with Red Filter - Part 5457-S
Regular price $679.95 USD
Category:
BA Slim Air Cleaner Kit - Chrome - Red Filter - '08-'17 Twin Cam
Upgrade your Harley-Davidson with the FEULING PARTS BA Slim Air Cleaner Kit, designed specifically for 2008-2017 Twin Cam engines. This high-performance air cleaner features a slimmer cage that provides increased right side leg clearance, enhancing rider comfort during long rides. The kit includes a high-flow billet aluminum velocity stack with an optimal opening diameter, an outer lip, and an internal taper (ID) that improves airflow efficiency and engine performance. The included reusable high-flow air filter ensures durability and ease of maintenance, contributing to consistent power gains. Its clean, streamlined look simplifies installation compared to traditional multi-stack designs, making it a popular choice among enthusiasts seeking a sleek upgrade. The convertible backing plate offers optional cylinder head venting, supporting OEM-style cylinder head breathing and meeting emissions standards through strategically routed vent holes. Designed on the flow bench, dyno tested, and proven on the track, this kit delivers impressive horsepower and torque gains across various engine configurations, especially when combined with modified or ported cylinder heads, larger throttle bodies, and aftermarket intakes. Crafted in the USA, the FEULING PARTS BA Slim Air Cleaner Kit offers a combination of performance, style, and quality that enhances your motorcycle’s overall look and power output.
Features:
- Slimmer cage design for increased rider right side leg clearance
- High-flow billet aluminum velocity stack with optimal diameter, lip, and taper
- Includes a reusable high-flow air filter for durability and performance
- Streamlined, easy-to-install design compared to multi-stack systems
- Convertible backing plate with optional cylinder head venting for OEM-style breathing
- Engineered and tested on flow benches and dyno, proven on the track
- Designed in the USA for quality and reliability





