UNI NU-4149ST Air Filter for Yamaha, Kawasaki, Suzuki Off-Road Vehicles

The UNI NU-4149ST air filter is specifically designed to fit perfectly within the factory air box, ensuring an exact match to the original filter for seamless installation. It is widely regarded as the best-selling replacement air filter for competition motorcycles and ATVs, making it a trusted choice among enthusiasts and racers alike. The filter features a unique two-stage design that allows for easy cleaning and maintenance, extending its service life and maintaining optimal airflow. Its dual-layer foam construction can be serviced separately, ensuring thorough cleaning and reusability without compromising performance.
The filter's ultra-thin seal base is engineered to resist tearing, providing durability in demanding off-road conditions. Additionally, it includes a built-in grease groove that enhances sealing and prevents dirt ingress. Used by factory teams from Yamaha, Kawasaki, and Suzuki, this air filter is proven in competitive environments and offers reliable protection against dirt and debris that can damage engines. Its construction ensures consistent airflow, which is critical for optimal engine performance and efficiency.
Designed for easy installation and maintenance, the UNI NU-4149ST air filter is an essential component for off-road motorcycle and ATV enthusiasts who seek durability, performance, and factory-level quality. Whether preparing your vehicle for racing or regular off-road use, this filter offers high-quality filtration and long-lasting service, making it a valuable upgrade or replacement part for your vehicle’s air intake system.

Features:

• Designed to fit in the factory air box exactly like the original filter

• The best-selling replacement air filter for competition motorcycles and ATVs

• Unique two-stage design allows for easy and complete cleaning

• Dual layer of foam can be serviced separately

• Thin ultra seal base is virtually impossible to tear and includes a built-in grease groove

• Used by factory Yamaha, Kawasaki, and Suzuki off-road teams