UNI NU-4123 Air Filter for ATV and Dirt Bike - Factory Fit Replacement

The UNI NU-4123 air filter is specifically designed to fit perfectly into the factory air box, providing a seamless replacement for your off-road motorcycle or ATV. Engineered for high performance and durability, this filter is a popular choice among competition riders and enthusiasts alike. Its precise fit ensures optimal airflow and filtration, maintaining engine efficiency and power during demanding rides.
Constructed with a unique two-stage design, the NU-4123 allows for easy cleaning and servicing. The dual layer of foam can be separated for thorough maintenance, extending the lifespan of the filter and ensuring consistent performance. The ultra-thin, ultra-seal base features a built-in grease groove and is virtually tear-proof, offering a secure seal that prevents dirt and debris from bypassing the filter.
Trusted by factory teams from Yamaha, Kawasaki, and Suzuki, this filter meets the rigorous standards of professional off-road racing. Whether you're upgrading your existing filter or preparing for a competitive event, the UNI NU-4123 provides reliable filtration and easy maintenance, making it a top choice for serious riders. Durable and easy to service, this filter is designed to keep your engine running smoothly in the toughest conditions.

Features:

• Designed to fit in the factory air box exactly like 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 features a built-in grease groove

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