Uni Filter Dirt Hon CRF450R/RX Air Filter NU-4148ST for Off-Road Motorcycles and ATVs

The Uni Filter Dirt Hon CRF450R/RX Air Filter NU-4148ST is specially designed to fit seamlessly into your factory air box, ensuring optimal performance and protection. Crafted for off-road motorcycles and ATVs, this filter is the top choice among racers and enthusiasts alike, renowned for its durability and efficiency. Its precise fitment guarantees that contaminants are effectively kept out while maintaining maximum airflow, which is critical for high-performance engine operation. The filter's construction features a unique two-stage design that allows for thorough cleaning and reuse, making it a cost-effective solution for demanding environments. The dual-layer foam can be serviced separately, extending the life of the filter and ensuring consistent engine protection over time. The ultra-thin seal base is engineered to resist tearing and includes a built-in

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 has a built-in 'grease groove'

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