Uni Filter NU-4064ST Two-Stage Foam Air Filter Honda Dirt Bike

The Uni Filter NU-4064ST is a premium two-stage foam air filter engineered specifically for Honda dirt bikes. This competition-grade replacement filter is designed to fit precisely in your factory airbox, offering a direct OEM replacement with superior performance characteristics.

Key Features:

• Unique two-stage design with dual foam layers that separate for thorough cleaning and maximum airflow
• Ultra Seal grease groove built into the sealing surface prevents dirt bypass and ensures proper seal
• Thin, tear-resistant base material provides durability and long service life
• Unsurpassed airflow and dirt-stopping capability for optimal engine performance and protection
• Reusable and easy to maintain—simply clean with grease-cutting dish soap, re-oil, and reinstall
• Trusted by factory racing teams including Yamaha, Kawasaki, and Suzuki off-road programs
• Made in the U.S.A. with premium materials

Each Uni Filter is designed to drop directly into your stock airbox exactly like the original equipment filter, requiring no modifications. The innovative two-stage construction allows each foam layer to be serviced independently, ensuring complete cleaning and extending filter life indefinitely when properly maintained.