Uni Filter NU-3431 Motorcycle Air Filter for Buell XB Models

The Uni Filter NU-3431 is a high-performance replacement air filter engineered specifically for Buell XB series motorcycles. This premium foam air filter is designed to fit precisely in the factory air box, offering a direct replacement for the original filter with superior filtration and airflow characteristics.

Key Features:

• Two-stage foam design with dual layers that can be serviced independently for thorough cleaning
• Drop-in fitment matches factory air box dimensions for easy installation
• Reusable and washable construction provides long-term value and performance
• Premium foam material captures dirt and debris while maintaining excellent airflow
• Proven design trusted by competition motorcycle and ATV riders

Uni Filter's unique dual-layer foam construction allows each layer to be cleaned separately, ensuring complete maintenance and extended filter life. The outer coarse foam layer traps larger particles, while the inner fine foam layer captures smaller contaminants, providing superior engine protection compared to standard paper filters.