UNI FILTERS UNI-FILTER CB500/550 (4CYL.) -81. NU-4055

Uni Filter dirt bike air filters are unsurpassed in airflow, dirt stopping and overall performance. And they produce MORE HORSEPOWER and MORE TORQUE than any other air filter. Uni’s revolutionary two stage air filter is the only filter that comes apart for maximum airflow and ultimate cleaning. To complete the winning combination, apply Uni oil and Uni cleaner.