Uni Filter

NU-2399ST Air Filter

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  • Regular price $48.99
  • This item is currently out of stock at our store.


  • Designed to fit in the factory airbox UNI FILTER’s high air flow, superior dirt stopping ability, and long lasting dependability have made the PRO COMP II.
  • The bestselling replacement air filter for competition motorcycles.
  • The UNI FILTER’s unique two-stage design allows for easy and complete cleaning.
  • The outer layer can be used dry as pre-filter allowing for longer intervals between cleanings, or it can be oiled for superior engine protection in unusually wet conditions.
  • *The inner filter must always be oiled.