Uni Filter

NU-4142ST Air Filter - Honda TRX 420 07

  • Sale
  • $44.99
  • Regular price $49.99
  • 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.