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UNI Motocross Dirt Bike Air Filters

For over 50 years, UNI Filter dirt bike foam air filters have been unsurpassed in both engine protection and overall performance. Their unique two-stage design produces more horsepower and more torque than any other air filter.


  • Designed to fit in the factory air box exactly like the original filter
  • The best selling replacement air filter for competition motorcycles and ATVs
  • Unique two-stage design allows for easy and complete cleaning
  • Dual-layer of foam can be serviced separately
  • Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"
  • Used by factory Yamaha, Kawasaki and Suzuki off-road