Skip to content

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.

 MULTI-STAGE COMPETITION 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