Motocross/Dirt Bike Air Filters

Motorcycle Air Filters
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1414ST)
    0
    # mpn4565174051
    Air Filter (NU-1414ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $11.53
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4104ST)
    0
    # mpn4565173882
    Air Filter (NU-4104ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3263ST)
    0
    # mpn4565173879
    Air Filter (NU-3263ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $28.53
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2281ST)
    0
    # mpn4565173869
    Air Filter (NU-2281ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $24.87
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1413ST)
    0
    # mpn4565173868
    Air Filter (NU-1413ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4148ST)
    0
    # mpn4565173423
    Air Filter (NU-4148ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4137ST)
    0
    # mpn4565173421
    Air Filter (NU-4137ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $24.87
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4105ST)
    0
    # mpn4565173420
    Air Filter (NU-4105ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4078ST)
    0
    # mpn4565173418
    Air Filter (NU-4078ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4075ST)
    0
    # mpn4565173417
    Air Filter (NU-4075ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $31.46
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3802ST)
    0
    # mpn4565173415
    Air Filter (NU-3802ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $24.87
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2480ST)
    0
    # mpn4565173411
    Air Filter (NU-2480ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2294ST)
    0
    # mpn4565173409
    Air Filter (NU-2294ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2260ST)
    0
    # mpn4565173408
    Air Filter (NU-2260ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1421ST)
    0
    # mpn4565173406
    Air Filter (NU-1421ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4147ST)
    0
    # mpn4565173277
    Air Filter (NU-4147ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $24.87
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3254ST)
    0
    # mpn4565173272
    Air Filter (NU-3254ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $24.87
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2353ST)
    0
    # mpn4565173263
    Air Filter (NU-2353ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1415ST)
    0
    # mpn4565173262
    Air Filter (NU-1415ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1409ST)
    0
    # mpn4565173261
    Air Filter (NU-1409ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $17.54
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4138ST)
    0
    # mpn4565173205
    Air Filter (NU-4138ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3237ST)
    0
    # mpn4565173202
    Air Filter (NU-3237ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $13.84
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2447ST)
    0
    # mpn4565173199
    Air Filter (NU-2447ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2437ST)
    0
    # mpn4565173198
    Air Filter (NU-2437ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2354ST)
    0
    # mpn4565173194
    Air Filter (NU-2354ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2335ST)
    0
    # mpn4565173193
    Air Filter (NU-2335ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $19.00
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2263ST)
    0
    # mpn4565173189
    Air Filter (NU-2263ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2245ST)
    0
    # mpn4565173188
    Air Filter (NU-2245ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1004ST)
    0
    # mpn4565173186
    Air Filter (NU-1004ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $27.80
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2467ST)
    0
    # mpn4565173054
    Air Filter (NU-2467ST) by UNI Filter®. For over forty years, Uni Filter Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance. And their unique two stage design produces More Horsepower and More...
    Designed to fit in the factory air box exactly like original filterThe best selling replacement air filter for competition
    $26.34




Whatever motocross or dirt bike model you own, its engine should operate at its fullest potential making sure it will take you through the deepest mud and dirt. Any mill runs on a mixture of vaporized gasoline and air. The latter acts as an oxidizer making combustion possible. However, the air should be properly filtered from dust and debris. Otherwise, it will cause serious engine damage and further costly repairs. Specially designed filters clean the incoming air from any and all bugs, dust, sand, and various other contaminants without restricting its flow.

The filters in question are the heart of your intake. They are made from different materials including foam, fabric, and paper to meet riders’ varying needs and requirements. They are also available in a range of shapes to fit different airboxes. Whatever you need, you will find it on our digital shelves. We offer a host of premium quality air filters for motocross and dirt bikes. All products on offer are sourced from renowned aftermarket manufacturers such as BBR Motorsports, No Toil, DuraBlue, EMGO, Maxima Racing Oils, and many others.

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All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by MOTORCYCLEiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.