Motocross/Dirt Bike Air Filters

Motorcycle Air Filters
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2435ST)
    0
    # mpn4568934455
    Air Filter (NU-2435ST) 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
    $21.21
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4064ST)
    0
    # mpn4568934166
    Air Filter (NU-4064ST) 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
    $24.13
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4058ST)
    0
    # mpn4568934164
    Air Filter (NU-4058ST) 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
    $16.08
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3805ST)
    0
    # mpn4568934161
    Air Filter (NU-3805ST) 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-3269ST)
    0
    # mpn4568934156
    Air Filter (NU-3269ST) 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-3231ST)
    0
    # mpn4568934149
    Air Filter (NU-3231ST) 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-2433ST)
    0
    # mpn4568934138
    Air Filter (NU-2433ST) 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
    $25.60
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2345ST)
    0
    # mpn4568934128
    Air Filter (NU-2345ST) 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
    $23.40
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2269ST)
    0
    # mpn4568934114
    Air Filter (NU-2269ST) 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-1601ST)
    0
    # mpn4568934109
    Air Filter (NU-1601ST) 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-1422ST)
    0
    # mpn4568934108
    Air Filter (NU-1422ST) 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
    $33.66
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-1407ST)
    0
    # mpn4568934107
    Air Filter (NU-1407ST) 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-1405ST)
    0
    # mpn4568934106
    Air Filter (NU-1405ST) 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-1404ST)
    0
    # mpn4568934105
    Air Filter (NU-1404ST) 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-1203ST)
    0
    # mpn4568934104
    Air Filter (NU-1203ST) 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-1009ST)
    0
    # mpn4568934101
    Air Filter (NU-1009ST) 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-1007ST)
    0
    # mpn4568934100
    Air Filter (NU-1007ST) 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-3226ST)
    0
    # mpn4565175633
    Air Filter (NU-3226ST) 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
    $26.89
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2364ST)
    0
    # mpn4565175630
    Air Filter (NU-2364ST) 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-4132ST)
    0
    # mpn4565174277
    Air Filter (NU-4132ST) 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
    $13.88
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-4145ST)
    0
    # mpn4565174083
    Air Filter (NU-4145ST) 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-4052ST)
    0
    # mpn4565174076
    Air Filter (NU-4052ST) 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-3801ST)
    0
    # mpn4565174072
    Air Filter (NU-3801ST) 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
    $33.66
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3270ST)
    0
    # mpn4565174069
    Air Filter (NU-3270ST) 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-3260ST)
    0
    # mpn4565174068
    Air Filter (NU-3260ST) 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
    $21.21
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-3251ST)
    0
    # mpn4565174066
    Air Filter (NU-3251ST) 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-3229ST)
    0
    # mpn4565174064
    Air Filter (NU-3229ST) 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-2601ST)
    0
    # mpn4565174062
    Air Filter (NU-2601ST) 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
    $27.06
  • UNI Filter® - Two Stage Air Filter
    UNI Filter®Two Stage Air Filter (NU-2370ST)
    0
    # mpn4565174056
    Air Filter (NU-2370ST) 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-2235ST)
    0
    # mpn4565174052
    Air Filter (NU-2235ST) 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
    $33.68




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.