K&N Round Filters
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K&N Round Filters

  |   K&N Engineering


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K&N Engineering Round Filters

The K&N Round Filter helps boost performance by opening up the intake system, increasing air flow into the engine and allowing it to run more efficiently. The retro round style adds a vintage touch to any Triumph Classic or Cruiser. K&N Rounds Filters fit perfectly with British Customs Air Box removal kit. All K&N Filters are washable and reusable.


  • Air Filter (I.D.): 2-1/8" (54mm)
  • Injector (I.D.): 2-1/16" (52.5mm)
  • Air Filter Diameter: 3-1/2x 5

These are not stock replacements filters. Your must remove your air box prior to install.


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