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K & N Air Filter Assembly - Twin Cam - 2-1/4" RK-3910-1

K & N Air Filter Assembly - Twin Cam - 2-1/4" RK-3910-1

$343.33 USD
$390.13 USD $343.33 USD
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  • Oversized black powder-coated aluminum backing plate provides solid mounting
  • Fits behind the OE air cleaner cover maintaining the factory appearance
  • Replaces the stock air filter and cleaner backing plate assembly
  • Washable, oversized K&N high flow air filter equals longer life
  • Dyno tuned velocity stack directs airflow to engine
  • Built in breathers replace external OE breathers
  • Guaranteed increase in horsepower
  • Does not include cover
  • Made in the U.S.A.
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