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K&N Custom Assembly KRK-3930

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Regular price $317.79
Sale price $317.79 Regular price $453.99

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The K&N RK-3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K&N High-Flow Air Filter, this RK Series assembly includes an innovative powder- coated billet aluminium backplate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover.

Features:

  • Increases horsepower.
  • Washable and reusable.
  • Fits inside stock cover.
  • Provides increased airflow.

Specifications:

  • Estimated Horsepower Gain: 8.43 HP @ 3700 RPM
  • Replacement Filter: E-3972
  • Air Filter Material: Cotton Gauze
  • Size: 9 Inch
  • Inlet Diameter: 2.469 in (63 mm)
  • Overall Height: 1.875 in (48 mm)
  • Weight: 3.5 lb (1.6 kg)
  • Neck Flange: 2.469 in (63 mm)

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K&N Custom Assembly KRK-3930

$317.79

  • ACHIEVING

    5

    average rating

  • With

    100%

    positive reviews

  • LESS THAN

    2%

    return rate

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