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K&N Round Tapered X-Stream Clamp-On Air Filter

K&N RX-3990-1

599-RX-3990-1

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K&N Round Tapered X-Stream Clamp-On Air Filter $92.99
Round Tapered X-Stream Air Filter
  • Flange Inside Diameter: 3" (76 mm)
  • Flange Length: 0.938" (24 mm)
  • Flange Type: Centered
  • Height: 8.688" (221 mm)
  • Base Outside Diameter: 6" (152 mm)
  • Top Outside Diameter: 4" (102 mm)

  • K&N RX-3990-1 Details

    3'' (76 mm) Flange Diameter

    • Pleated filter built in top
    • Washable and reusable
    • Low restriction
    • Clamp-on design

    Specifications:

    Flange Type
    Centered
    Overall Length (in.)
    8.688
    Top Style
    X-Stream
    Filter Re-Oiling Amount
    1.5 oz (44 ml)
    Top Material/Finish
    None
    Air Filter Large End Diameter
    6 in (152 mm)
    Flange Offset
    0 in (0 mm)
    Top Outside Diameter
    4 in (102 mm)
    Air Filter Bottom Measurement (in.)
    6.000 diameter
    Air Filter Style
    Conical
    Air Filter Top Measurement (in.)
    4.000 diameter
    Inlet Flange Inside Diameter (in.)
    3
    Quantity
    Sold individually
    Flange Angle (Deg)
    0
    Package Contents
    1 Air Filter
    Package Quantity
    1
    Air Filter Shape
    Round Tapered
    Product Style
    Round Tapered Universal Air Filter
    Weight (lbs.)
    1.4 lb (0.6 kg)
    Flanges
    1
    Flange Inside Diameter
    3 in (76 mm)
    Base Outside Diameter
    6 in (152 mm)
    Footnote 1
    1/4-20 Jack Nut Into Top
    Flange Length
    0.938 in (24 mm)
    Height
    8.688 in (221 mm)
    Manufacturer's Part Number:
    RX-3990-1

    K&N Tapered Universal Filters are the best quality and performance air filter option for your application. Whether you are building your own cold air induction kit or you have an application that is just a little different K&N has many of the sizes and styles to fit your performance needs. Sold individually, unless otherwise noted.

    Features:

    • K&N quality and performance
    • Several Sizes and Styles to fit your needs
    • Clean and re-oil instead of replace

    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations