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

K&N RX-4040-1

599-RX-4040-1

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K&N Round Straight X-Stream Clamp-On Air Filter $87.99
Round Straight X-Stream Air Filter
  • Flange Inside Diameter: 2.438" (62 mm)
  • Flange Length: 0.75" (19 mm)
  • Flange Type: Centered
  • Height: 4.75" (121 mm)
  • Base Outside Diameter: 4" (102 mm)
  • Top Outside Diameter: 4" (102 mm)

  • K&N RX-4040-1 Details

    2.438'' (62 mm) Flange Diameter

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

    Specifications:

    Diameter Outside (in.)
    4
    Flange Type
    Centered
    Shape
    Round
    Material
    Rubber Base
    Carb/Air Horn Dia. (in.)
    2.4375
    Top Style
    X-Stream
    Flange Angle
    0 degrees
    Filter Re-Oiling Amount
    0.62 oz (18 ml)
    Air Filter Large End Diameter
    4 in (102 mm)
    Flange Offset
    0 in (0 mm)
    Air Cleaner Base
    Black rubber
    Air Cleaner Filter
    Red cotton gauze
    Air Cleaner Shape
    Round straight
    Air Cleaner Size (in.)
    4 diameter
    Air Cleaner Top Design
    K&N logo
    Air Cleaner Top Finish
    Black
    Air Cleaner Top Material
    Plastic
    Base Style
    Raised
    Quantity
    Sold as a kit
    Wing Nut Included
    No
    Filter Height (in.)
    4.75
    Manufacturer's Part Number:
    RX-4040-1

    K&N Round Straight 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.

    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