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K&N E-3979XD - K&N Extreme Duty Air Filters



K&N E-3979XD - K&N Extreme Duty Air Filters

Part Number: 599-E-3979XD

Extreme Duty Air Filter
  • Outside Diameter: 14''
  • Inside Diameter: 11.5"
  • Height: 4"
  • $86.99

    Ships
    from Manufacturer
    Made In USA

    K&N E-3979XD - K&N Extreme Duty Air Filters Details

  • Increases Horse Power And Acceleration
  • Custom Designed To Fit Factory AirBox
  • No Cutting Or Fitting Required
  • Million Mile Limited Warranty
  • Reusable/Washable
  • Long Lasting Performance

  • Specifications:

    Diameter (in.)
    14
    Diameter Outside (in.)
    14
    Height (in.)
    4
    Overall Length (in.)
    NA
    Shape
    Round
    Width (in.)
    NA
    Diameter Inside (in.)
    OEM
    Filter Style
    Dry
    Cap Outside Diameter
    N/A
    Air Filter Inside Diameter (in.)
    11.5
    Air Filter Outside Diameter (in.)
    14
    Air Filter Style
    Round
    Filter Color
    Red
    Quantity
    Sold individually
    Filter Material
    Cotton gauze
    Manufacturer's Part Number:
    E-3979XD

    XD air filters use a deep pile design, extra fine weave grade cotton and alternate geometries for added efficiency and capacity for off-road conditions. This extra thick filtering medium provides the increased protection demanded by high dust conditions while continuing to provide the performance necessary to stay in the front of the pack. The XD cotton medium was developed for the extreme conditions encountered by race teams in the Baja 1000. This real world testing is combined with testing performed at K&N's own Dust Retention Laboratory in conformity with the ISO 5011 test protocol. XD Cotton Air filters can be cleaned in the same way as K&N's original cotton air filters.

    Features:
  • Designed for Baja 1000 race teams
  • Purpose built cotton medium for more protection
  • Passed ISO 5011 test protocol

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