Menu

Shop

Garage

Cart

Account

Product Summary

Universal Fit, Cotton Gauze, 4.625" Overall Height

    Key Specs

    MFG. Part #RX-3900-1
    BrandK&N

    Need To Know

    Free Shipping on Orders Over $149

    Shipping Policies & FAQs

    Quick and Easy Returns

    Return Policy

    K&N RX-3900-1 Details

    K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

    Charts

    Warranties

    K&N RX-3900-1 Specifications

    KEY SPECS
    MFG. Part #RX-3900-1
    BrandK&N
    GENERAL
    Speedway Motors Catalog Part #465-RX39001
    Material TypeCotton Gauze
    Overall Height4.625"
    Diameter Big End6"
    ShapeRound Tapered
    GTIN Code024844093912
    Base Outside Diameter4.5"
    Flange I.D.3"
    Flange Length0.875"
    Flange TypeCentered
    Inner WireNo
    Top O.D.6"