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Free Shipping on MOST US Orders. Including Protectorates and PO Boxes.
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    K&N Universal Air Filter (4in. Flange / 6in. Base OD / 4-5/8in. Top OD / 6in. Height) RE-0850

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $65.81
    $65.81 - $65.81
    $65.81
  • $0.00 - $0.00
    $46.29
    $46.29 - $46.29
    $46.29

    K&N Universal Air Filter Chrome Round Tapered Blue 4in Flange ID x 1.125in Flange Length x 5.5in H RG-1001BL

    K&N
    10+ in stock

    K&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter's flange to one of three inside flange diamet...

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    $46.29
    $46.29 - $46.29
    $46.29
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    $65.81
    $65.81 - $65.81
    $65.81

    K&N 6 inch OD-Base 4 1/2 inch OD-Top 7 Inch H Round Tapered Universal Air Filter RF-1015

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $65.81
    $65.81 - $65.81
    $65.81
  • $0.00 - $0.00
    $73.04
    $73.04 - $73.04
    $73.04

    K&N Universal Air Filter 4in Flange / 5-3/8in Base / 4-1/2in Top / 6in Height RU-4550

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $73.04
    $73.04 - $73.04
    $73.04
  • $0.00 - $0.00
    $54.24
    $54.24 - $54.24
    $54.24

    K&N Universal 4 Inch Filter RU-2510

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $54.24
    $54.24 - $54.24
    $54.24
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Rubber Filter 4inch FLG / 6inch OD-B / 4-5/8inch OD-T / 12inch H RE-0860

    K&N
    Only 7 left!

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Rubber Filter 4inch FLG / 6inch OD-B / 4-5/8inch OD-T / 14inch H RE-0880

    K&N
    Only 4 left!

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 6in H RU-5060

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 8in H RU-1027

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $65.81
    $65.81 - $65.81
    $65.81

    K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590

    K&N
    10+ in stock

    Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available

    $0.00 - $0.00
    $65.81
    $65.81 - $65.81
    $65.81
  • $0.00 - $0.00
    $73.04
    $73.04 - $73.04
    $73.04

    K&N Universal Clamp-On Air Filter 4in FLG / 6-1/2in B / 4-1/2in T / 7in H RU-1032

    K&N
    10+ in stock

    Description K&N Universal Clamp-on Air Filters are manufactured for a wide variety of applications and unique filtration needs. K&am...

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    $73.04
    $73.04 - $73.04
    $73.04
  • $0.00 - $0.00
    $61.47
    $61.47 - $61.47
    $61.47

    K&N Universal Air Filter 4in Flange / 5-3/8 in Base / 4-1/2in Top / 5in Height RU-3600

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $0.00 - $0.00
    $61.47
    $61.47 - $61.47
    $61.47
  • $0.00 - $0.00
    $73.04
    $73.04 - $73.04
    $73.04

    K&N Universal Rubber Filter 4inch FLG / 6inch OD-B / 4-5/8inch OD-T / 9inch H RE-0870

    K&N
    10+ in stock

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $0.00 - $0.00
    $73.04
    $73.04 - $73.04
    $73.04
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Rubber Filter 4in FLG 9IN x 5-3/4IN B / 7 x 4-1/2IN T / 7-1/2IN H RE-1040

    K&N
    Only 5 left!

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $46.29
    $46.29 - $46.29
    $46.29

    K&N Universal Air Filter Chrome Round Tapered Red 4in Flange ID x 1.125in Flange Length x 5.5in H RG-1001RD

    K&N
    10+ in stock

    K&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter's flange to one of three inside flange diamet...

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    $0.00 - $0.00
    $46.29
    $46.29 - $46.29
    $46.29
  • $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60

    K&N Universal Rubber Filter-Round Tapered 4in Flange ID x 8in Base OD x 6.625in Top OD x 8in H RU-5171HBK

    K&N
    Only 5 left!

    K&N Black Universal Air Filters are made from Dryflow oil-free synthetic media. These low restriction clamp-on air filters are designed and man...

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    $0.00 - $0.00
    $84.60
    $84.60 - $84.60
    $84.60
  • $0.00 - $0.00
    $91.85
    $91.85 - $91.85
    $91.85

    K&N Universal Chrome Filter 4 inch FLG / 5 3/8 inch Bottom / 4 1/2 inch Top / 8 inch Height RC-4580

    K&N
    Only 4 left!

    K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, ...

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    $0.00 - $0.00
    $91.85
    $91.85 - $91.85
    $91.85

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