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Universal Air Filters > Universal X-Stream Clamp-On

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RX-4020-1
 
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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.

[More Information on XStream Top Air Filters]
  • Pleated filter built in top
  • Washable and reusable
  • Low restriction
  • Clamp-on design


Product Specifications 
Air Filter Large End Diameter:4.25 in (108 mm)
Air Filter Shape:Round Tapered
Base Outside Diameter:4.25 in (108 mm)
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:0.63 oz (19 ml)
Flange Inside Diameter:2.875 in (73 mm)
Flange Length:0.938 in (24 mm)
Flange Type:Centered
Flanges:1
Footnote 1:1/4-20 Jack Nut Into Top
Height:4.75 in (121 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:RX-4020-1
Product Box Height:7.25 in (184 mm)
Product Box Length:4.63 in (117 mm)
Product Box Width:4.63 in (117 mm)
Product Style:Round Tapered Universal Air Filter
Top Material/Finish:None
Top Outside Diameter:4 in (102 mm)
Top Style:X-Stream
Weight:0.92 lb (0.42 kg)



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