RX-3900-1 K&N Universal X-Stream Clamp-On Air Filter

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RX-3900-1
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Universal X-Stream Clamp-On Air Filter
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.
  • Pleated filter built in top
  • Washable and reusable
  • Low restriction
  • Clamp-on design
Air Filter ShapeRound Tapered
Filter MaterialCotton Gauze
WashableYes
Flange Inside Diameter3 in (76 mm)
Flange Length0.875 in (22 mm)
Flange TypeCentered
Flanges1
Height4.625 in (117 mm)
Base Outside Diameter4.5 in (114 mm)
Top Outside Diameter6 in (152 mm)
Top StyleX-Stream
Top MaterialNone
Package Contents1 Air Filter
Package Quantity1
Warranty1 Year Limited
Product StyleRound Tapered Universal Air Filter
Weight1.1 lb (0.5 kg)
Filter Re-Oiling Amount0.76 oz (23 ml)
Air Filter Large End Diameter6 in (152 mm)
Product Box Height7.25 in (184 mm)
Product Box Length6.5 in (165 mm)
Product Box Width6.5 in (165 mm)
Footnote 11/4-20 Jack Nut Into Top
Inner WireNo
No cross references found for this part
DIY Level

Easy

Installation Time

5-10 Minutes

Tools Typically Needed

Screwdriver

Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

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K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!


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