K&N RX-3900-1

Universal Air Filters > Universal X-Stream Clamp-On
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   1 Customer Review
List Price: $110.60
Your Price: USD $70.99

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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 K&N XStream Top Air Filters]
  • Pleated filter built in top
  • Washable and reusable
  • Low restriction
  • Clamp-on design

Product Specifications

Air Filter Large End Diameter6 in (152 mm)
Air Filter ShapeRound Tapered
Base Outside Diameter4.5 in (114 mm)
Filter MaterialCotton Gauze
Filter Re-Oiling Amount0.76 oz (23 ml)
Flange Inside Diameter3 in (76 mm)
Flange Length0.875 in (22 mm)
Flange TypeCentered
Footnote 11/4-20 Jack Nut Into Top
Height4.625 in (117 mm)
Inner WireNo
Package Contents1 Air Filter
Package Quantity1
Product Box Height7.25 in (184 mm)
Product Box Length6.5 in (165 mm)
Product Box Width6.5 in (165 mm)
Product StyleRound Tapered Universal Air Filter
Top Material/FinishNone
Top Outside Diameter6 in (152 mm)
Top StyleX-Stream
Weight1.1 lb (0.5 kg)

Product Reviews

Review part RX-3900-1
Thursday, November 13, 2014 - Part RX-3900-1
The product seemed great. I just needed to order several different types to see what fit on my experimental aircraft. It turned out to be a little oversized. After I ordered 3 different types I found one that worked.

Matt Candelaria