K&N Universal Round Tapered Air Filter 3" ID 6" Base 8.688" Height 4" Top Diam RX-3990-1

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

Product Specifications
Air Filter Large End Diameter: 6 in (152 mm)
Air Filter Shape: Round Tapered
Base Outside Diameter: 6 in (152 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: .5 oz (44 ml)
Flange Inside Diameter: 3 in (76 mm)
Flange Length: 0.938 in (24 mm)
Flange Type: Centered
Flanges: 1
Foot note 1  1/4-20 Jack Nut Into Top
Height: 8.688 in (221 mm)
Package Contents: 1 Air Filter
Package Quantity: 1
Product Box Height: 11 in (279 mm)
Product Box Length: 6.38 in (162 mm)
Product Box Width: 6.38 in (162 mm)
Product Style: Round Tapered Universal Air Filter
Top Material/Finish: None
Top Outside Diameter: 4 in (102 mm)
Top Style: X-Stream
Weight: 1.4 lb (0.6 kg)