K&N Air Filter Round Tapered 6 Base OD 5.563 Height 5 " Top OD 3 " inlet RX-4990

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    0.96 oz (28 ml)
Flange Inside Diameter    3 in (76 mm)
Flange Length    1.75 in (44 mm)
Flange Type    Centered
Flanges    1
Footnote 1    1/4-20 Jack Nut Into Top
Height    5.563 in (141 mm)
Package Contents    1 Air Filter
Package Quantity    1
Product Box Height    7.75 in (197 mm)
Product Box Length    6.81 in (173 mm)
Product Box Width    6.81 in (173 mm)
Product Style    Round Tapered Universal Air Filter
Top Material/Finish    None
Top Outside Diameter    5 in (127 mm)
Top Style    X-Stream
Weight    1.5 lb (0.7 kg)