K&N part number RG-1001WT-L.
Includes rubber ring adapters for 3", 3.5", and 4" adjustable fitting air tubes.
See last photo for filter dimensions.

Application Guide:

Package Contents1 Air Filter
Air Filter MaterialCotton Gauze
Package Quantity1
WashableYes
Flange TypeCentered
Flange Inside Diameter4 in (102 mm)
Air Filter ShapeRound Tapered
Top MaterialChrome
Top StyleMetal
Top Outside Diameter4.75 in (121 mm)
Height5.5 in (140 mm)
Flange Length1.125 in (29 mm)
Flanges1
Base Outside Diameter6.125 in (156 mm)
Warranty1 Year Limited
Air Filter ColorWhite
Product StyleRound Tapered Universal Air Filter
Outside Diameter6 in (152 mm)
Weight1.7 lb (0.8 kg)
Air Filter Large End Diameter6 in (152 mm)

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