K&N Universal Chrome Air Filter Includes Adjustable Flange Inserts that allow user to fit this filter
to either of the following intake pipes; 2.25", 2.5", 2.75" Inlet

Product Specifications
Height 4.5 in (114 mm)T
Top Outside Diameter 3.5 in (89 mm)
Base Outside Diameter 4.5 in (114 mm)
Filter Material Cotton Gauze

Adjustable Flange Inserts to fit the following OD Pipe
Flange Inside Diameter 3 2.25 in (57 mm)
Flange Inside Diameter 2 2.5 in (64 mm)
Flange Inside Diameter 2.75 in (70 mm)

Flange Length 1 in (25 mm)
Top Style Metal (Chrome)
Package Quantity 1

Product Box Height 5.5 in (140 mm)
Product Box Length 7 in (178 mm)
Product Box Width 6.5 in (165 mm
Weight 1 lb (0.4 kg)