K&N Engineering RU-0500 Universal Round Straight Air Filter - Rubber End Cap electrical Integrated reflective material located on

Integrated reflective material located on the rear vents help with nighttime visibility

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K&N Engineering RU-0500 Universal Round Straight Air Filter - Rubber End Cap electrical Integrated reflective material located onMounting Flange Inside Diameter 2 1 16in. MM 52, Filter Outside Diameter 3 1 2in., Filter Length 4in., Flange Type Centered. When selecting one of K&Ns universal round straight air filters, you should consider the following dimensions as they relate to the specification chart:. Mounting Flange Inside Diameter This is the most critical dimension and should be very close to the diameter of the applications inlet flange. The flange will stretch up to 1