K&N RU-3020: RU-3020 Round Straight Air Filter Flange Dia. (F): 5 in. (127 mm)
5'' (127 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 5'' (127 mm) Outside Dia. (D): 6.5'' (165 mm) Length (L): 9'' (229 mm) Top Style: Rubber Flange Length (FL): 1'' (25 mm) Flange Angle (FA): 0º Flange Offset: 0''