K&N RU-0600: RU-0600 Round Straight Air Filter Flange Dia. (F): 2.25 in. (57 mm)
2.25'' (57 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 2.25'' (57 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''