K&N RD-0720: RD-0720 Round Straight Air Filter Flange Dia. (F): 2.5 in. (64 mm)
2.5'' (64 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 2.5'' (64 mm) Outside Dia. (D): 3.5'' (89 mm) Length (L): 6'' (152 mm) Top Style: Rubber Flange Length (FL): 0.625'' (16 mm) Flange Angle (FA): 0º Flange Offset: 0''