K&N RU-1750: RU-1750 Round Straight Air Filter Flange Dia. (F): 2.438 in. (62 mm)
2.438'' (62 mm) Flange Dia. (F)
Round Straight Air Filter Flange Dia. (F): 2.438'' (62 mm) Outside Dia. (D): 3.75'' (95 mm) Length (L): 4'' (102 mm) Top Style: Rubber Flange Length (FL): 2'' (51 mm) Flange Angle (FA): 20º Flange Offset: 0''