K&N RX-4730: RX-4730 Round Tapered X-Stream Clamp-On Air Filter
3'' (76 mm) Flange Diameter
Round Tapered X-Stream Air Filter Flange Inside Diameter: 3" (76 mm) Flange Length: 1.75" (44 mm) Flange Type: Centered Height: 6.5" (165 mm) Base Outside Diameter: 6" (152 mm) Top Outside Diameter: 5" (127 mm)