K&N RC-5178: RC-5178 Oval Tapered Universal Clamp-On Air Filter Flange Dia - F: 3.688 in., 94mm
3.688 in. (94 mm) Flange Diameter
Oval Tapered Clamp-On Air Filter Flange Dia - F: 3.688", 94mm Length L: 7.875", 200mm Base Dim MA: 10.25", 260mm Base Dim SA: 7.188", 183mm Top Dim MA: 9", 229mm Top Dim SA: 5.375", 137mm Top Style: Rubber Flange Length FL: 1"