K&N RU-2590 Universal Round Tapered Performance Washable Air Filter for Intake

K&N RU-5163 Universal Round Tapered Performance Washable Air Filter for Intake

K&N Universal High-Flow Round Tapered Air Filter 3" F x 4.5" B x 3.5" T

K&N RU-3550 Universal Round Tapered Performance Washable Air Filter for Intake

K&N RU-3101HBK Universal Round Tapered High Flow Washable Air Filter for Intake

K&N Universal Performance Clamp-On Washable Round Tapered Red Cotton Air Filter

K&N RU-4960 Universal Clamp-On High Flow Round Tapered Red Cotton Air Filter

K&N RU-3112HBK Universal Clamp-On Air Filter