K&N RU-3480 Universal High Flow 5" Dia. Round Tapered Clamp-On Cotton Air Filter

K&N Universal Air Filter High Flow Original Red Premium Cotton Gauze RU-5111

K&N RU-3120 Universal Reusable High Flow 4" Dia. Round Tapered Cotton Air Filter

K&N RU-0830 Universal Clamp-On Air Filter

K&N RU-4600 Universal Clamp-On Air Filter

K&N RU-3580 Universal Clamp-On Air Filter

K&N RU-1750 Universal Clamp-On Air Filter

K&N Filters Universal Clamp-On Air Filter RU-3130