The K&N RP-5135 universal clamp-on air filter uses oiled cotton media with a carbon-fiber top and base for strength and a lightweight finish. It features a pliable flange for flexible fitment, an inside flange diameter of 3‑5/16 inches, a 2‑inch flange length and a height of 4‑13/16 inches, plus a threaded top hole for a 6 mm mounting bolt. A one‑year limited warranty is included.
K&N Air Filter with Carbon Fiber Top and Base