4” diameter muffler body, Loudest version of canister, Very light weight, 2 Year warranty, Improved throttle response, Quick and simple installation, Huge weight savings, Made from 304 stainless, Uses stock springs and hangers, Dyno proven performance, Flo-bench tested for back pressure, PREGUNTA POR COMPATIBILIDAD PARA TU MOTO, LO RECIBES EN 7 A 10 DIAS , ENVIAMOS DE EUA