Okaye, i no none of you ride 50's but there might be some youngons like me on the site! anywho the exhaust has a twin end can,  has a awsome 2 stroke sound to it! was on my bike for about 4months, but i was given a brand new kundo from my dad, so this has to go! open to senssible offers, it fits 99-04 Aprilia rs50's