The custom exhaust was my old one, and the Yosh' is my new to me(but older model)exhaust system. I definetly like the sound of the Yosh' system. In my opinion it's loud enough to get attention but not loud enough to get it from the law. It's got a really nice deep tone also. In comparision I guess it sounds just like any other liter-bike system.
Yeah my stupid seats been giving me fits lately too. Mines getting it on straight. But then again right now I have no fairings on mine.