there is a legend that goes by the name of aido, many a story has been told, some claim to have seen him, some claim to have spoken to him. some people still deny he exists and he merely appears in the mind.
if you can get hold of him he has one. was on zee's car before that. very noisy and very intrusive, even better with a s/c too. depends what you want really.
I do know aido was thinking of selling. he isn't about much at the moment so if you want one I can have a word with him.