Hello Harry, received your pm message, its probably best if I posted out here for all to see.
Aeroman also had the same system, needless to say I was extremely happy with it, it had a deeper bass note, but on part throttle, its also quite as well.
Anyway, here's the link..
http://www.talkmorgan.com/ubbthreads.php/topics/7990/Side_pipe_exhaust#Post7990
