Hey guys, hope i'm posting in the right spot.. :-s I'm looking at doing a bit of custom work to my exhaust, but just wanted to get some input before i decide on my final plan. Basically i want to be able to change the sound of my bike easily. I have looked at the Jekill and Hyde systems for harleys, and i'm kind of thinking it would be a bit expensive. Unfortunately i'm unable to just get a slip on for my bike, so a little bit of custom work is near enough the only option. What i was thinking was to have a straight through pipe with an adjustable muffler on it (telescopic style) so that i can shorten and lengthen it. I would then be able to move it so that the pipe finished at the start, 1/4 1/2, 3/4 and the end of the muffler. My main question is, would this be legal? would it make enough of a difference sound wise? Any drawbacks for power? Most importantly, has it been done? I'd love to see it.