a few things.
1) Protip, probably don't want your address in the location tab
2) to "sound like a 600" will require 2 extra cylinders and roughly 351 cc's of displacement
3) Claiming safety through noise. Ugh. I love the sound of a performance exhaust as much as the next guy. I have a subtle resonated catback on my DD and I used to have a Muzzy on my 250... but those are for my own enjoyment, not any claims of safety. Riding safely and defensively keeps you safe, not the fart coming out the rear of the bike.