Some pictures working back to front.
Tail pipe
Merge with gusset on the bottom
I need to gusset the hanger, but it will do for now.
As for sound, I like it very much... pleasing to my ears. As for how loud...? I'd call it quiet for aftermarket. Only a hint of sound at lower throttle openings and cruise up to about 2k rpm (but this may change as the muffler breaks in), then one can hear it a little more. Mash the gas and it opens up a bit... still on the quiet - low/moderate side.