I made an exhaust system for it over the weekend. It sounds more like a 250cc engine now rather than a 49cc engine and the sound volume is about the same as the kit muffler.
Here are the parts used, the handlebars came off of an old exercise bicycle:
And here is it welded up and on the bike. I think I want to get it chromed but that depends on how much $$$ it will cost.
As I have made quite a few changes to the bike since I last posted any photos of it, here's the other side:
Still not done with it yet, but I am happy with how things are turning out.