Hiya dog,
Now right off the bat let me be clear that I am not knocking the exhaust that Loxy linked.
However, let me lend just a bit of advice concerning stainless steel exhaust systems. On the face of it they sound great in terms of preventing the rot one typically sees in Bus or Bug exhaust systems. But in speaking with a couple of Bus owners who have used these stainless exhaust systems for better than two years it seems that these stainless systems can rot from the inside out. Apparently the combination of heat and exhaust gases (along with moisture from condensation) wreaks havoc inside these things.
This alone would not put me off looking seriously at a stainless. But I would definitely want to talk to folks who had been running that particular exhaust for some time and get their perceptions before I put my cash on the counter.