http://cgi.ebay.com/ebaymotors/MINI-...item414b0232f7

With a 1" EMT 90, and piece of 1/4 plate for a flange, a 8" baffle, a brazing torch, some rod, about $12 and an imagination you could build a really cool stack.

Here's mine.









I can't help you with the imagination, you're on your own.

Scott