He means Waldron's. I've heard good things about them.
I was pleased with the dual exhaust system I bought from Classic Exhaust about ten years ago. They're under new management now, so I can't say much, but when I ordered mine, the web site said they had a 6 week lead time, I called and spoke on the phone to the owner for a few minutes, placed my order, expected to wait a month and a half, and had my system in four days.