Exhaust Manifolds with Dynomax Mufflers?

Which Dynomax muffler, they make more than one. ;)

My Valiant, I have Dynomax Super Turbo's,
dual exhaust off the stock 273 exhaust manifolds.

The engine is a 318 with a mild cam, which also affects the sound.

http://www.youtube.com/watch?v=Ud8mci4rjFU