What is your favorite performance muffler?

I've got an Accurate Exhaust system on my Challenger with their HP mufflers.(no H or X pipe) The 318 sounds good and matches the look of the car I think. I don't want the Dart to sound anything like this though.
[ame="http://www.youtube.com/watch?v=a5ANN7TQrIg"]73 Challenger Rallye - YouTube[/ame]

Here's what I want the Dart to sound like...
[ame="http://www.youtube.com/watch?v=GbVJwJrbhAg"]The 71 Blue 'Cuda off to a new home. - YouTube[/ame]