Anyone using , or have an opinion on the Pypes SS exhaust

Here's a stock 318 with the 2.5" X-pipe system and Race Pro mufflers.
[ame="http://www.youtube.com/watch?v=uqbgQfROFbk"]YouTube - Dart exhaust 03[/ame]

I also did this in-car ride-along of tearing around the foothills. Note: It is 5+ minutes that you can never get back.

[ame="http://www.youtube.com/watch?v=LktH07mdljM"]YouTube - Dart exhaust 02[/ame]