looks like a good deal I hope they have sound clip soon and more installation photos.
from CNT Racing website
The new CNT Racing cat-back exhaust system for the R56 MINI Cooper S is one of the highest quality and best sounding exhausts on the market for the R56. It features dual tips and 2.5" piping to guarantee free exhaust flow through your turbo Mini. It's designed to bolt up to the stock downpipe and eliminates the second cat. All necessary hardware and gaskets are included.
Fits the following MINI models:
R56 2007-up Hatchback Cooper S
CNT Racing 07-09 R56 S Catback Exhaust system (blue tips)
Here is youtube sound clip
http://www.youtube.com/watch?v=KNZPLH7tXBk