I think i saw one of these videos along time ago. It sounds incredible. They are able to nail their signature high pitch tone on every car exhaust system they make. I could never justify spending 10k on the exhaust system (maybe if i was rich and could afford the car new :D), but wow…it is wild.
I wonder how this coupled with the newly developed long tube headers would sound like…
http://kreissieg.com/new_gallery/audi/s8/stainless/img009.jpg
https://www.youtube.com/watch?v=SCGcMabTmfI&list=PL4133E0C8CBAAB509&index=8