Oh fine, but the camera blows:

Start-up inside with all windows and sunroof open, and a little drive around:


Full-throttle, windows open:


Normal driving and hard take-off with windows up:


Hard take-off, outside:


Normal take-off, outside:


Edit: It is the race version, the previous owner had it on there (so it's broken in) and I just got it from him. He had factory 4.6 tips put on, so it looks stock.

In addition to Porsche exhausts mentioned above, Eisenmann also makes most of the AMG exhausts, which is why they very rarely make Mercedes exhausts or make them years after the model first went into production.