Originally Posted by footie
Another problem with racing at up to speeds in access of 170mph on public roads is not everyone will be as committed or foolish as you. Where they may race you up to 130mph their willingness to continue to the max at full trust might not be there. So you may have felt that your M3 was quicker than a 997tt but the reality was that you had just been the more daring.
Very likely. Personally, I'd back off at different speeds whenever I deem it's no longer safe depending on traffic and road conditions.