OK, I'm a newbie here and maybe everyone has already seen this but holy s...!
Turn up the volume on your computer real loud and take a firm grip of your seat:
YouTube - 911 turbo porsche rally
bit of a surprise at the end after hitting the rev limiter in 5th!!
Another one to enjoy the sounds of the Boxer 6:
YouTube - Best of Porsche
Enjoyable sunday afternoon viewing!