This video shows a Ford Mustang Shelby GT 500 and a Porsche 997 Turbo S (Convertible) doing several launch controls. So the question is, which one would you take: American muscle or German quality?Follow me:http://www.Gumbal.tv1st Channel: http://www.YouTube.com/GUMBAL2nd Channel: http://www.YouTube.com/GUMBALTV3rd Channel: http://www.YouTube.com/CarChannelClassicFACEBOOK: http://www.fb.com/GUMBALTVINSTAGRAM: http://www.instagram.com/GUMBALTVTWITTER: http://Twitter.com/GUMBALTVGOOGLE+: https://plus.google.com/+GumbalThanks you for watching my videos. All feedback on my videos are appreciated! Don't forget to like the video and subscribe to my channel. More videos coming up!- Hans