With the help of our friend @cvdzijden we have managed to film not 1, but 2 crazy Lamborghini Murcielago LP640 both fitted with a straight piped Fi exhaust system. You can hear the difference while revving the engine while the valves are open and closed! Check out my friends YouTube channel for more insane videos:https://www.youtube.com/user/cvdzijdenLiked the video? Click the 'like' button, comment, and subscribe!Follow me:Subscribe: http://www.YouTube.com/GUMBALFACEBOOK: http://www.fb.com/GUMBALTVINSTAGRAM: http://www.instagram.com/GUMBALTVTWITTER: http://Twitter.com/GUMBALTVhttp://www.gumbal.tv