During the Motor Sportive Day event in France, I have filmed a MAD Ford Sierra RS Cosworth equipped with an insane antilag system doing some accelerations and revs. The bangs it made was like a gun going off ahah! Follow me also on: - Facebook: http://www.fb.com/NM2255 - Google+: http://plus.google.com/+NM2255 - Twitter: http://Twitter.com/NM2255 - 2nd Car Channel: null