“And the band played ‘Screaming for Vengeance,\' and we agreed that the world is mostly manacled.” So sang Craig Finn on 2006\'s Boys and Girls in America. And sure enough, the Viper has traction control now, making it at least kind of manacled. Does it matter much? You\'ll probably never buy one. You will, however, soon be able to enjoy SRT\'s reinvention of the V10-powered piledriver in Forza Motorsport 4. Casting the shackles of government regulation and common sense aside, you can, of course, turn off all of the nannies in the video game and let slip with a barbaric, Halfordian yawp while you try not to screw up through Adenauer Forst. And then you can try again. For more exclusive Viper Week content, including the latest news as it happens, check out Autoweek\'s Viper Week.