Detroit Auto Show: Dodge Viper SRT-10 Mopar concept

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While the new 600-horsepower Viper was attracting all the press at the Detroit show like so many moths to a flame, around back at the Dodge booth sat a tricked out beast dripping venom from its fangs, a showcase of what the Chrysler Group's aftermarket performance division Mopar has in store for the company's juiced up new flagship.

As impressive as the magic 600-horsepower figure is in the new Viper, it's no huge mystery how Dodge squeezed out the extra 90 horses over the old model. "No replacement for displacement" is the name of the game, and the Viper's engine is a monstrous 8.4-liter V10 from which Mopar tapped an additional 75 horses (thanks largely to better cooling) for a total of 675. (Yes, that's right... 675 horsepower. In one car.)

To go with the added juice, Mopar fitted an adjustable suspension and blacked-out 19" lightweight alloy wheels with accompanying Michelin rubber. The Mopar Viper was also displayed in a striking anthracite-gray paint job with an offset neon-red stripe running up the front, over the roof and on to the giant rear wing. You know, just in case the *ahem* ordinary Viper wasn't visually imposing enough.

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