Hennessey Plans to Inject Some Powerful Venom to 2013 SRT Viper

Leave it to Hennessey Performance to take an already viciously powerful sports car like the brand-new 2013 SRT Viper and tune it to the extreme.

As with any other proposal from Hennessey, it all starts with a heavy tuning of the SRT Viper's 8.4-liter V10 engine, which in stock form, delivers 640 horsepower and 600 lb.-ft. of torque to the rear wheels via a 6speed manual gearbox.

Hennessey will offer two performance packages for Chrysler's finest sports car.

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