For some the 2009 Corvette ZR1''s 638 horsepower is simply not enough. Hennessey Performance solves that problem with their latest creation, the Corvette ZR700. An extensive list of bolt-ons and a custom tune unleash the fury of the ZR1 by boosting horsepower to 705 and torque to 717lb-ft. The numbers are awe-inspiring.
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