With this C7 ZR1's HPE1200 performance upgrade completed, it was our pleasure to visit the Pennzoil Proving Grounds for a round of validation testing. This is the most advanced C7 Corvette upgrade we offer and we find its sound and acceleration to be simply incredible.
Get a warranty-guaranteed upgrade for your C7:
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Would you like to learn how to make fast cars faster? Check out Tuner School where our classroom includes a chassis dyno cell and a 1/4 mile dragstrip - all on the Hennessey Performance campus!
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