[UPDATE] Our spies have sent us additional images depicting different prototypes. At least one of them was riding on 345/25 ZR21 Michelin Pilot Sport Cup 2 R rear tires.
It was only last Friday when our spies stumbled upon a prototype of the Corvette Z06 testing somewhere in the US and now another one has been captured. This time around, the work-in-progress vehicle was seen testing in Germany around the Nürburgring while flaunting its quad exhaust system and large rear wing.
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