What people see as a C7 not putting down the numbers, is nothing more than GM, through the onboard computer, doing a soft break in. The company is protecting the car and itself from those who would take out a brand new car and beat the crap out of it. Some people should never be allowed in the driver's seat of a performance car.
2015 Z06 ECU Problem is Not Really a Problem - Chevy Hardcore
2015 Z06 ECU Problem is Not Really a Problem - Chevy Hardcore