He has released a “Bravo” package which he shows on the First C8 Corvette Convertible to get a Twin Turbo set up.
He also created and just released a C8 Tuner to help with ECU adjustments including the mass air flow calibration.
Per Alex Peitz Twin Turbo C8 Convertible video description:
The research and development phase is finally over! We are proud to present the first and only twin-turbo convertible C8. This video focuses on the results after we have installed our base Bravo package not utilizing methanol or a boost controller.