Audi R8 4.2 TTS twin charged

Has anyone seen what TTS has done to this car???!!! taking it from 420hp alllllll the way up to 750! I guess the secret without having to build the engine was the water / meth to keep tamps down

https://www.tts-performance.co.uk/single-post/2016/10/25/Audi-R8-42-ltr-V8
https://www.youtube.com/watch?v=9YCk0bSrRbA
https://www.youtube.com/watch?v=El4_KYudWSg&t=345s
https://www.youtube.com/watch?v=qhmX21hcAO4&t=2s
https://www.youtube.com/watch?v=oaBswxTnRA4

All I hear about the v10 is heat heat heat is such a problem.

What do you guys think?