>>28526121
https://www.roadandtrack.com/news/a44037360/toyota-gr-yaris-tuned-to-740-hp/
>Amazingly, the engine's internals—rods, crank, pistons, etc.—have been kept totally stock.

Another tuning shop:
https://www.garagewhifbitz.co.uk/gr-yaris-tuning/
https://www.youtube.com/watch?v=FEkOlvMCfo8
https://www.youtube.com/watch?v=gSTzgGDUHXk

Evidently americans are doing something very very wrong or incompetent owners