Compressor surge full throttle example

Real compressor surge at acceleration example.
You can hear it, you can feel it, and here you can see it.
Car cant pass cca 3000rpm with 0.5bar of boost at full throttle.
Turbo is cheap china GT28 , ugly designed with old large compressor wheel. Car is fiat 2.0ltr 5cyl turbo.
I made a tricky solution , due low cost for car owner , but highly advised only correct way, change whole ugly turbo.
Turbo pumpgrenze
Основы турбонаддува