ISF diff(LSD) bump noise and shock

Please test your isf

Slightly put on the gas on 50mph ( manual mode, 8th gear )

You can feel bump at the rear of the car ( feel like diff )

I've heard that many ISF have this noise and shock

Could anyone have any data about this problem? not just guess

Many said that this is normal cause high performance car which have lsd

But with that being said, every high performance car like c63 should have this problem too