It is a multi plate clutch with electronic control of the engagement pressure. Evidently there are ways to tweak the calibration:
https://www.hpamotorsports.com/touchmotion-awd-programmer
https://www.ecstuning.com/Volkswagen-Golf_R--2.0T/Drivetrain/Haldex/Controller/
https://www.hpamotorsports.com/touchmotion-awd-programmer
https://www.ecstuning.com/Volkswagen-Golf_R--2.0T/Drivetrain/Haldex/Controller/