Are you running the OEM Pagid/Brembo pads? If not, go back to the VW OEM Brembo pads and rotors. You don't have to get them from VW, but get the OEM parts. Only time this has ever been discussed is when using aftermarket brake parts.
Have you considered new tires? Tires have a major impact on your braking distance.
Have you considered new tires? Tires have a major impact on your braking distance.