Originally Posted by dex37
Brembo uses a smaller rear rotor for the GT. The GTS has a slightly bigger rotor at the rear axle than at the front. That's why I was wondering what is it good for.
Brembo has 380 and 365 for the front; 380 and 345 for the rear. You can combine it 380/380, 380/345, or 365/345.
The GTS has 378 front, 380 rear, which is basically the same (just Germans being Germans
) 2 mm is quite negligible IMO.