Originally Posted by HDDP
Why bother with larger rotors and the same 2 piston calipers that the car already has on it ? That's not going to help you !!! Trust me, the best thing you can do with your brakes (for a reasonable price) is upgrade to the SRT6 calipers & rotors with Porterfield pads and ATE Super Blue fluid...
The limited XF doesn't have twin piston calipers, mine has the single piston front calipers, while the Kompressor has upgraded brakes compared to Limited XF. But I'm not gonna argue about it yet since I'm still looking for the brake specs.