Baja GT - 316mm Front and Rear
LGT Front
RB OE Caliper Rear Brakes with 2 Pot or LGT Caliper
If we wanted to do 4Pot WRX Fronts we would need to use
Front
2 Piece STI Rear Rotor Ring 316x20
http://www.racingbrake.com/STi_REAR_p/d205-01-311.htm
Then produce caliper bracket for 4 Pot and possibly use shims for the pads.
Rear
316x18
http://www.racingbrake.com/LEGACY_GT_REAR_05_08_p/2060-141-0.htm
Mel's Upgrade:
06WRX Upgrade - 316x20, 316x18
STI Hybrid Rears
RB OE LGT 2POT WRX Mod
