Quote:
Originally Posted by goalbangee
From a simple search on AP Racing Website, BRZ and WRX have VERY VERY VERY similar parts numbers for Caliper Type, Brake Disc, Disc Mounting Kit and Brake Pads(Pads are exactly the same part numbers). Fronts have little different parts number, I'm assuming that because of the brackets. But please explain why these calipers are so similar but yet installing STI brakes on BRZ is dangerous.
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Similar part number is not the SAME part number.
Even the caliper physical shape is different:
WRX/STi:
https://www.apracing.com/drawings/P16.341.pdf
BRZ:
https://www.apracing.com/drawings/P16.318.pdf
Edit: no one cares about caliper size or shape. We care about rotor size, pad size, caliper piston size, and how this impacts brake bias.
-alex