Now you can hang gold two-pot Brembo calipers from the older 2004-07 WRX STI on the rear of your 2015-2021 WRX. This kit includes two brackets, all the bolts and washers you need, and two STI rear rotors. (You cannot re-use your existing WRX rear rotors with the Brembo calipers.)
Includes two brackets, hardware, and two STI-sized rear rotors.
Fits all 2015-2021 WRX.