StopTech 2015 Subaru WRX Big Brake KitOnce you've fitted every power mod you can think of onto your '15 WRX, it might be beneficial to upgrade your brakes.
Source: StopTech 2015 Subaru WRX Big Brake Kit (http://www.superstreetonline.com/how-to/aftermarket-parts/1508-stoptech-2015-subaru-wrx-big-brake-kit/)