Perrin '08-'16 WRX/STi Front Black Strut Brace BlackUltra Strong Front Strut Tower Brace, for the most challenging corners! *Performance* With Subarus MacPherson strut design; the vehicles entire vertical suspension load is transmitted to the top of the vehicle's strut tower. For this reason there is inherent flex within the strut towers relative to the vehicle body. During performance driving there is enough flex to alter what should be static camber, toe and caster settings. This change can make