Cusco Rear Trailing Arm 2008-2014 WRX / 2008-2014 STI
Cusco's rear trailing arm controls unwanted force under acceleration and braking. Cusco's adjustable pillowball trailing arms prevents unwanted wheel hop and vibration under acceleration while providing smooth braking at the same time.
This Trailing Arm is adjustable allowing you to fine tune your rear alignment for ultimate performance.