Cusco Rear Trailing Arm - STI & WRX 2008-2014 / Impreza 2008-2011

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.