Cusco Rear Trailing Arm 2008-2014 WRX / 2008-2014 STI

Cusco’s rear trailing arm is engineered to control unwanted forces during acceleration and braking. The adjustable pillowball design helps prevent wheel hop and reduces vibration under power while maintaining smooth and controlled braking performance. Its adjustability allows you to fine-tune rear alignment, giving you the ability to optimize handling and achieve maximum performance.