Cusco 20mm Rear Sway Bar - 2015-2021 Subaru WRX / STI / 2009-2014 Forester XT / 2008-2014 Impreza

This sway bar is stiffer than the OEM bar. Use of Cusco's 20mm rear sway bar results in less body roll and improved stability. The vehicle's change in behavior can be felt by the driver. This sway bar is stiffer than the OEM bar. Use of Cusco's 20mm rear sway bar results in less body roll and improved stability. The vehicle's change in behavior can be felt by the driver.