Torque Solution rear trailing arms for 2015–2021 Subaru WRX and STI replace the factory rear trailing arms with vehicle-specific components. These trailing arms are intended for direct-fit rear suspension service or upgrades on WRX/STI models in the listed years, providing the correct geometry and mounting points for the stock rear subframe and suspension layout.
Torque Solution Rear Trailing Arms - 15-21 Subaru WRX / STI