Whiteline Steering Rack Bushings the WRX, STI, and Legacy GT. The Whiteline Flat Out Steering Rack Bushings are a great way to get better steering response from your Subaru. The OEM steering rack bushings are very soft and when the steering wheel is turned the steering rack will actually move! The Whiteline steering rack bushing kit will reduce the amount of movement in the steering rack and improve steering feel. This kit will provide the driver with quicker turn in and a significant increase in steering response.