Agency Power 22mm Rear Adjustable Sway Bar Subaru STI 04+
Replaces your factory 17mm bar with this 22mm 2 Way Adjustable Sway Bar. This bar will give you a wider range of adjustability, giving you a stiffer chassis, more control, and is the ultimate choice for serious road racers and street drivers wanting maximum handling capabilities. The larger sway bar will help increase more over steer to help bring the rear end of the car around like a rear wheel drive vehicle. Our rear sway bar works great with the Agency Power sway bar links and front adjustable sway bar.

In addition, Agency Power includes heavy duty sway bar mounts and bushings.