Perrin [08-21 WRX/STI, 17-21 BRZ] Rear Adjustable Sway Bar 25mm | PSP-SUS-234 Audio Equipment With large inlets and outlets

With large inlets and outlets

The dual-ratchet design features hardened tool steel teeth that mesh with a heat treated chromoly piston

and strong top-end power

Engineered for high flow and precise boost control

it delivers both functional downforce and a bold

Perrin [08-21 WRX/STI, 17-21 BRZ] Rear Adjustable Sway Bar 25mm | PSP-SUS-234 Audio Equipment With large inlets and outletsHere, you are looking at the Perrin 25mm Adjustable rear sway bar for your WRX, STI, BRZ, or 86! Take your vehicle's handling to the next level with PERRIN Performance sway bars. Upgrading your sway bar is the easiest way to improve vehicle handling. Sway bars increase roll resistance and modify vehicle balance. In general, adding a larger rear sway bar increases over steer, and adding a larger front sway bar increases under steer. Upgrade both front