Swaybar Rear 25mm 08-19 WRX/STI, 13-19 BRZ/FR-S/86PSP SUS 234 OVERVIEW Add a PERRIN Adjustable Rear Swaybar to your WRX, STI, FR S, 86 or BRZ. Adding a swaybar is the easiest way to improve and fine tune the handling of your vehicle. SIZE PERRIN Swaybars come in four different sizes; 19mm, 22mm and 25mm. Driving enthusiasts will enjoy the feel of a 19mm bar while the more race oriented drivers will like the rigidity of the 22mm and 25mm options. ADJUSTABILITY PERRIN Swaybars incorporate multiple end