Eibach F&R Adj 25mm/22mm Sway Bar Kit | Subaru Impreza WRX STI (7718.320)Sway Bar Kit Front Adjustable 25mm Rear Adjustable 22mm by Eibach Complete your performance suspension upgrade with the Eibach ANTI ROLL KIT performance sway bars. While the Eibach Pro Kit and Sportline performance spring kits are regarded as the primary suspension performance enhancement, the Eibach ANTI ROLL KIT sway bars substantially reduce body roll through increased design stiffness over your vehicles stock bars. The impressive results are