UMI Performance 05-14 Ford Mustang Rear Sway Bar- 22mm Solid CrMoUMI Performance 22mm solid rear sway bar is designed to reduce body roll, oversteer and increase cornering capabilities resulting in a more balanced suspension. This rear sway bar is more rigid than the factory rear sway bar and bolts directly in place with no modifications. UMIs Rear sway bar is manufactured from 22mm solid 4140 CrMo steel, CNC bent and formed as one piece to ensure maximum strength and performance. This kit includes light weight CNC