Whiteline 22mm Rear Sway Bar KitEngineered to 'Activate More Grip', Anti Roll bars are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are spread more evenly across the tires thereby increasing cornering grip and improving outright performance. This Whiteline 22mm Anti Roll bar = more grip = better handling = outright performance it's the best dollar for dollar handling improvement you can make to your Toyota Yaris. In fact, benefits extend to