Hardrace 17mm Rear Anti-Roll Add-On SwayBar | Honda Civic Type R | FK2 2.0T K20C1 | 2015-2016Hardrace 17mm rear anti roll sway bar Anti roll sway bar affects the handling and the cars oversteer and understeer. It ties the lower suspension links together across the front or back, will keep your car flat in turns instead of leaning over to one side. Hardrace sway bars provide better control especially at high speeds cornering . Designed for direct bolt on . Correction of under or oversteer . Improve more grip and better handling . Increased