Hardrace Rear 17mm Add-On Sway BarSway Bar affects handling and the car's oversteer and understeer characteristic. It ties the suspension arms together across the front or rear end and keeps your car flat in turns instead of leaning over to one side, offering better stability and handling response especially at high speeds and cornerings. Features: Designed for OE direct replacement Hollow internal structure Heat treated Correction of under or oversteer Improve handling performance