RacingLine Rear Body Brace Polo GTI AWWant to sharpen up your Polo GTI AW handling responses? Our beautiful billet and carbon Rear Body Brace reinforces the bodyshell at its weakest point for a more precise and pleasurable drive. WHAT DOES THE BODY BRACE DO? Modern cars like the Polo AW & other MQB A0 have a pretty stiff laser welded bodyshell. Up front, the chassis is very rigid between the suspension tops, but at the rear there is much more chassis flex which negatively affects vehicle