RacingLine Rear Body Brace Audi S3 & RS3 8V Sedan OnlyWant to sharpen up your Audi S3, RS3, Octavia handling responses? Our beautiful billet and carbon Rear Body Brace reinforces the bodyshell at its weakest point for a more precise and pleasurable drive. TIGHTEN UP YOUR DYNAMIC RESPONSES WHAT DOES IT DO? Modern cars like the MQB platform run 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