F1’s regulations limit the amount of flexibility permitted, but teams try to find ways to maximize this to improve performance.

Formula One leaders McLaren have modified the rear wings on their cars at the Singapore Grand Prix after talks with the governing FIA following concern from rival teams.

Since the FIA requested McLaren to modify the rear wing to prevent the upper flap from flexing, despite the McLaren MCL38 F1 car passing all FIA checks, fans ha