A row between the main Formula 1 title rivals erupted during the Singapore Grand Prix weekend after the FIA forced McLaren to change their rear wing after a complaint from Red Bull. McLaren was spotted using a ‘Mini-DRS’ system during the Azerbaijan GP on Oscar Piastri’s car, whereby the upper flap of his rear wing deflected upwards and opened the DRS slot gap on the straights. Zak Brown insisted the rear wing was legal as it passed all the deflection tests, but Red Bull had their suspicions due to the top speeds Piastri was able to achieve during the race. Straight-line speed was key to his d…
