McLaren, Ferrari and Red Bull have all registered updates for the Saudi Arabian Grand Prix, each pursuing different areas to improve their Formula 1 cars at the Jeddah round.
To improve its MCL39, McLaren has reworked its diffuser to extract more performance towards the rear, which pairs up with a new series of winglets mounted to the rear brake duct to boost the aerodynamic efficiency - i.e. retain downforce at a lower level of drag.
