Day 5 Highlights | 2026 F1 Barcelona Shakedown

Exhaust blown diffusers became one of the most influential aerodynamic developments in modern Formula One by using engine gases to increase rear stability through corners. The concept relied on directing hot exhaust flow over the diffuser to strengthen the low pressure area beneath the car, creating additional grip at moments when mechanical load was at its limit. Teams pushed the system into highly refined versions that maintained consistent airflow even when drivers lifted off the throttle, al