DRS (Drag Reduction System)

The Drag Reduction System (DRS) is a movable aerodynamic device fitted to the rear wing of Formula 1 cars. When activated, it opens a flap in the rear wing, reducing drag by up to 10-15% and increasing straight-line speed by approximately 10-15 km/h. DRS can only be used in designated DRS zones on the circuit, and only when a driver is within one second of the car ahead at a designated detection point. The system was introduced in 2011 to aid overtaking, which had become increasingly difficult as aerodynamic downforce levels increased. DRS is controlled by the driver via a button on the steering wheel and automatically closes when the driver applies the brakes. The system has been controversial — critics argue it makes overtaking too easy and artificial, while supporters argue it has significantly improved the racing spectacle. In the 2026 regulations, DRS will be replaced by an active aerodynamics system.

DRS was introduced to Formula 1 in 2011 following concerns that overtaking had become too difficult. The 2010 season, despite being one of the most competitive in years, featured relatively few on-track overtakes. The FIA introduced DRS alongside the KERS (Kinetic Energy Recovery System) to create more overtaking opportunities. The system was initially controversial — Sebastian Vettel called it "artificial" — but has become an accepted part of modern F1. The number and location of DRS zones has varied over the years, with some circuits having up to three zones.