To evo, the right rear wing or spoiler is an intrinsic part of the car it's attached to. For some cars, it's so integral to the vehicle's styling and dynamics that it helps define the car itself.

Lancia made many changes to its homologated hatch for the ‘Evo’ version ... the point. The spoiler now possessed the rarest commodity in the world of aerodynamic road-car addenda: credibility.