Definition
Venturi tunnels and side skirts were pioneered in Formula 1 ground-effects era.
Modern cars use diffusers and flat floors for similar principles within regulations.
Automotive Wiki
Body & Aero
Ground Effects
Aerodynamic devices using underbody airflow to create suction toward the track surface.
Related terms
- DownforceAerodynamic load pushing the car toward the ground at speed, increasing grip.
- Front SplitterA horizontal extension under the front bumper creating low-pressure airflow and …
- Rear WingAn airfoil mounted on the trunk or hatch producing rear downforce.
- DiffuserAn underbody expansion accelerating air exit at the rear, reducing pressure and …
- Widebody KitFlared fenders and extended panels covering wider wheels and tires.
- Roll CageA welded tubular structure protecting occupants and stiffening the chassis in im…
Category: Body & Aero · Updated August 31, 2026