Where is it?
At the back of the underside, where the floor rises towards the rear.
What does it do?
It manages air leaving the underside and works with the floor to create downforce. Think of it as part of the underfloor system, not a separate wing.
What to watch in an update
Look at the outlet shape and its dividers. Keeping air flowing along the surfaces matters; making the shape bigger does not automatically improve performance.
This guide explains the basic role. The FIA submission gives the stated aim of each individual update.
See Diffuser & rear edge updates →← Back to all parts