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Old 03-19-2022, 08:47 PM   #4032 (permalink)
freebeard
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That started with reducing downforce, so the massive wing was replaced with two fins inspired by F-15 fighter jets. These fins "clean up airflow over the rear end," which helps increase high-speed stability.
This is the car that I saw and then couldn't remember.

Vertical fins aren't going to reduce downforce. It's actually the concave contour at the rear. IIRC the 'spoiler' area gives a surface for the air to push down on.
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