220-mph Volkswagen Passat @ Bonneville, 2015

[freebeard]

¯\_(ツ)_/¯

[aerohead]

In Fachsenfeld's 1951,'Aerodynamiks des Kraftfahrzeugs' , he discussed how the drogue-effect of 'open wheels' at the rear of a racing car helped with high-speed directional stability.
That's all I can think of.
'Spinning' at high speed can get one airborne in a hurry!