For the Veyron they had to work a lot on aerodynamics. The aerodynamic lift at 400km/h would usually make any car go airborne, so they had to find ways to preve

For the Veyron they had to work a lot on aerodynamics. The aerodynamic lift at 400km/h would usually make any car go airborne, so they had to find ways to prevent this without increasing drag too much.