Even so, at around 170 km/h, the vertical flaps open up, therefore lowering the amount of air reaching the radiators Therefore slicing drag. At speeds of around 220km/h, however, the horizontal flap lowers to balance downforce in between the front and rear axles, leading to a twenty per cent change https://cruzwwrog.wikidank.com/1932260/a_review_of_ferrari_engine_repair