WTF??
yeng sure very yeng lar...
but...
wakaka~
what down-force?
180kph?
the car can fly half and terbalik lar...
maybe no down-force at all...
erm...
if do so oh...
I suggest him to cut a big piece of woodabout 4 meters high and poke it on the rear seats....
wakaka~
a car want down-force only will makan minyak and hard to speed...
the car don't have such torque what for apply any down-force??