rear spoiler, front wheel drive car...
InTeGrA RaCeR - a bigger than stock spoiler - and faster than normal speeds can make for a dangerous handling car.
Do what you want with your car - it's your car - but remember that form follows function.
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"If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower"
-Mark Donohue