Quote:
Originally Posted by StormSS
What's the purpose of the bottom diffuser? Looks like your ready to plow a field. No offense but I think they look terrible. Just my opinion.
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It increases the velocity of the air below the car and decreases pressure, which reduces drag. Look up Bernoulli's principal.
However it only really works with a flat floor that is really close to the ground. So I guess the answer to your question as to what is the purpose of a diffuser on our cars? Looks.