Quote:
Originally Posted by WingsofWar
You know why the diffuser center channel curves upwards? because it doesn't need to be flat anymore. No reason to keep up air velocity after air has reached behind the axles. It doesn't do anything to the downforce or liminar profile on the vehicle by extending it.
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That's not even close to accurate. Airflow out from under the car and it's interaction with the air coming off the rear deck/wing is a huge deal.