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Old 03-11-2015, 06:45 AM   #38
Topless
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Join Date: Nov 2006
Location: Southern ID
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Quote:
Originally Posted by KRAM36 View Post
In the youtube video it says the spoiler on the Porsche creates more drag at the rear of the car.

" the redirected air leads to a lower pressure zone behind the car, which can increase drag"

Having the spoiler up will not improve the mpg.
I guess we will just have to agree to disagree then. Tailgate up always improves highway gas mileage on a pickup. The Boxster spoiler operates under the same principles. Separated bubble.
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Last edited by Topless; 03-11-2015 at 06:50 AM.
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