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Old 01-08-2021, 06:50 PM   #18 (permalink)
JulianEdgar
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Quote:
Originally Posted by MeteorGray View Post
I would assume that the use of front-of-tire-protuberances, whatever anyone chooses to call them, would have to be designed for and tested on specific vehicles, like other aerodynamic features need to be.

Anyway, I have faith that Mazda put them on my car for some good reason.

I can't prove that, however.

I know of at least one guy who replaced one that went missing on his car.

Faith is blind :-)
There is plenty of evidence that front wheel deflectors reduce drag. But only by a small amount - eg 1 per cent. As I say, I doubt if it would be measurable by any on-road test.
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