Quote:
Originally Posted by Taylor95
What do those strakes do?
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Strakes on racing cars on diffusers are reported to control vortexes for maximum DF, I suspect the consumer versions are more for cosmetics. I disagree with the blanket statement on this thread of what are NOT diffusers. I think the critique should be more directed as to their effectiveness (likely not much in the examples), and OP should also set a goal, DF, Drag reduction, looks or some combination, for his needs.