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The ducts are pointed opposite to NACA ducts.
If anything, they suck air out from the wheel.
The air coming out of the hole would follow the narrowing duct, moving outwards through centrifugal forces (e.g. go straight on a circular plane). Just like the duct.
If only the air around the car was moving along at the same speed as to not disrupt this effect...
Chances are the ducts were meant to be like NACA ducts but the wheel covers got swapped left and right?
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gmeter or 0.13 Mmile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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