Quote:
Originally Posted by ChazInMT
Why are these not properly corralled?
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Because VG can work.
They won't give the claimed results regarding FE though.
Despite their tiny size, they ARE working on my A pillars and mirrors .
(noise reduction & altered water flow on side windows)
Yet I fail to see how what is essentially a half-teardrop (and even described by the manufacturer as such) would create a vortex powerful enough to have some effect.
The idea behind a VG is to create a serious vortex, hence they are normally not streamlined shapes.