I agree but there is much more design put into it then "just mounting" a funnel to your car. Nothing is that simple in engineering.
Also was this topic on ES or Camary not an IS.
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Smoothing out the underside of a car to clean up the air flow is not exactly rocket science. In fact, it's not even an IS that Lexus turns over in their commercial. I did mention other models, didn't I?
This statement
doesn't imply anything but Lexus, to the reader. But hey, I'm not one to quibble about petty things like that. If I was, I would mention that I've never seen a Camary.