Some more ideas:
- Loose the mudflaps. Very short flaps may reduce air resistance, but yours are way too long.
- Set those gurneys ahead of the front wheels in your close up picture at a sideways slant, that will lower the pressure under the car. (they are like that under my car, as OEM)
- Add gurneys ahead of and behind the rear wheels to push the air out and back in.
(the 2012 Insight has gurneys - '
air splitters' - behind the rear wheels. See the link for details.
(EDIT) only registered users see the pictures, sorry. It is basically a rubber strip about a foot long and 2 inches wide, starts about behind the middle of the wheel almost straight aft and bends inwards to about 30 degrees toward the rear.
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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 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.