These mud flaps had to go.. The bottom lookeds like parachutes.
However, when they were gone that seemed to open the wheel well into a large open area inside the rear bumper. Which might cause more drag and might fill up with snow in the winter..
So, I cut the bottom (flap section) off and re-installed the two rear semi-flaps.
Looks pretty sweet now..
Here's a shot from the rear, showing the large cavity that's no longer so badly exposed to the left rear tire.
I'm pretty sure this change will have only a slight effect on the CD, but it is very likely to be helpful when driving in snow.