Quote:
Originally Posted by lectruck
I have a 2006 xB, I would be nice to make in more efficent. Any thing we can do for underneath the car??
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As I'm missing the front underbody panels, I made my own.
The next big project for me is to fill in (most of) the space between the rear axle and bumper. That's the worst part of the underside of the car.
I also can vouch for blocking off one of the lower grilles-- it doesn't seem to matter which one.