By reducing the vacuum behind the rig it makes sense that it would improve stability. I use the Reese dual-cam and have a pretty stable outfit, but I do get some push/pull from the big rigs and I like this idea.
If I did not want to install them along the top I wonder if I would still get a benefit by running them along both sides? I expect there would still be a benefit, but less of one. If I get inspired I might start with both sides and then decide later if I will apply along the top. The rig is under cover for the off-season so I will not be doing anything soon. Just thought this was a neat idea.
Thanks,
Stu