Success! It was a hell of a lot of work. But I did it.
My solution involves some major cutting of the rear bumper bar. If you only have a Dremel tool or a cutting wheel on a drill it will take serious time and commitment. Also, don’t let your wife see you hacking up your rear bumper…
I will post a DIY with complete details later this week.
About the Brake ducts. I posted a DIY on brake ducts almost a year ago. Just as good as the Stillen ones IMO. I just don’t know what it takes to get Sticky around this place.