Genesis Coupe 2013+ bumper spacer for easy intake mod

While working on the car I decided to do this project, the "Easy intake mod":
http://www.gencoupe.com/3-8-v6-discussion-2013-up/440546-easy-stock-intake-mod.html
It involves removing a plastic baffle that improves airflow to the intake of the car (works, BTW).
When you finally figure out how to get it detached from the bumper (there are clips that hold it on. start at one side and work your way in) you are left with some plastic trim bolts that only loosely fit (see the second photo on that t