Found it.
#7 on this thread:
http://986forum.com/forums/performance-technical-chat/55762-986-aero-cooling-mods.html
Not necessarily the cutouts to each side of the plate area... where the delete plate might be. US license plate in the middle... room enough on each side for a pipe.
Then there's the fabrication... and muffler... California compliant.
I like that look.