Here's a link to a write-up I did for my '06 convertible: https://www.allfordmustangs.com/forum...r-project.html
I currently have a 2012 vert'. The same box fits, but the '12s have a 'bump' in the floor that I need to gouge a little space for in my box. Since the box is MDF, a simple file will do the trick. I plan on getting this done in a few weeks, as the Shaker500's lack of bass is killing me!