This setup was just finished. I did about half the work and had my stereo shop do the rest. The box goes in place of the spare tire and has a fiberglass bottom so that it didn't have to be sealed to the trunk floor and so it is still removable. It accomodates two 10" subs and has room for the targa top. The sound is very good and hopefully I can upgrade the subs and amp sometime, but for now the box is exactly what I wanted.