Will it fit?

No no. I wasint being sarcastic, I have to do my trunk floor and was thinking about the one piece too. Never thought to go through the bottom

Yeah, I just didn't want anyone to interpret my statement as being sure about what would work. But yeah, the research certainly indicates replacing it as 2 pieces, or doing some other modification, unfortunately. The from underneath thing seemed a logical alternative to me, but... nothing is ever that easy, eh?!