Just took out my old carpet in the back of the van and installed a new one tonight. See pics:
Old Carpet - Note the new kick boards on the side. I replaced those too. Much cleaner look.
Removing back seats
Back seats removed
Carpet removed
Carpet removed
The biggest pain point was trying to figure out how to remove the rear side panels to get the carpet removed. It clips in on the back sides with a plastic grommet.
The key is to unscrew the little plastic screws that hold the back panels. I thought they were places to secure a net but they are actually screws.
I'll post pictures of the new carpets installed in the morning. it was dark by the time I finished.
Total time took me 2 hours.