It looks like you're new here. If you want to get involved, click one of these buttons!
Ratlee2, yes the carpet and interior dimensions are the same. The difference in length between the two cars is all within the front end (firewall forward).
I'd also second Bob's Auto Top for Hudson carpet. I replaced my '49 carpet last winter and was really impressed by the quality of the carpet, as well as the Hudson knowledge of Bob Rosol.
Trunk mats are available at a couple of places;
21st Century says you must state year, so it does sound like they have the later one, but only show a picture of the early model. I believe the only difference is the cut-out (square for bracket vs. oval for spare tire) in the middle. Outer dimensions should be the same.