Also 4-dr trunk pan is about 1" longer than 2-dr.
71-4 rear frames are the same for both 2 and 4 door.
I have found 3 different 72 front floor pans. Just minor differences and all will fit both 2 and 4 door.

72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com