What does the 2+2 of the 67 mustang fastback mean?

Question

I keep seeing 67' Mustang Fastback 2+2 For Sale in my search for a project car. But what does the 2+2 mean?

Answer 1

Simple it means  a four seater 2front2rear.

Answer 2

For help with your Mustang, try this group,

http://autos.groups.yahoo.com/group/clas...

Answer 3

2+2 dual exhaust and positraction rearend. In other words 2 wheel drive.