What kit is that? The drawing makes it look like the Zetec S set.
2012 and 2013 are the same, save for the Electric and ST obviously.
If this IS the Zetec kit though, the rear is hatch-only. In fact, I think there's only one rear section made for the sedan currently, and that's from 3D Carbon.
2012 YB ST-Converted Focus Sedan [Performance Ford, Sept '14]
1992 BW Grand Prix SE Sedan [restomod project]