Tie rod ends and shafts won't swap over. Braptor is ~3.45" wider per side and the shafts are slightly longer yet, due to the slightly higher ride height. Longer shafts are available from Ford Performance, Spicer, and RCV (re-stickered Spicers with orange boot). Tie rods obviously need to be longer also. In addition, Braptor uses an M14, instead of the M12 and thus has a larger ID for the taper in the knuckle.
If you ever plan to re-gear or axle swap, the computer becomes the next obstacle. If ABS sensor wheel speed doesn't match what the transmission speed sensor says it should be, it will go into limp mode. Not sure if anyone has been able to figure out how to "re-gear" the computer, Only way to do it is to send the computer to the Ford programming people somewhere in Europe. Axle swap is another issue with this, trying to mimic the OE sensor input.
I laid out some of the issues with SAS earlier, if you need further info, just ask. This route does get rid of the 29 spline outer hubs.