The WRX STi and Lancer EVO are being classed in Touring next year. That should open the door for, at least naturally aspirated, AWD cars in IT.
For example:
Audi 4000 quattro '84-'86 = ITB (@ 100# heavier than front drive)
Audi 80/90 quattro 10V = ITB/ITA (depends on weight)
Audi 90 quattro...