Thanks! But I really don't know how much the car is lowered, because it's build with parts from several cars. So I haven't got a reference.
However, I noted that this thread isn't updated anymore, so here are some new pictures from (more than) a month ago.
LED turnsignals, behind the horngrills and 911 lenses:
914 gauges, painted and chromed (steeringwheel is temporary):
Ahnendorp Road Racing exhaust (little bit too large for the current 1600, but suitable for future plans):
Current result: