Mario, yes. I got it out in the end. It wasn't what I expected. pulling the plastic head rest tubes out took some doing, especially as i was doing it alone. They were seriously tight. I used a long handle from a yard broom to knock the 'barb' in on each tube, to release them.

85 WR quattro
90 V8 Silver, 91 V8 Black, 93 V8 Lago
93 100e quattro V6. Titan, i think