I have been arguing with the TÜV and the Landratsamt for a long time now and get a short number now. That is, either R-TT 83 which would fit well with the TT, or R-A22 which of course fits exactly into my built-in USA bumper. R-A 22 would be pretty short, but R-TT 83 nice. What would you take? Mfg TTTuner