Optional Audi Cabriolet METAL skid tray,
This item covers the whole of the metal subframe. The Audi subframe is an "open web" design made in Aluminium alloy, so not as aero as our sheet metal "closed" design.
https://www.golfmk7.com/forums/showpost.php?p=662179&postcount=376
Parts sheet:-
https://audi.7zap.com/en/rdw/audi+a3+cabriolet/a3ca/2016-778/8/825-825000/#24
Note there are numerous versions of the tray (ie ducts)
Item No. 24:- 5Q7 825 235 A or B or C or D, skid tray
Item No. 25:- N907 371 07, Fillister head bolt with multi point socket M6x12mm (x 4) For front edge with bumper
Item No. 26:- N909 747 01, Hex socket head bolt M5x16mm (x7) for fixing the wheel arch side edges
Item No. 27:- N907 583 02, Hex socket bolt combi M8x25mm (x9) for the main nine.
I can't find brackets for this & think its a different style fit??