Yep. I have a 2019 991.2 GTS. It has factory ppf, but I added some magnetic black carbon fiber looking protection over the top of that. Too bad some of the taco area taking the beating is plastic because a similar magnetic solution would have been cool.
However isn’t a downside of your approach that the manufacturer can clearly see that the
System has been modified by an “unauthorized “ controller vs the piggyback may leave some questionable readings but cannot be conclusively assigned to an outside “unauthorized “ system?
This is from the spec sheet
Overall height 75.8
Inside bed length 60.3
Inside bed width (at tailgate) 53
Inside bed width (between wheelwells) 44.7
Overall width 79.9
Wheelbase 131.9
Inside bed depth 21.2
Inside bed width (at accessory rail) 56.4