One or both? With the seat in the right the RECARO is not centered.

https://denver.craigslist.org/pts/5686054848.html

















eH.

 

Can you get pictures of the bottom? Diaphragm usually is a good judge from a knock off. Little things, like touch and feel of the adjustment *****. Legit recaro will be a hard rubber. Most fakes are plastic.
What rails are they sitting on? The german lettering looks correct though.