Stephan, here is a picture of my Kirkey seats. They come is three sizes depending on the size of the gluteus maximus you want to fit but the largest ones will not fit in between the seat belt tabs. They also sell a lumbar pad for all their seats and I would recommend getting them because there is not much padding in the seats themselves and no support for the lower back without them. I just installed the lumbar pads and they feel great and I am looking forward to a road trip.
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