Unfortunately it sounds like the new owner is having problems getting it registered in Finland. Sounds like he will have to put the exhaust and emissions back to stock at least to get it registered.
Just checking back in with you guys. New owner has contacted me with a few questions so kinda sparked me to revisit this thread. So we had the Z51 for about 3 months, we traded that for a 2017 Grand sport. Few cosmetic mods but this car really does not need much at all in the performance area.
I really lost interest in the car after the rebuild and breaking the tr6060. Every time I drove it I would have to clean it and cover it, plug it into the battery tender. Only drove it maybe once a month. E85 is scarce in my area so that was another factor. The car is only worth $12K from KBB so...