bmwtye

Here is a breakdown of what you can kind this setup for. You could substitute a rep wing if you want total cost to be lower. This setup has no obstruction of the rear view mirror.

997.2 PMNA GT3 Cup deck lid - $1500-$2500 used
2010 OEM RS rear wing - $3000 used
997.2 PMNA GT3 Cup Wing Uprights - $265 each new
997.2 PMNA GT3 Cup Wing Endplates - $300-400