Thank you! this tool is amazing!Ok, I found the offset of the value for lorom/hirom is in the offset 41 (14 for lorom and 15 for hirom) and the offset to activate DSP is in the offset 3D we need to put the value BA. I updated my little tool to add this new features https://mega.nz/#!RBNlkQBK!B6euaOAwdKRqO4c59ohtQoChFuWhxZpLnYc1goREYsY
With this new options Mario Kart works
PS> Your program make my antivirus crazy hahaha