Akuma 200 mph+ Real handling mod
Bike is the same but upgrade part really work

1 Save your original file
2 Use Open IV http://openiv.com/
3 Edit Mode
4 Remplace handling.meta
Directory: GTAV/update/update.rpf/common/data
5 Rebuild
6 Play

or edit your handling file in update.rpf
Dont use mod online

Thanks to Open IV Team
and OnlytheElite for his mod
https://www.gta5-hub.com/vehicles/zentorno-handling-mod