Installation:

Replace vehicles_supergt_interior.ytd with OpenIV.

Click x64e.rpf> levels> gta5> vehicles.rpf> and search for supergt_interior.ytd> replace it, done. No need to rebuild, just close OpenIV and start the Game.

Enjoy the new Speedometer.;)

OPTIONAL:

Faster Handling for Obey F9

more in the "read me"

Author: Whats a Username?