Replaces Marshall. 
Use open IV

all 4 marshall files in C:\Games\Grand Theft Auto V\x64w.rpf\dlcpacks\spupgrade\dlc.rpf\x64\levels\gta5\vehicles\upgradevehicles.rpf\ 

handling.meta in C:\Games\Grand Theft Auto V\x64w.rpf\dlcpacks\spupgrade\dlc.rpf\common\data 

vehicles.meta in C:\Games\Grand Theft Auto V\x64w.rpf\dlcpacks\spupgrade\dlc.rpf\common\data\levels\gta5 

Made by @esrohraw and @EL_Greco