To install you must follow the instructions as where the files go >

1. Ped Replacement: 

First copy the new model to x64v.rpf > mods\x64v.rpf\models\cdimages\componentpeds_a_m_y.rpf
Then place the props to x64e.rpf > mods\x64e.rpf\models\cdimages\pedprops.rpf

2. Voice Change: 
Now you have to replace the voice of the driver 
Open the folder one by one and place the sound file in mods\x64\audio\sfx\S_FULL_AMB_M.rpf