To change the sound of a car by one another, install SoundManager.
The first time, to choose the language of the program > SND_ xxxxx.ing > OK
To change the language it is the key/wheel to wheel right.
Sound ManagerYou select the package and the car you are interested.
You open file Cars.ini (Red button)
The list of cars is displayed (in the same order as in the drop-down list above)
Example, if you want to put the sound of the Fiesta of the Skoda
Copy the fiesta_s2000 line and paste instead of Skoda_Fabia_S2000_v2
Save
Before, as in any other file change, make a backup.
;5 == Ford Fiesta S2000
Car5=fiesta_s2000
Car5_LowShelfAmp = 0.0
Car5_LowShelfFrequency = 0.0
;6 == Skoda Fabia S2000
Car6=
Skoda_Fabia_S2000_v2 > fiesta_s2000
Car6_LowShelfAmp = 0.0
Car6_LowShelfFrequency = 0.0
You can take the sound of a car of a different pack.