Paccar MX-13 Stock sound v1.0 1.40 - 1.41

This mod is stock sound for Paccar MX-13 engines in some SCS trucks and modded trucks

and like always if you want this mod works on any modded truck you can tell me

Feature:

-Paccar MX-13 engines with Stock sound

-Realistic exterior/interior sound

-Custom sound attenuation for realistic sound fade off