Paccar MX-13 Stock sound v1.2 1.39 - 1.41

Version 1.2 Changelog:

- New exhaust samples

- little tweak and improve

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