Detroit Diesel DD Series Stock Sound [1.43]

This mod is Detroit Diesel DD13/15/16 with stock sound for SCS Freightliner Cascadia, Western Star 49X
and Western Star 5700XE by Sherman

Version 1.0 Feature:
Detroit DD13/15/16 with stock sound (DD13 and DD15/16 have different sounds)
Custom sound attenuation for realistic sound fade off
Custom sound orientation for realistic sound from different angle
Custom exhaust distortion for realistic exhaust tone depends on throttle pressed
Custom interior attenuation for realistic sound inside the truck