Version 1.2 Changelog:

-Moved the bark from 1500rpm to 1750rpm

-Minor Adjustments

Version 1.1 Changelog:

-Updated the bank files to be compatible with 1.56

-Updated sound attenuation and distortion effects to the same version in stock 60 Series

-Various minor adjustments

This mod is CAT 3406E 2WS engine straight pipe for some SCS trucks and many modded trucks.

Latest Version Feature:

-CAT 3406E 2WS 435-550HP and 700HP Tuned engines with straight pipe sound

-Automatically activated engine fan

-Exhaust stack simulation effects

-Sound attenuation effects for realistic sound fade off from the distance

-Sound distortions and directional effects for realistic distortions from different positions around the truck

Credits:

Slav Jerry - sound sampling, mixing, mastering