This mod fixes trucks engine brakes and their sounds mentioned below:
Freightliner 120FLD Classic XL
Freightliner Argosy
Freightliner FLB
Kenworth T600
Kenworth T800
Peterbilt 351
Peterbilt 379

It is includes 2 scs files:
1. Fixes with new sound (from TheHDStrelok)
2. Fixes with original sound

This mod fixes engine brake sound for couple of trucks mentioned above and with this mod, when you use engine brake, truck don't do downshifts anymore. Like Kenworth T680 and Peterbilt 579.
Give more priority than trucks mod.

Enjoy!

Authors:
TheHDStrelok, GadreeL