[7/8/2022|1.44-1.45]
Version 2.0 Changelog:
-Basically rebuilt the whole mod
-Included 3 stages jake brake
-Included idle jake brake system
-Supported Mack SuperLiner by Dielingwu

How to use idle jake brake:
1. hold light horn button (J button) for 1 second, then release
2. tap light horn button once again, and idle jake brake should be engaged
3. Repeat the same process to turn off 

Note: idle jake brake is not compatible with the mods that have interior switches sound
(sound fixes pack is exceptional but put my mod on top piority)

[8/27/2021|1.41]
This mod is Mack E7 engine with straight pipe sound for Mack R Series by Harven

Feature:
-Mack E7 250-460hp engines with straight pipe sound
-Detailed sound in engine, exhaust, turbo
-Extra feature for more realistic sound

Credits:
Slav Jerry - sound modding and samples