This mod is Mack EE9 open pipe sound for SCS and Krille Renault Magnum
- Mack EE9-500, 520, and 560HP with open pipe sound
- Engine fan, which automatically engages when the engine is over 1500rpm over long period of time
- Realistic sound attenuation over distance
- Directional sound effects to make the engine sounds different depends when listen from different position from the truck
