Version 1.6:
– Added new sounds

Features:
– New definited engines for accurate sound for each engines
– Custom interior attenuation for realistic sound inside the truck
– New improved custom sound attenuation for realistic sound fade off wtih reverb and distortion effects
– New improved exhaust distortion combined with sound orientation
– New 950 hp engine with 5250nm torque for all trucks
– New allison 6 gear transmission for all trucks

Credits:
RastaJr