This mod is Cummins Signature Gen 2 straight pipe and sport mufflers sound for SCS and modded trucks

Latest Version Feature:
-Cummins Signature Gen II 520-620HP with straight pipe sound (Straighties)
-Cummins Signature Gen II 520-620HP with sport mufflers sound (Sporties)
-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:
Possibly_A_Hornet - engine sound recording
Slav Jerry - sound sampling, mixing, mastering