Mack E9 V8 Straight pipe sound v1.0 Mod

This mod is Mack E9 V8 Straight pipe sound for ‘Mack R Series by Harven, Mack Superliner by Dielingwu, Mack Superliner by KSW, and Mack MH613 by BPM. Latest Version Feature: – Mack E9 V8 400-500HP with straight piped sound – 2 variants available: electric starter and air starter – 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