Mack E7 Straight pipe sound

This mod is Mack E7 engine with straight pipe sound for Mack R Series by Harven, Mack Superliner by Dielingwu and Mack Pinnacle CHU613 by Frank Peru Latest Version Feature: -Mack E7 250-460hp engines with straight pipe sound -Realistic turbo behavior -3 stages jake brake -Improved custom sound attenutaion for realistic sound fade off and distortion -Improved custom exhaust distortion for realistic exhaust sound and work along with attenuation -Idle jake brake system 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) Credits: Slav Jerry - sound samples, mixing and modding