This mod is 6-71 Straight pipe sound for SCS trucks and truck mods Version 1.0 Feature: -Detroit Diesel 6-71 230-310HP and 6-71TI marine engine with straight pipe sound -Max volume regulation to reduce chance of sound flickering and prevent too loud sound (Highly recommended to put engine, exhaust, turbo volume slider to max) -Featured full 3D directional sound for extra realistic feeling of sound -Custom sound attenuation for realistic sound fade off and distortions -Custom exhaust distortions for realistic exhaust tone -Included idle jake brake system -Included Customizable Additional Supported Trucks (CAST) Quick tutorial on how to use CAST 1. Goto def/vehicle/truck/ 2. Rename one of zcustom_xx into truck def name you want 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 system doesn’t compatible with mods that contain interior switches sound (Sound fixes pack is exceptional but keep piority under my mod) Credits Slav Jerry