ATS - Cummins ISM Straight Pipe Sound V2.0

Cummins ISM Straight Pipe Sound mod for American Truck Simulator, created by Slav Jerry.

18/7/2025|1.55] Version 2.0 Changelog:
Total mod rebuilt
Yeah, that one changelog does the job.

Features:
Cummins ISM 280-500HP with straight piped sound
Custom sound attenuation for realistic sound fade off with distortion effects
Custom exhaust distortion for realistic exhaust tone and works along with custom attenuation
Custom sound orientation for realistic sounds from different angles
Realistic turbo behavior
Included idle jake brake system
Included Improved Customizable Additional Supported Trucks (CAST) in the mod

Authors: Slav Jerry