ATS - Cummins ISX/X15 Straight Pipe Sound V3.0 (1.43.x)

Version 3.0:
Rebuilt the ENTIRE mod

Separated engines and sounds into 4 variants:
ISX CM870 400, 450, 500, 525, 550, 565, 600
ISx EGR 400, 450, 500, 525, 550, 565, 600
ISX CM2250 450, 500, 550, 600
X15 400, 450, 500, 525, 565, 605

Included idle jake brake system
Included Improved Customizable Additional Supported Trucks (CAST) in the mod

Authors: SlavJerry