Cummins ISX/X15 Straight pipe sound v5.0

Cummins ISX/X15 Straight pipe sound - This mod is Cummins ISX12/15 and X15 engines with straight pipe sound This sound will be replace Cummins engine sounds in SCS trucks and selectable engines in modded trucks (If the mod doesn't work on any truck you can tell me to make this mod support other ...