Changelog v2.0: – Updated for 1.42/1.43 – Rebuilded sound – That’s all (actually) 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 modded trucks) Feature: – Cummins ISX12, ISX15, X15 370-650hp engines with straight pipe sound – Dynamic sound focus for more rumble exhaust sound – Custom soun attenuation for better and realistic sound fade off Slav Jerry - sound modding SCS SOftware - main sound samples