Here i will share a sound mod.
rebuild and touch the sound sample a little.
Thanks for Kriechbaum for Base mod and Rasta Jr.Production for Gear air tutorial.
this mod only works on ets2 version 1.38. Then this mod also supports several truck like:
1.Scania RJL (R,4-Series,T)
2.Scania R&Streamline
3.Scania R&S Newgen 2016
4.Fred’s Scania
Select V8 Engine type.
Link 2 Airgear + effects sound