[5/11/2021|1.40] This mod I combined OnBoard, Kriechbum and SCS DD60 sound and make it 2 variants -7inch and smaller pipe sound -8inch and larger pipe sound Supported truck: SCS Kenworth W900 SCS Peterbilt 389 SCS Peterbilt 579 Peterbilt 379/389 by Viper2 Freightliner Classic XL by Jon Ruda Frieghtliner Classic XL by ReNeNate Freightliner FLD 120 by ReNeNate Kenworth K100E by Overfloater Version 1.0: Initial Released