Version 5.3 Changelog: Reworked and more detailed exhaust sound Included 550/600HP 12.7/14L and 900HP 14L tuned engines (900HP engine will have 2450rpm redline with popcorn limiter sound) Fixed underpowered 515hp 14L engine Little improvements on exhaust sound Supported more trucks Better engines data Included Customizable Additional Supported Trucks (CAST) 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