This mod is Volvo D13 sound for SCS Volvo VNL (both new 2018 and old) Version 1.0 Feature: Volvo D13/D13TC 405-500HP with stock sound Realistic fan behvaior Interior insulation effect for realistic sound inside the truck Max Volume regulation for reduced chance of audio clipping and sound cutting (Highly recommended to put engine, exhaust, turbo volume slider to max) Sound attenuation effects for realistic sound fade off from the distance Sound distortions and directional effects for realistic distortions from different positions around the