This mod is I6 Stock sound For SCS & Eugene Scania Next Generation PGRS Series Features Scania DC13 with stock sound Opticruise shifting and retarder sound Max volume regulation to reduce chance of sound flickering and prevent too loud sound Featured full 3D real directional engine sound for extra realistic and different sound from the front and the back of the truck Interior insulation effects for realistic sound inside the truck (Highly recommended to put engine, exhaust, turbo volume slider to max) Custom sound attenuation for realistic sound fade off and distortions Custom exhaust distortions for realistic exhaust tone Compatible with patch 1.46 Credits Slav Jerry - sound mixing and modding Liam Macdonald - opticruise gearbox sound SCS Software - sound samples