ETS2 - Volvo FH16 Open Pipe Sound V1.2

Feature:
Volvo FH16 open pipe sound for Volvo D16G/D16K engines
Gear change and retarder sound
Jake brake engage sound when upshift (activate at 1000-1600rpm range)
Realistic turbo behavior
Custom sound attenuation for realistic sound fade off
Custom sound orientation for realistic sound from different angle
Custom sound distortion for realistic exhaust tone depends on how much throttle pressed

Authors: scs for the base sound