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 Credits: UMT