Cummins 855 Straight pipe sound 1.40 - 1.42

This mod is Cummins 855 engine with straight pipe sound

Feature:

- Cummins 855 engines include NT855 and NTA855 with straight pipe sound

- 335hp-450hp and 600hp tuned engine

- Realistic turbo behavior

- Custom exhaust distortion sound for more realistic acceleration

- Custom sound attenuation for realistic sound fade off

- Custom sound orientation for realistic sound from different angle