Cummins 855 Straight Pipe Sound [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