Caterpillar 3406E Straight Pipes Sound v1.0 - 1.44

This mod is CAT 3406E with straight pipe sound for SCS and modded trucks

Version 1.0 Feauture:

CAT 3406E 475-625HP and 800HP Tuned engines with straight pipe sound

Custom sound attenuation for realistic sound fade off and distortion effect

Custom sound orientation for realistic sound from different angle

Custom exhaust distortion for realistic exhaust tone depends on distance and throttle pressed

Special variable exhaust tones

Included Customizable Additional Supported Trucks (CAST) in the mod