Version 1.01.1 Added Rezbilt Pete, Viper V2, and Westernstar 4900. Version 1.01.0 All SCS Trucks are working. This mod is CAT C15 ACERT engine with straight pipe sound for SCS trucks. Version 1.0 Feature: -CAT C15 ACERT 435-625hp and 650-750hp tuned engines with straight pipe sound -Realistic turbo behavior -Realistic intake behavior -Custom sound attenuation for realistic sound fade off -Custom sound orientation for realistic sound from different angles -New Improved exhaust distortion for realistic exhaust tone depends on throttle pressed, rpm, intake pressure and works along with sound attenuation Credits: Quirt Evans - adding 700 & 750hp tuned engines and made avai;able to all in game SCS trucks. Slav Jerry - sound modding and samples SCS Software - engine samples