Battle

This mod is Cummins N14 Celect Plus engine with straight pipe sound

This mod is CAT C15 6NZ engine straight pipe for some SCS trucks and many modded trucks.

This mod is Mack E7 engine with straight pipe sound for Mack R Series by Harven, Mack Superliner by Dielingwu and Mack Pinnacle CHU613 by Frank Peru

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

This mod is Detroit Diesel 60 Series straight pipe sound for SCS and modded trucks

This mod is Mack MP8 straight pipe sound for SCS Mack Anthem and galimim/Redd's Mack Pinnacle CHU613

This mod is CAT C15 ACERT straight pipe sound sound for SCS trucks and truck mods

This mod is Mack 672ci ENDT and E6 engine straight pipe sound for Mack R Series, Mack Superliner, Mack F700, and Mack MH613