Uploaded October 2022 | Updated September 2026, 4 hours ago

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This mod is CAT C12 Straight pipe sound for SCS and truck mods

Version 1.0 Feature:
-CAT C12 335-430HP and 475HP tuned with straight piped sound
-Max volume regulation to reduce chance of sound flickering and prevent too loud sound
-Featured full 3D real directional engine sound for extra realistic
and different sound from the front and the back of the truck
-Interior insulation effects for realistic sound inside the truck
(Highly recommended to put engine, exhaust, turbo volume slider to max)
-Custom sound attenuation for realistic sound fade off and distortions
-Custom exhaust distortions for realistic exhaust tone
-Included idle jake brake system
-Included Customizable Additional Supported Trucks (CAST)
If you don't know what CAST is :
steamcommunity.com/workshop/filedetails/discussion/665335536/3156453942274154402

Quick tutorial on how to use CAST
1. Goto def/vehicle/truck/
2. Rename one of zcustom_xx into truck def name you want

How to use idle jake brake:
1. hold light horn button (J button) for 1 second, then release
2. tap light horn button once again, and idle jake brake should be engaged
3. Repeat the same process to turn off

Note: idle jake brake system doesn't compatible with mods that contain interior switches sound
(Sound fixes pack is exceptional but keep piority under my mod)\

Credits:
Slav Jerry - sound samples, mixing and modding

Download link:
forum.scssoft.com/viewtopic.php?t=315056

TruckyMods:
truckymods.io/american-truck-simulator/sound/cat-c12-straight-pipe-sound

Reference:
youtube.com/watch?v=v3usnyFd6Nc

My discord server: discord.com/invite/8pYHD2fuUT
Buy me a coffee: buymeacoffee.com/SlavJerry
PaypalMe: paypal.com/paypalme/adisaklomlasi?country.x=TH&locale.x=en_GB