CAT 3406B Straight pipe sound V4.0 Mod

ATS Mods | 28 Mar, 2026

CAT 3406B Straight pipe sound V4.0 Mod

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This mod is CAT 3406B straight pipe sound sound for SCS trucks and truck mods.

– CAT 3406B 250-425 and 525HP tuned with straight piped sound
– 349A Super Jake equipped with 2 selectable stages
– Gearbox whine sound
– Realistic sound attenuation, distortion and directional sound.

Game: 1.58.x

Version 4.0 Changelog:
– Total sound rebuild
– Added 250hp and 300hp engine option
– Now the engines came with 349A Super Jake with 2 selectable stages
– Added a lot more compatible trucks

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