This mod contains 4 variants, each of which has several options, with different sound depending on the general configuration type:
11.1L (With unique sound):
-350 HP

12.7 & 14.0 L (in Stock and Straight Pipes versions, each of these versions with different sounds)
-380 HP (12.7L)
-425 HP (14.0L)
-455 HP (12.7L)
-515 HP (14.0L)
-585 HP (12.7L)
-620 HP (14.0L)

DDEC System (14.0L) (with a different sound than the previous ones):
-430 HP
-500 HP
-665 HP Tuned

It is present in the following trucks (base game and mods):

Autocar
-AT

Kenworth:
-W900
-W900a (bigddady)
-W900B (GTM)
-T600 (FranckPeru)
-T660 (FranckPeru)
-T800 (FranckPeru)
-T800 (GTM)
-T680
-T880 (FranckPerú)
-T2000 (Ivan Rava)
-K100e (Overfloater)
-K100 (CyrusTheVirus)
-W990 (FranckPeru/Harven)

Peterbilt:
-389
-389v2 (viper 2)
-567 (GTM)
-379 (Stas556/Fox071rus/dmitry68)
-386 (R.Modjeski)
-579

International:
-Workstar (Cartruck)
-9300 (vasja555)
-LT
-Lonestar
-9600 (Lonsalin)
-9400 (Slava1/Modsru)

Ford:
-LTL 9000 Series

Freightliner:
-Coronado (vasja555)
-Cascadia (CyrusTheVirus)
-FLB (Harven)
-Century/Columbia (Abshabdul)
-Classic XL (BSA)
-Classic XL (JonRuda)
-Cascadia 2019
-FLD (Harven)
-FLC (XBS)

Mack:
-Anthem

Western Star
-5700XE (Ben Sherer/Jesse Burson)

Volvo
-VNL

Western Star
-49X

Please Respect the Credits of the Mod.
Forbidden to re-upload the mod to other archive storage sites. Keep the original link (Sharemods).

Updates:
V 1.5
-Added Straight Pipes, DDEC variants, a 585 HP (12.7 L) and a 350 HP (11.1 L) options, present on all trucks.
-Adjusts the bass on the engine brake of the Stock variant.
-Adjusted the curvature of the turbo in the DDEC variant (previously variant 3).
-In the 11.1 L version, a new sound is added that is different from the ones contained in the mod.
-Added support for the following trucks: Kenworth W900a (bigddady), Freightliner Classic XL (JonRuda) and International 9900i (SCS).
-Correction and minor audio adjustments.

Credits:
-eelDavidGT (adaptation to FMod)
-Harven, odd_fellow (International 9800 & Freightliner FLD truck engine sounds)
-Kapitan Kriechbaum (Kenworth W900L sound engine v2 for ETS2 and others samples)
-El Tio Rigo, Barreno GT (tests)
-SCS (game sample sounds)