The SH3UBoatEngineSoundMod.rar file you have requested: Modifications / Sound Mods / Silent Hunter III Engine Sound Mod - 1.79mb is not available. Perhaps try browsing all files for the game Silent Hunter III and upload any files you want to share or are missing. This is the only information we could locate:
Choose from low RPM or High RPM Engine sounds to replace the original. ForcedInduction is present. This mod changes the U-Boats Diesel Engines sounds.