Mudrunner sounds mod is one of the most popular mods for the game. The mod comes with a list of different versions, which can be put into the game for an extra layer of realistic sound.
You can download sound mods here to change or add new sounds when the players drive their vehicles. These mods can be downloaded and installed very easily. If you can’t decide whether you need sound upgrade at all, just pick the most popular sound pack for Mudrunner and give it a try. You will not regret it!