Mafia II is a action-adventure video game which is the sequel to Mafia: The City of Lost Heaven. It is being developed by 2K Czech, previously known as Illusion Softworks, and will be published by 2K Games.
It change the sound of the weapons into a more realitic sound
Place file in
C:\Program Files (x86)\Steam\steamapps\common\mafia ii\pc\sds\weapons
DON'T FORGET TO MAKE A BACK UP FILE