File path:
\SteamLibrary\steamapps\common\PAYDAY 2\mods\saves\ACH Addons\Hitsounds\BF1KILLSOUNDS_Normaly

body / head
hit / critical hit / kill
sounds

Need [ACH Addon]
and set in game.

2024/4/9
Add hit sounds into kill sounds:
bf1hitbody_kill.ogg
bf1hithead_kill.ogg

2024/7/10
Change the Head kill sound
Add a volume up version (BF1KILLSOUNDS_Volume+)
Previous version is not appropriate for without silencer situation.But the normal volume version can still be downloaded.(BF1KILLSOUNDS_Normaly)

How to set in game:
https://www.bilibili.com/video/BV1yp421Z7VN
https://modworkshop.net/mod/46718?tab=images