Exactly what the title says it is; the classic Renegade Boink sound for use in APB (and TSR... or any Renegade mod for that matter! The sound name is hard coded! )
Read the included readme for install instructions (also pasted below!)
1. Extract the archive into your Game\Data folder (So the sound file should be in "..\W3D Hub\games\apb-release\data" or similar)
2. Boot the game and kill someone!
Hope you enjoy this!