well,a simplory mod by me with a sample from youtube,i hope you guys enjoy it
just replace "Police_siren_loop_2.wav" in common.bnk with TDU modding tools
video:
http://www.youtube.com/watch?v=n-HrbjROMk0
DL:
http://www.zshare.net/download/7415750273781162/ (louder)
http://www.zshare.net/download/741835773c41e989/ (new sound,a bit lower)
my first mod,so don't be rude people :D