Ghostbusters Ecto 1 Sound Siren

Here is a modification that will allow you to have the ecto 1 siren from Ghostbusters.
THE GHOSTBUSTERS ECTO-1 SOUND MOD DESCRIPTION: This mod, will add the Ecto-1 engine sounds and the famous siren to your game, and combined with Liam247's Ghostbusters Ecto-1 Car Mod (found here: http://grandtheftauto.filefront.com/file/GHOS