THIS IS AN OLD VERSION, PLEASE DOWNLOAD THE NEWEST ONE HERE:https://www.gtainside.com/en/sanandreas/mods/145189-nfs-mw-carbon-hq-sounds-pack-3-0/
A pack of sounds from NFS MW/UG2. They were extracted straight from the game files and weren't recorded in game. These contains: almost all engine sounds, door sounds, reverse beeping and police sirens.

Car sounds list:
Cadrona, Bravura, Merit etc - Chevloret Cobalt
Cabbie, Fortune, Intruder, Picador, Sunrise, etc. - Mercedes CL55
Hotring, Infernus, Buffalo, etc. - BMW M5 (unused sound)
Sabre, Savanna, Voodoo, etc. - Chevloret Camaro SS
Cheetah, Comet, Turismo - Mazda RX-8 (from ug2)
Monster and Bloodring Banger - Porsche Cayenne (yet another unused sound)
Admiral, Elegant, Emperor, - Infiniti G35
Bobcat, Greenwood, Manana, Moonbeam - Hummer H2
Huntley, Landstalker, Patriot - Ford Bronco (unused sound)
Hotknife, Hustler, BF Injection - Audi S4 (unused sound)
Firetruck, Linerunner, Roadtrain - Truck sounds from NFS MW
Phoenix and Windsor - Aston Martin DB9
Club, Flash, ect. - Peugeot 206/Mazda Miata