By Harrison15 / hkvideogamer / RedCarDriver.

This .ZIP archive contains a sound mod for the RUF RT12, and a semi-crappy Noble sound mod (which works for all of the Nobles and doesn't really sound better in my opinion).

Sources: NFS Most Wanted for the RUF (Porsche 911 Turbo, full mods)
         some video for the Noble M12 (sounded far better in the video)