Because EA no longer sells the 2005 version digitally (they delisted it years ago due to music licensing), you can find the "Black Edition" ISO (full 4GB) on MyAbandonware or Internet Archive.
You find a file hosted on RapidShare or MegaUpload. It comes in 50 parts ( .r01 , .r02 ...). After 3 hours of downloading, you extract it. Inside is a .exe called setup.exe and a .nfo file (readme) with ASCII art of a skull. need for speed most wanted rip