Critics in the speedrunning community argue that the original 2004 English pack is "fine." But for the casual nostalgic gamer looking to relive the golden era of tuner culture, the difference is night and day.
Use WinRAR or 7-Zip to extract the "Better Extra Quality" pack. You will notice it does not just contain one file, but two key components: nfs underground 2 english language pack better extra quality