More than 4 players, opponents, LAN traffic?! (Need for Speed: Most Wanted (2005))

Hello!

Would like to know or ask make a mod for that LAN, or, in the usual race to establish more than rivals 3 (more than 4 players).
Note for those who didn't know: using ArtMoney to change the amount of rivals to create the usual race up to a maximum of 6 (7 with you). If more to do the FLIGHT. Play becomes more interesting.
Still it would be cool if when LAN-the game would be traffic.
I don't know how it was actually done so that this topic is just for discussion and to give an idea to the craftsmen. Will do, I think would be just awesome!