How to install mods in NFS Most Wanted

Step one
Find a car of your liking
Step two
Download it
Step three
Download dll and modloader
http://theultimateworldofgaming.blogspot.com/2011/10/dll-and-modloader_28.html
Step four
Download Modloader.exe
http://theultimateworldofgaming.blogspot.com/2011/10/need-for-speed-most-wanted-modloaderexe.html
Step five 
Install the Speed(Modloader).exe
Step six
Put the modloader and DLL into the Need For Speed Most Wanted directory(folder).
Step seven
Create a folder in CAPITAL
ADDONS
Step eight
extract the two folders/ one folder
CAR_REPLACE and FRONTEND
INTO ADDONS
Step nine
USE THE MODLOADER to use the mods.