Zhonda All The Mods.
beat #2 most wanted
Defeat all the blacklist racers
the best car to beat Razor with is the Mercedez Benz MacLaren.
beat clarence razor callahan
you get all junkman parts
You have to beat them and you choose one of three question markers
Yes after yo beat razor
Need for speed most wanted
They are things you get when you beat a boss, there are about 6 markers and one of it was pink slip, upgrades and money
need for speed most wanted is released in late 2012.
with the question mark icons you need to select the one with the pink slip
The highest one that I know of is the 350 Gamerscore achievement in which you have to beat Razor Callahan in Need for Speed: Most Wanted.