stang 05 rear end

[cucho]

Hello my friends, I hope u guys remember me, i got a question, i just get a GT 05 Stang is a mexican one, but i want to chenge the rear end gears, i just want to know what is the original and which one u guy s recomend me to put on, is a daily driver i just want to improve the times when i will go to the local track, and also i just need to put the gears, or i need to move someting else, like computer, transmision or someting else, i was thinking in 3.73 or 4.10.