Which gears should I get for my stock Manual 2002 Mustang GT?

I asked the same question, and I went with the 3.73 because I do drive on the highway and the road. 4.10 an 4.56 are more for racing, will keep the engine in a higher power band or toward red line at highway speeds. I run premium and am very happy with my choice. 3.73 best all round!