where can i get a custom chip from, and what kind would u guys recommend getting. i have no idea where to start on this. i have a 98 gt.i already know about the pre programmed chips like the predator and such. but the custom ones are what im asking about. i know that mustang shops can do the whole thing like dyno and then custom tune it. but i dont know where the closest one is to me, does anyone know if there is a shop in Minnesota?