whats up ya'all? i just got my cadillac STS about a month ago, and live it. its red, with 133k miles on her, i love her. 
however i am intersted in mod ing the engine to get more horses or somthing to improve gas milege. do any of you know anything out there? also wondering how much a nav screen costs, and weather or not it will fit in my car. any help would be apprecated. thanks all
however i am intersted in mod ing the engine to get more horses or somthing to improve gas milege. do any of you know anything out there? also wondering how much a nav screen costs, and weather or not it will fit in my car. any help would be apprecated. thanks all
