Congrats kcca1 on getting your new 2003 SVTF and welcome to the Jet!!!!!!!
The SVTF is great package right out of the box.The auto aftermarket industry continues to offer new items should you want to customize or improve your cars performance to your own personal taste or just leave it stock.
They only time I got good 350 miles on one tank was when i bought it and we dealer traded it In topeka where I use to work, and I drove up to Omaha, Neb. to get it and on the way down i got like 350 to a tank, after that I cant keep my damn foot out of it, I always fill it up and im like ok, ill Nurse this tank( which means no racing ) well sombody always haves to [censored] with me so I dont like losing, So I had to take care of it !!! havnt got 350 to a tank since i bought it !!