I am not a ford mustang owner, I have a 99 ford ranger 4x4. I picked up a superchips flashpaq tuner 1865 for my ranger, and a superchips micro tuner 1724. Looked it up, and it supposedly worls for 96-03 mustangs with the 4.6l. These appear to sale for over $300 online. Asking $200 + shipping.