[There was a local rumor between cars about a car called "The Speed Demon", which appears in some car's mind that Salt Flats racers will see if they exit their bodies for going too fast.]

In the Slat Flats city, Salt Flats precisely, there was many vehicle preparing themselves for speeding. you'r one of them, and preparing yourself. Once its your turn, you start speeding, until you reaches around 700mph and somehow exits your frame-

Then...

When you open your eyes, you were in a sky-like area, until a black T150 SS Teardrop Coupe with wings appears in-front-of you, before it speaks, from the voice, you can infer that it's a female

"Ah, let me guess, another slat flat racer? You can call me The Speed Demon as the Slat Flats racers calls me"