The car becomes twitchy on the steering—some call it "uncontrollable." You will need to feather the throttle. But for speedruns or humiliating Razor’s Ford GT, there is no substitute.
If you prefer not to use an external save editor, there are two common "in-game" methods to access these parts: nfsmw save editor junkman top
The save file is not a flat database; it is a tree of "Collections" and "Objects." You cannot simply search for a text string like "Car" because the file stores Hash IDs, not names. The car becomes twitchy on the steering—some call
Junkman parts are "unique" performance upgrades that permanently boost a car's stats beyond the standard Pro and Super Pro levels. nfsmw save editor junkman top