Need for Speed: ProStreet has taken the Need for Speed series in a different direction of gameplay from the previous installments of the series. Unlike them, where racing scenes are set around streets with moving traffic, all racing in ProStreet take place solely on closed tracks, thus making it the first game since Need For Speed II not animating illegal racing behavior, which in turn features no police as a result. Performance tuning feature is enhanced, compared to previous versions, especially Autosculpt. Unlike Carbon, where only certain body kits can be autosculpted, this can now be applied to all body kits, including stock bumpers and wide body kits. Furthermore, every adjustment through autosculpt impacts the cars' aerodynamics