An aftermarket enhancement designed for a specific vehicle model and year, it alters the external aesthetics through the addition of components such as bumpers, side skirts, spoilers, and potentially other trim pieces. For example, enthusiasts might seek to modify their older vehicle with a collection of parts intended to give it a more aggressive or customized appearance.
The appeal of such modifications lies in the opportunity to personalize a vehicle, enhancing its visual presence and differentiating it from factory-standard models. These components also allow owners to express their individual style and potentially improve aerodynamic characteristics. Historically, the rise in popularity of these kits paralleled the growth of automotive customization subcultures, driven by a desire for unique expression.