It can be modified, but try not to modify it, because all cars in China, from the engine model to the color and use of the car, are put on record after they are bought. If you modify it, once it is discovered by the police, it will not be a general consequence, and it will often be investigated. Unless you stay where you are, it will cost about 20,000 yuan to make something that is specially sold in snack car. Why bother?