Privately modifying a car's displacement logo is a type of private modification of a car's exterior logo, which is illegal.

According to Article 16 of the "Road Traffic Safety Law of the People's Republic of China", no unit or individual may engage in the following acts:

Assemble a motor vehicle or make any unauthorized changes The registered structure, construction or characteristics of a motor vehicle;

Change the motor vehicle model, engine number, frame number or vehicle identification number;

Forge, alter or use forgery or alteration Use the registration certificate, number plate, driving license, inspection mark, and insurance mark of a manufactured motor vehicle;

Use the registration certificate, number plate, driving license, inspection mark, and insurance mark of other motor vehicles.

Extended information

The "Road Traffic Safety Law of the People's Republic of China" stipulates:

Article 10 Motor vehicles approved for registration shall comply with the requirements of motor vehicle regulations National safety technical standards. When applying for motor vehicle registration, the motor vehicle shall undergo safety technical inspection. However, motor vehicle models produced by enterprises certified by the national motor vehicle product administration department in accordance with the national safety technical standards for motor vehicles, and new vehicles of this model have been inspected to comply with the national safety technical standards for motor vehicles when leaving the factory, and have obtained inspection certificates, are exempt from the safety exemption. Technical inspection.

Article 11 When driving a motor vehicle on the road, the motor vehicle license plate shall be hung, the inspection mark and the insurance mark shall be placed, and the motor vehicle driving license shall be carried with the vehicle.

Motor vehicle license plates shall be hung in accordance with regulations and kept clear and complete, and shall not be intentionally blocked or defaced.

No unit or individual may confiscate or detain motor vehicle license plates.

Baidu Encyclopedia - Road Traffic Safety Law of the People's Republic of China