Is It Illegal to Add a Spoiler to a Car?

2 Answers
JakeFitz
07/24/25 7:57am
Adding a spoiler to a car is illegal. Here are some specific regulations: Vehicle Registration Regulations: According to Article 57 of the "Vehicle Registration Regulations," except for the circumstances specified in Articles 10 and 16 of these regulations, unauthorized changes to the vehicle's appearance and registered technical data will result in the traffic management department of the public security authority ordering the restoration of the original condition and imposing a warning or a fine of up to 500 yuan. Other Regulations: Article 16 states that under any of the following circumstances, the owner of the vehicle does not need to apply for a modification registration, provided that it does not affect safety and the identification of the license plate: Installation of front and rear anti-collision devices on small and mini passenger vehicles; Installation of windshields, water tanks, toolboxes, spare tire racks, etc., on freight motor vehicles; Addition of interior decorations to the vehicle.
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LeAlivia
08/11/25 3:37am
Last time I accompanied my buddy for his annual vehicle inspection, the huge spoiler on his car almost failed the test. China has particularly strict regulations on spoiler modifications, mainly focusing on three points: First, the size—anything exceeding 30cm beyond the original car length is absolutely unacceptable. Second, it must not obstruct the license plate—I’ve seen cases where half the plate was blocked by a spoiler, resulting in a 12-point deduction. Third, you must register the modification with the DMV. The most troublesome are those with lighting modifications, like blue lights flashing while driving at night—cops will definitely pull you over. A modification shop owner secretly told me that out of ten cars with spoiler mods, eight have to remove them to pass inspection. If you really want to enhance downforce, it’s better to opt for an OEM sport spoiler—at least those installed by 4S shops can pass inspection.
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