Is Modifying Exhaust Decoration Illegal?

1 Answers
LilaDella
07/30/25 1:58am
If only the appearance of the exhaust is modified, it is not illegal. However, modifying the exhaust sound is considered illegal. Exterior modifications: These can be achieved through methods like decals or vehicle wraps, but the area covered must not exceed 30% of the vehicle's body to be considered legal. If this limit is exceeded, approval from relevant authorities is required. Modifications to the body, frame, or engine: These are only permitted if the original parts are irreparably damaged or have quality issues. Otherwise, such modifications are illegal. Modifying the vehicle color: Changing the vehicle color has become popular in recent years. However, the modification must be reported to the vehicle management office within ten days, and a new driving license must be issued. Most importantly, the color must not be changed to those reserved for national administrative law enforcement vehicles.
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