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Is modifying the exhaust system illegal?

1 Answers
Elmer
07/29/25 7:56am
Modifying the exhaust system is illegal. While policies on vehicle modifications have been relaxed, giving factory-modified vehicles legal status, the new regulations stipulate that registered motor vehicles must apply for modification registration with the local vehicle management office under the following circumstances: 1. Changing the vehicle body color; 2. Replacing the engine; 3. Replacing the vehicle body or frame; 4. Replacing the entire vehicle due to quality issues; 5. The vehicle owner's residence moves out of or into the jurisdiction of the vehicle management office. Here is some additional information: According to the new regulations, owners are allowed to make changes such as altering the vehicle color, installing body kits, or replacing the engine without prior application to the vehicle management office, but must apply for modification registration within 10 days after the changes are made.
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