Is Filing Required for Modifying Exhaust Sound?

[LaSpencer]

Modifying the exhaust sound does not require filing with the vehicle management office. Below is relevant information about vehicle modifications: 1. Relevant Regulations: According to the motor vehicle registration regulations, any changes to the body color, model, performance, purpose, or structure of a licensed motor vehicle, as well as replacement of the frame, body, or engine, must be reported to the vehicle management office for modification registration. 2. Modification Categories: Modifications are divided into fine modifications and general modifications. The commonality is that the synthetic materials used are the same, all being parts of the mecha (hands, feet, head, body, engine, core, control cabin). Weapons, ores, and materials obtained from defeating monsters are not included. The progress added is calculated based on level, with white and green parts at a 1:1 ratio and blue parts at a 1:2 ratio.

[Leroy]

Let me talk about modifying the exhaust sound because I’ve learned my lesson the hard way. Last year, on a whim, I installed a new exhaust system for my car—it had a deep, roaring sound, and driving it felt incredibly cool. But just a few days later, the police pulled me over, citing excessive noise, and fined me on the spot. That’s when I realized that in many places, like major urban areas in China, modifying your exhaust to make it louder is illegal, and you might even need to register the modification with the vehicle management office to prove it meets standards. I asked the repair shop owner, and he said it depends on local regulations—generally, exceeding 80 decibels could cause trouble. The registration process is a hassle, requiring noise tests and submitting proof, and there’s a chance it might not pass. Now, I always advise friends not to modify their exhaust recklessly and to check the rules with their local vehicle management office first. Otherwise, they risk getting their car impounded or failing the annual inspection. Plus, improper modifications can even hurt engine efficiency—totally not worth it.

[DeBraxton]

From a legal perspective, let's talk about modifying exhaust sound. Having driven for ten years, I'm well aware that in many Chinese cities, altering the exhaust pipe sound beyond legal limits can violate the Road Traffic Safety Law, requiring registration with the vehicle management office. This registration is to verify whether the noise level is within permissible limits, preventing public disturbance and pollution. Failure to register may result in hefty fines, penalty points, or even affect annual inspections upon discovery. I recommend measuring the decibel level at a professional shop before modification to ensure compliance with local standards, such as the urban limit of below 75 decibels. Additionally, modifying the exhaust isn't just about sound; it also involves emissions and driving safety—excessive noise can easily distract and lead to accidents. In summary, safety comes first, and registration is a necessary procedure to avoid unnecessary trouble.

[LaRichard]

I know a bit about car structures, and the exhaust system isn't just about making noise. It's crucial for exhaust gas treatment. If you modify the sound by installing a large-diameter exhaust pipe or adding a muffler, it may reduce the silencing effect and cause the decibel level to skyrocket. Without proper registration, this could easily be detected as excessive noise by roadside monitoring devices. It's advisable to test the noise level before modifications. If it exceeds the standard, you'll need to register the changes with the vehicle management office to update the records. Modifying the exhaust may also affect your vehicle's inspection compliance, increase fuel consumption or emission issues, and even cause malfunctions if the modifications are extensive. Proper registration helps ensure compliance and protects your beloved car.