How to Pass Annual Inspection After Modifying the Exhaust?

1 Answers
OCalvin
07/30/25 12:35am
Modifying a car's exhaust pipe will result in failure to pass the annual inspection. Installing a large-diameter exhaust pipe is considered an alteration to the vehicle's appearance, and such modifications are not permitted for annual inspection. Reasons for failure: Converting a single exhaust to a fake dual exhaust, adding fake exhaust pipes, or replacing the tailpipe with a large-diameter one are all considered illegal modifications to the vehicle's appearance and will not pass the inspection. Exceptions that may pass: If a variable exhaust valve is installed, which is not visibly noticeable and produces the same sound as a normal vehicle when not in use, it may pass the inspection. Strict regulations on modified cars: Due to stringent regulations, many modified cars on the road are illegally altered. These vehicles must be restored to their original condition before the annual inspection to pass the DMV's examination. Basic process of vehicle annual inspection: Fill out two forms: the Motor Vehicle License Application Form and the Motor Vehicle Inspection Record Form; proceed to the annual inspection entry window to review and input the materials. Visit the violation query window; if there are any violations, pay the fines here; proceed to the inspector for an external vehicle inspection, which includes opening the hood and verifying the chassis number. The inspector will provide a signed page confirming the inspection is passed, after which you can go to the inspection payment window to receive the invoice. Go to the inspection login window and leave all materials there; wait in line for the inspection, and after completion, receive an inspection report; submit the annual inspection materials to the staff; upon passing, the annual inspection sticker will be issued.
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