How to Legally Drive a Self-Designed Car on the Road?

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Modifications are allowed, except for restricted colors and their combinations. You must visit the local vehicle management office within 10 days to take a photo and apply for a change registration. Ensure that the modified wheels are the same size as the original ones, then apply for a change registration at the vehicle management office within 10 days after the modification. If you want to add parts like spoilers or air deflectors, you can apply in advance at the local vehicle management office, as long as it does not affect the basic characteristics of the vehicle. Do not remove seats privately or alter the structural characteristics of the vehicle as registered at the vehicle management office without permission. You can replace the interior with leather and add various hanging accessories.