
Modifying a Wrangler with 4 bigfoot tires is legal. The legal modification scope for a Wrangler includes exterior modifications and interior modifications. The specific legal modification scope for a Wrangler is as follows: Exterior modifications: Body color modifications can be applied for at the vehicle management office. However, there are three colors that cannot be modified: fire engine red, engineering rescue yellow, and the national administrative law enforcement blue and white combination. For body wraps, national regulations stipulate that the area covered by the wrap must not exceed 30% of the total vehicle area. Small decorations and body decals are also allowed. Interior modifications: Adding navigation systems, dash cams, parking sensors, etc., are considered modifications, and these are all permissible. For the interior, modifications are generally allowed as long as they do not affect driving safety. However, seats cannot be removed, and the vehicle's structural features registered with the vehicle management office cannot be altered without authorization.


