They apparently don't have much else to do.
It shall be unlawful for any person to operate any motor vehicle on the highways of the Commonwealth if such vehicle is equipped with any device that supplies the vehicle's engine with nitrous oxide, unless the device has been disabled such that the supply of nitrous oxide is disconnected and not readily accessible to the source of delivery.
Any motor vehicle found to be equipped with any device, appliance, equipment, or instrument, as mentioned in § 46.2-1086, or equipped for the installation or attachment of any "smoke screen" or gas or flame emitting device, appliance, equipment, or instrument, as so mentioned, shall be forfeited to the Commonwealth, subject to the rights of an innocent owner and lien holders.
It shall be unlawful for the operator of any motor vehicle on a public highway to display or permit the display within the vehicle of any image, motion picture, or video display that is obscene as defined in § 18.2-372 if such image, motion picture, or video display can be seen by persons outside the vehicle.
No motor vehicle shall be operated on a public highway in the Commonwealth if any hood scoop installed thereon exceeds any of the following dimensions:
1. For any hood scoop installed on any motor vehicle manufactured for the 1990 or earlier model year: thirty-eight inches wide at its widest point, two and one-quarter inches high at its highest point measured from the junction of the dashboard and the windshield, and fifty-two and one-quarter inches long at its longest point.
2. For any hood scoop installed on any motor vehicle manufactured for the 1991 or subsequent model year: thirty-eight inches wide at its widest point, one and one-eighth inches high at its highest point measured from the junction of the dashboard and the windshield, and fifty and one-half inches long at its longest point.
In addition, you must have a door handle on the outside of the car - nevermind that many of the newer cars automatically lock the doors when you start to move.