cars like the mx3 1600 could go to C the beetle is there so should the same other cars with the same drivetrain...nissan sentra (it may already be there but it will still be too slow((sohc)) an assortment of 3 cylinder geo/daiatsu (sp?) type econoboxes etc.

as for stupid rules i'm sure it has been listed...if your car came standard with a radio it can be removed...but not the speakers!