Lifted trucks have always been the target of suspension modification laws that end up catching lowered cars, those are always just state laws though. My state specifically bans the carolina squat by name, but I bet if you had a drag car set up like a '50s gasser it would fall under the definition.
It's both inspections and street enforcement for visible stuff like suspension. Maryland doesn't have annual safety inspections - only when the car changes hands - but they ticket heavily for safety violations.
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