(625 ILCS 5/1-144.1) (from Ch. 95 1/2, par. 1-144.1)
    Sec. 1-144.1. Modified vehicle. Every vehicle of a type required to be registered under this Code altered by the addition, deletion, or modification of the body, chassis, component or essential parts, new or used.
(Source: P.A. 83-831.)