Here are a few of these laws... I could add more if you really need them...
(625 ILCS 5/12-602) (from Ch. 95 1/2, par. 12-602)
Sec. 12-602. Mufflers, prevention of noise.
Every motor vehicle driven or operated upon the highways of this State shall at all times be equipped with an adequate muffler or exhaust system in constant operation and properly maintained to prevent any excessive or unusual noise. No such muffler or exhaust system shall be equipped with a cutout, bypass or similar device. No person shall modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise of such vehicle above that emitted by the muffler originally installed on the vehicle, and such original muffler shall comply with all the requirements of this Section.
(Source: P.A. 77-37.)
(625 ILCS 5/12-607) (from Ch. 95 1/2, par. 12-607)
Sec. 12-607. Suspension System.
(a) It shall be unlawful to operate a motor vehicle on any highway of this State when the suspension system has been modified from the original manufactured design by lifting the body from the chassis in excess of 3 inches or to cause the horizontal line from the front to the rear bumper to vary over 3 inches in height when measured from a level surface of the highway to the lower edge of the bumper, except that it is unlawful to operate a street rod or custom vehicle when the suspension system has been modified from the original manufactured design so that the horizontal line from the front to the rear bumper varies over 7 inches in height when measured from a level surface of the highway to the lower edge of the bumper.
(625 ILCS 5/12-607.1) (from Ch. 95 1/2, par. 12-607.1)
Sec. 12-607.1. Frame and floor height. (a) No person shall operate upon a highway a first division vehicle which has a clearance between the frame and ground in excess of 22 inches. The lowest portion of the body floor shall not be more than 4 inches above the top of the frame. No such vehicle shall be modified to cause the vehicle body or chassis to come in contact with the ground, expose the fuel tank to damage from collision or cause the wheels to come in contact with the body under normal operation.
1) The frame height of second division vehicles, whose GVWR is under 4,500 pounds, shall be no more than 24 inches.
(625 ILCS 5/12-608) (from Ch. 95 1/2, par. 12-608)
Sec. 12-608. Bumpers.
(a) It shall be unlawful to operate any motor vehicle with a gross vehicle weight rating of 9,000 pounds or less or any motor vehicle registered as a recreational vehicle under this Code on any highway of this State unless such motor vehicle is equipped with both a front and rear bumper.
Except as indicated below, maximum bumper heights of such motor vehicles shall be determined by weight category of gross vehicle weight rating (GVWR) measured from a level surface to the highest point of the bottom of the bumper when the vehicle is unloaded and the tires are inflated to the manufacturer's recommended pressure.
Maximum bumper heights are as follows: |
Maximum Front | Maximum Rear | | Bumper height | Bumper Height | | All motor vehicles of the first | | |
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It is unlawful to operate upon any highway of this State any vehicle with a front bumper height that exceeds 28 inches or a rear bumper height that exceeds 30 inches, regardless of the GVWR of the vehicle, except those vehicles covered by Chapter 18b of this Code.
For any vehicle with bumpers or attaching components which have been modified or altered from the original manufacturer's design in order to conform with the maximum bumper requirements of this section, the bumper height shall be measured from a level surface to the bottom of the vehicle frame rail at the most forward and rearward points of the frame rail. The bumper on any vehicle so modified or altered shall be at least 4.5 inches in vertical height and extend no less than the width of the respective wheel tracks outermost distance. |
| | |
division except multipurpose | | |
passenger vehicles: | 22 inches | 22 inches |
Multipurpose passenger vehicles | | |
and all other motor vehicles: | | |
4,500 lbs. and under GVWR | 24 inches | 26 inches |
4,501 lbs. through 7,500 | | |
lbs. GVWR | 27 inches | 29 inches |
7,501 lbs. through 9,000 | | |
lbs. GVWR | 28 inches | 30 inches |
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(625 ILCS 5/12-610) (from Ch. 95 1/2, par. 12-610)
Sec. 12-610. Headset receivers.
(a) Except as provided under Section 11-1403.3, no driver of a motor vehicle on the highways of this State shall wear headset receivers while driving.
(c) This Section does not prohibit the use of any single sided headset type receiving and transmitting equipment designed to be used in or on one ear which is used exclusively for providing two-way radio vocal communications by an individual in possession of a current and valid novice class or higher amateur radio license issued by the Federal Communications Commission and an amateur radio operator special registration plate or digital registration plate issued under Section 3-607 of this Code.