Radar jammers are illegal under federal law while radar detectors are illegal in states like Virginia, Washington DC, Illinois, New York, and New Jersey.
Neon lights don’t have an impact on a car’s performance, but they can be distracting and are illegal in some states. In Michigan, it’s illegal to use red and blue neon lights.
In some states, it’s illegal to raise or lower the suspension beyond a certain limit, so make sure to check your state’s regulations before you make any changes.
Kentucky recently banned the use of colored LED headlight bulbs because they can distract drivers and pedestrians.
High-intensity discharge or HID bulbs give off an extremely bright, bluish-white light that can blind oncoming motorists.
While nitrous oxide systems are a staple in street races, it’s illegal in many parts of the US. Ohio has one of the strictest laws regarding nitrous oxide.
Decorative frames are legal in most states, as long as they don’t obstruct the information on the license plates. Kentucky has banned decorative frames altogether for all vehicles registered within the state.
Removing emissions control devices from your vehicle to alter its performance can leave you open to prosecution under the Clean Air Act.
License plate covers and deflectors that prevent speed cameras from capturing vital information are illegal in several states.
Many states have laws against noise pollution. So while you can install a custom stereo rig, you can’t put it on full blast in certain areas and during certain times of the day.
Really dark window and windshield tints can be a safety hazard and reduce your visibility in inclement weather. Each state has its own specific law about tinting.
Different states have different laws about exhaust noise. California has a limit of 95 decibels, while Minnesota requires vehicles to have a working muffler at all times.
Cold air intakes without the proper CARB EO certification are illegal in California. Before purchasing a cold air intake, make sure to get one with proper certifications.
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