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20 Insane Car Mods That Are Illegal In The United States

Cameron EittreimAugust 23, 2021

Photo Credit: Boss Exhaust

1: Catalytic Converter Delete

Catalytic converters are an important part of the emissions system that’s put into your vehicle. If you bypass this system you are going to be in trouble with the smog authorities in your state. Nevertheless, many people tend to find a way to cut out or bypass this system to increase the performance or the sound of their vehicle.

Photo Credit: Boss Exhaust

There is no right way to do this, and most automakers have installed computer systems that let the vehicle know when the airflow just isn’t right. When you remove a catalytic converter you are removing an important part of the vehicle, and this usually won’t work out.

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