Catalytic converters are part of the exhaust system. They’re located between the engine and the muffler, usually closer to the engine. This helps them warm quickly to the high temperatures where they’re most effective.

Can I drive my car without a catalytic converter?

As a general rule, yes you can drive without a catalytic converter. Driving without a catalytic converter will not damage the engine or the car in any way. However, it may be illegal to drive without a catalytic converter in your state and it is likely that your vehicle will fail an emissions test.

What will removing the catalytic converter do?

Catalytic converters create a significant source of engine back-pressure due to the constrictive effects they have on exiting engine exhaust gases. Removal of catalytic converters from cars allows exhaust gases to exit their engines much faster and at higher levels.

Do you really need a catalytic converter?

A car will not function well without a catalytic converter, and small problems could eventually lead to engine failure. The catalytic converter helps to reduce airborne pollutants that could harm people as well as the environment, turning 90% of harmful emissions into less harmful gasses.

Related Question What does s catalytic converter do?

Will my check engine light come on if I remove my catalytic converter?

Other impacts of removing the converter include risking damage to the other components, primarily the oxygen sensor, which works in conjunction with the catalytic converter. This may also cause the check engine light to come on, which will cause the vehicle to fail an emissions test.

How do I know if my catalytic converter needs replacing?

  • Sluggish engine performance.
  • Reduced acceleration.
  • Dark exhaust smoke.
  • The smell of sulfur or rotten eggs from the exhaust.
  • Excessive heat under the vehicle.
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