EXHAUST & EMISSIONS

This section can help you keep your exhaust system working properly. Learn how mufflers, catalytic converters and oxygen sensors work.

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What is a catalytic converter and how does it work?

If you have a vehicle that needs to be tested for emissions, you might want to check on the condition of your catalytic converter. So what is it and what does it do?

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  • Why is there a bulge in the exhaust pipe of my dirt bike?
    Why is there a bulge in the exhaust pipe of my dirt bike?

    I have a dirt bike and the exhaust pipe has this big bulge in it near the engine. What is the bulge for? See more »

  • Top 7 Ways to Reduce Your Driving Emissions without Reducing Quality of Life
    Top 7 Ways to Reduce Your Driving Emissions without Reducing Quality of Life

    Here are seven easy ways to reduce your emissions without affecting the quality of your daily commute. Learn more about the top 7 ways to reduce your driving emissions without reducing quality of life. See more »

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