What is Inside A Car’s Muffler and Catalytic Converter?

What is Inside A Car’s Muffler and Catalytic Converter? Why do people delete a muffler? What about a muffler vs a straight pipe? Oh and no, it’s not a muffler bearing. Mufflers reduce the amount of sound out of an engine, then also slow the exhaust gas down as it travels to the back of the car. You will also see why a performance exhaust sounds different from a stock muffler. I did a video on Exhaust Replacement Tips, if you want to learn about installing a performance exhaust.

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