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A catalytic converter is a small pipe, in which temperatures get so hot, it will help convert the exhaust gas into a more environmentally safe fume and decrease pollution emitted from a vehicles exhaust and reduce the smell of gasoline. Removing a catalytic converter could make the exhaust 30-70 percent louder than the exhaust with the Catalytic Converter. In some states, running without a catalytic converter could be illegal and the fine could be as much as $2000.
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