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How does putting on a free flow exhaust keep temps down?

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Old 06-27-2001, 07:33 AM
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Default How does putting on a free flow exhaust keep temps down?
Does installing a free flow muffler/exhaust reduce turbo temps?
How does that happen?

Also, does insulating (ie. keeping exhaust temps high!!) the cat and exhaust piping improve performance?

Thanks in advance.
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Old 06-28-2001, 06:36 PM
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Less back pressure means less heat
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Old 06-29-2001, 12:50 PM
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Default Re: How does putting on a free flow exhaust keep temps down?
Yes, exhaust flows faster the hotter is. One of the reasons to coat headers.
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