Thread: Cadillac quiet performance exhaust?
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Old 12-27-2020, 10:31 PM
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Scarebird Scarebird is offline
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Join Date: Nov 2002
Location: ABQ, USA
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2-1/4" is a LOT quieter than 2-1/2". Run largest Dynomax mufflers and resonators.

Also, 2-1/2" pipes on 2-1/4" manifold are a royal pain in the ass to do the nuts.

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