Muffler inlet smaller than outlet
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Staging Lane
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Join Date: Dec 2010
Location: Buffalo, NY
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Muffler inlet smaller than outlet
Finally got around to installing my new mufflers on my 2006 Impala SS and i discovered the inlet pipe is indeed 2.0 inches and the tail pipe is 2.25 inches. Every parts catalog ive looked in all say you need 2.25 inch replacements.... Well i for sure had to use two reducers to make the fit work. Im not sure if this is an 06 impala thing only but i thought i would pass the knowledge along because people tend to ask about muffler sizes.