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Swapping out GM performance muffler

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Has anyone swapped out the muffler in the factory performance exhaust?


I was thinking I could use a Dynomax 17517 muffler and have an extension made to take up the difference in OAL. It just seems that 3.5” exhaust pipe in stainless is tough to find without paying out the nose for it.



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Any 3.5” straight through muffler will work but you will need to cut and weld pipe to connect it since the GM/Borla Muffler is longer then most aftermarket mufflers

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