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      08-16-2017, 09:04 PM   #14
apsuard
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Drives: 2021 BMW M5 Competition
Join Date: Jan 2013
Location: Minneapolis, MN

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My recommendation is to gut your OEM downpipes or buy another set off Ebay for $300-$500 and gut them. They are double walled so you won't have heat issues in back cylinders, won't have any waste gate rattle, and fitment is perfect.

Too many horror stories about poor fitment on almost every brand of downpipes.
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