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      12-09-2021, 12:22 AM   #215
hellokitty
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Drives: '17 M3 ZCP DCT
Join Date: Jul 2010
Location: Southern California

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Quote:
Originally Posted by Wanted_M View Post
Quote:
Originally Posted by hellokitty View Post
My ARM DPs are rattling even after being tack welded. I think you need to weld all the way around the flange for it not to rattle.
Maybe one of your tack welds cracked? Maybe stitch weld it all around.
Maybe… but I have AA catted downpipes going on next week so I will be selling my ARM downpipes shortly thereafter.

It will be much easier for the next person to weld it fully before installing.
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