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      02-11-2017, 05:54 PM   #10
adisz
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Drives: 2023 BMW M3
Join Date: Feb 2016
Location: NY

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Quote:
Originally Posted by d0scas View Post
I had this as well when I had my downpipe installed, I just didn't think much of it because I was untuned with the catless downpipe in, but I have no idea if it has done any damage that will present in the future
I'm assuming you are now tuned
and it idles normal?
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