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      01-31-2018, 06:25 PM   #19
mike@x-ph.com
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Drives: 07-335/12-328/18-M4/21-M4CP
Join Date: Sep 2013
Location: Las Vegas

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Quote:
Originally Posted by skip2mylou View Post
i just got my downpipe fix from vrsf , is it safe to install and leave it on forever?on N54?
Quote:
Originally Posted by IllSic_Design View Post
You are NOT supposed to leave it on forever, it can and will alter your fuel trims.
+1
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