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      04-01-2021, 08:13 AM   #8
Deebo
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Drives: 2011 AW E90 ZCP
Join Date: Jun 2013
Location: Laguna Hills, CA

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Quote:
Originally Posted by amrazM View Post
arh catted headers will pass with e46m rear o2s.
I’m assuming you’re speaking from experience- any other details to share? I have been thinking about headers for both sound and more power on my supercharged setup. Any videos? Not sure if I’ve heard the catted headers before.
Appreciate 0