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      02-13-2020, 12:18 PM   #8
mweisdorfer
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Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI

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2007 BMW E90 335i  [0.00]
2008 bmw x5  [0.00]
Quote:
Originally Posted by Soden82 View Post
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Originally Posted by lukemcmullen45 View Post
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Originally Posted by okayboomer View Post
I built a custom exhaust for my car using single tips on each side at 3.5" and they're pretty damn big. I'd probably go with a 3" dual tip design that keeps the tips even with each other. Other than that single vs dual walled and finish is all preference

here is a pic of a 3.5" tip for scale: imgur.com/Webb6Zs.png
Oh geez, I ended up just going with new dual tips for now. I just got my 4" black tips in today, I think they'll fit barely, we'll see though.
I went with dual 3.5" tips that just cleared. I also dremeled the rear m sport diffuser using the template from the remus website for their quad exhaust.
What attachment did you use on the dremmel?
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