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      09-26-2012, 02:26 AM   #295
ZeroSix
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Drives: 2013 BMW 335i
Join Date: Dec 2011
Location: SoCal

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2013 BMW 335i  [5.00]
Quote:
Originally Posted by Andrew@ActiveAutowerke
The placement of our drone chamber will create some back pressure. Ill take a picture and show you what i'm talking about.

Gaines were seen throughout the entire rpm band except for redline where it matched that of the stock muffler.

Ill post some official results tomorrow but I believe it was 5-6 whp and 7-8 wtq.
Woooo! I didn't even expect a gain of power. That's awesome!

Last edited by ZeroSix; 09-26-2012 at 05:57 PM.