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      11-06-2018, 09:37 PM   #1
E30ROB
Second Lieutenant
United_States
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Drives: 2013 X5 35i M Sport AW3
Join Date: Feb 2017
Location: Los Angeles, California

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128i with N55 Magnaflow 15527 & AA headers

Recently changed my exhaust to the N55 Magnaflow 15527 for a few reasons..

Ill list MY reasons, and my opinion about it, and some photos to follow when I get the car on a lift.

Reasons I got it:
1. I needed/wanted a full, matching exhaust system to replace my chop shop
OEM exhaust.
2. I needed an exhaust without cats but also needed to quiet the car down,
because N52's are notoriously loud after 5,000 rpm.
3. Versatility with the muffler for when I finish the 1M conversion I can slip on
the 1M magnaflow, or 1M Akrapovic slip on.
4. Price! I got the full system on sale for $775 shipped from HOTTEXHAUST.COM

My opinion and fitment:
I think it definitely toned the car down from where it was on Db. It gave the car alot deeper sound, with some slight rasp under load between 1000 and 2000. The sound has characteristics of a VQ echaust note.

The fitment was good as far as bends, however I am running aftermarket headers and aftermarket exhaust so the midpipe is currently touching against the heat shield. On thursday we will change the header flanges to V-Bands and re-align the midpipe.

The system is 3" all the way through, and the tips are big for the N52 non m-sport bumper.
Appreciate 0