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      07-16-2011, 02:17 AM   #24
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Drives: 2013 C4S cab/2011 E90 M3
Join Date: Jun 2007
Location: Bay Area, CA

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Originally Posted by CCL16M3 View Post
So what was your honest opinion about the Magnaflow system... They claim about 16 HP gain, light, and I had a Magnaflow system on my previous car (Charger SRT8). I just dont know about a Magnaflow system on a BMW... What do you think?
I loved the Magnaflow on my E60 M5.

On my E90, it droned like crazy, like so badly it drowned out my wife in the passenger seat at 2000 rpm. And then it got quiet over 5000rpm.

I hated it. It was the worst drone of any exhaust setup that I've owned. Not even any of the other exhausts with an aftermarket X pipe droned that badly.
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