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      10-06-2012, 07:10 PM   #42
sycd
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Drives: F80 YMB 6MT
Join Date: Mar 2008
Location: SF Bay Area

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2015 M3  [0.00]
2013 X5 50i  [0.00]
I don't have either but I'm going through the same process, and also considering m perf and borla atak. A big benefit of the akra is having an upgrade path to full Evo down the road.

I have only 3500 miles on my car and don't want to risk my warranty yet with the full system.

Another factor in my mind is that even though a loud exhaust sounds good at first, it can get old with time. I traded a mustang for the bimmer to have a car more balanced and refined and I don't want to try to make the m3 sound like a muscle car which it is not.

Also I'm afraid the drone of the eisenmann race will get to me. I had exhausts with drone on older cars and it made me literally sick, I know some people react to it differently than others.

Anyway, just wanted to share some thoughts from a guy going through the same excruciating decisions.
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2015 M3 6MT Stripper | Yas Marina Blue, Cloth, CF | Adaptive M Susp, 437M
2013 X5 xDrive50i | Carbon Black | M Sport + M Perf, 333M Wheels