Thread: ?? Difference?? Innotech
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      08-25-2011, 12:25 AM   #27
UsurbrainM3
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Drives: 2008 e90 M3
Join Date: Jan 2011
Location: CA

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With the valve closed, no drone at all... I'm very sensitive to it because my 2 year old sleeps in the car. Open the valve, and there is drone....

Quote:
Originally Posted by f32458 View Post
Thanks! Great video you got there. Love the sound!
Is there any drone in the cabin?
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2008 E90 AW
Exhaust: Innotech full system with magnaflow cats.
Exhaust video:
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