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      07-09-2008, 05:23 PM   #7
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J08M3's Avatar
Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

Posts: 6,012
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Originally Posted by JEllis View Post
Congrats...nice when an install goes smoothly and is cheap!

I would like to hear your thoughts on the interior sound...droning?

When the engine is cold at idle there is quite a bit. Once it warms up it seems to go away. It's really quiet inside when you're on the gas, but you get a little bit of drone around 1,900 RPM if just barely on the gas like 10% or so, soon as you let off or accelerate more it goes away and is quiet again. I haven't gotten to cruise at high RPM yet since I haven't been on the highway with it installed. Sounds great though on hard acceleration over 3,500.
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