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      12-25-2012, 06:16 PM   #11
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Drives: '11 E90 N52 6MT
Join Date: Feb 2012
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2010 E70 X5 35d  [5.00]
2011 E90 328i  [5.00]
Originally Posted by roure94 View Post
Would the charcoal delete w/ k&n filter drop-in will make it sound better?
How much gain of HP?
It does not make a lot of sound difference, neither do the euro or performance intake as they are closed systems. That said, closed systems are the best for actual performance in a BMW, for sound in the cabin, you would need an open system which some people have seen a loss in performance from. Either way, it is personal preference.

I have the common setup, cyba scoops, k&n with charcoal delete and like it for the price and stock appearance.