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      09-16-2016, 10:02 AM   #4
protecon
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Drives: 2010 X5M MCB
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There's negligible drop on intake as it's all negative pressure. I'd be more concerned on getting every psi generated by the turbo to the intake manifold as cold and compressed as possible, rather than spending money on what is essentially overcomplicated CAI that usually best fits NA motors.

The only reason you're seeing flow (and potentially power) increase is because you've reduced the volume of filter.
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