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Cobb - intake required for stage 2
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02-01-2013, 06:25 AM
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b1aze
Just one more taste...
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Drives: 2013 128i 6MT MSport
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It's one of those things you can check for easily by logging. I reverted back to stock airbox after 2 different intakes and aside from the noise, I notice almost no difference in performance. I think the vacuum sound is sort of a placebo effect.
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