01-18-2020, 05:43 PM
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#10
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Second Lieutenant
Drives: 2020 X5 M50i
Join Date: Jun 2019
Location: Honolulu
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Quote:
Originally Posted by 130FeetDeep
Drop ins use the stock air box. You keep all the factory restrictions, but just get marginally better air flow versus paper filters. Most would prefer a whole new intake with larger surface area on the filters and less restriction on the pipes for MAX power.
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Got it that makes sense.
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