Thread: K&N High Flow Air Filter
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Old 05-03-2020, 08:36 PM
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Scott.T Scott.T is offline
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Join Date: Sep 2008
Location: Hastings, East Sussex
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Too good to be true.
Lucky to get 34Hp from a remap on the 2016 STi

Testing I did with a K&N on my Cupra gave lower airflow reading than the standard paper filter
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