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About mshelley

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Profile Fields

  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    1999 996
  • Future cars
    Newer Model 911
  1. I just installed the K&N cone filter setup and it only took 2 days before the MAS went bad. I just got my car tested by our local Porsche tuner due to my check engine light was on and it the car was running really bad. After hooking it up to the computer it clearly showed the MAS was out of range. After the Porsche tuner guy laughed at my problem due to the amount of people he sees come in with the same problem he explained to me that the K&N filter was a bogus upgrade and after putting several cars on the dyno he has yet to see any really horse power gain. He told me that if I want to run the K&N setup, the best way to keep the MAS from going out is to clean the filter really good to remove the oil and run it dry using the dry charge sock that comes with it. It does not take very much oil to get sucked into the MAS and hender it's ability to read the air flow correctly. It appears I have to purchase a new MAS due to the new K&N install. I did not add any additional oil to the filter and only installed it fresh out of the box. I did expect it before hand and it did not appear to have any signs of over oiled. Hope this information helps. Mike
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