help whats better AEM INTAKE OR STOCK AIR FILTER? - Page 3
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This is a discussion on help whats better AEM INTAKE OR STOCK AIR FILTER? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Technical Articles Comparing other cars to Subaru's is pointless if for one you don't understand the difference between MAF based ...

  1. #31
    Moderator Donkey's Avatar
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    Comparing other cars to Subaru's is pointless if for one you don't understand the difference between MAF based fueling and MAP based/speed density fueling and secondly the difference between MAF sensors and what the issue is. The main issue is that the GM/FORD type is housed in it's own enclosure. So for the most part it's calibration stays true. All your doing for the most part is shoving a filter on the end. The newer Subaru MAF as used in all the USDM WRX/STI's has to be calibrated to the ID to whatever housing it is installed in (new intake tube).

    GM/FORD type MAF:


    Suabru/Toyota type MAF:
    Last edited by Donkey; 01-19-2013 at 05:00 AM.
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