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Old 09-16-2012, 03:57 PM   #17
macdiesel
I used to drive this
 
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Join Date: Jan 2006
Fan#: 31579
Location: Chicago, IL
What I Drive: 2010 red mazdaspeed3 w/tech package

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I've used a k&n filter on my cai for about 90k and have never had any problems with the maf sensor. Just follow the directions when cleaning/re-oiling and you'll be fine. No changes in mpg's either.
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