Focus Fanatics - View Single Post - Anyone recognize this High Flow Cat pipe?
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Old 12-29-2012, 02:58 PM   #16
macdiesel
I used to drive this
 
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Join Date: Jan 2006
Fan#: 31579
Location: Chicago, IL
What I Drive: 2010 mazdaspeed3

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The post cat 02 sensor is in a bad spot. Riht at the bend. My original cfm hfc looked like one in picture and ended up cracking in a few places. One of which was on the second O2 bung. I believe cfm did away with that design due to failures.
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