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Old 09-25-2012, 12:00 PM   #9
GrimmSpeed
NASIOC Vendor
 
Member#: 136396
Join Date: Jan 2007
Chapter/Region: MWSOC
Location: Minneapolis, MN
Vehicle:
2013 BRZ
SWP

Default

Definitely replace the o2 sensor but you should also be looking into a tune. A cobb AP would be an easy and effective solution. You could also work with an E-tuner if you don't have anyone in your area.

Mike
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