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Old 09-07-2010, 04:21 PM   #2
Scooby Specialist
Member#: 68402
Join Date: Aug 2004
Chapter/Region: VIC
Location: Coquitlam, BC, Canada
2016 WRX


You should try just flashing back to stock (unless you are missing one or more O2 sensors) that would be your best bet, or to install the old downpipe and any missing sensors go stock and retest, it's only once every two years so it's not that much pain.
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Drakar is offline   Reply With Quote