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Old 04-05-2021, 05:43 PM   #4
ImaginaryRex
Scooby Newbie
 
Member#: 353838
Join Date: Apr 2013
Chapter/Region: TXIC
Location: Houston, TX
Vehicle:
2017 WRX Limited
WRB

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Just an update for the possible future googlers: Short answer on a new tune being needed - No, but possibly. This was according to both the shop and the tuner (Ron).

The drive home after picking it up was uneventful. No knocks, no weird AF corrections. The rear O2 sensor died on me and I expect the front to fail eventually as well due to the amount of oil that was dumped into the exhaust.

I used the opportunity to finish my mods and installed a Jpipe and went ahead and retuned. All is well, hope I never have to deal with that again. The AOS was KillerB. However, I highly doubt this would have been avoidable unless there was no AOS installed at all.
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