Quote:
Originally Posted by fstlane
Is it advisable to still run an o2 sensor spacer on a catless header with OFT stage 2 or does the tune eliminate both P0171 and P0420 CEL codes? I'm installing a Borla uel header this weekend and want to try and eliminate any potential issues. Thanks again for the awesome work!
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I don't think there is any need to do an 02 sensor spacer if you are running the OFT since you can disable the emissions code routines. But I have not tried removing the o2 sensor spacer in my header to confirm this. I should have the Stage 2 map (for cars with catless header) released early next week which should work quite well with your new mod
