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P0420 code options
Looking to fix the CEL p0420 code on my 2013 brz. I have diagnosed the issue and found that the cat is well on its way out.
I am looking at potential options. Would I be able to resolve this issue by switching to an after market UEL catted header and tune? the OEM cat would cost me roughly same amount but offer no performance gain over what I am currently running (stock everything).
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