Is it free to upgrade from APR Stage 1 software
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Is it free to upgrade from APR Stage 1 software
to APR Stage 2+ software? Will this not throw a CEL w/piggie pipes? How about a CEL w/piggie pipes and no cats?
#2
If you are the original owner, maybe. I bet it costs some small amount...
You shouldn't throw a code with Piggie pipes if you relocate the 02 sensors and didn't remove the main cats no matter what software you run. Without cats, APR 2+ will show no codes.
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