Questions about headers and bypass

[ChrisZang]

Originally Posted by Boxtaboy

Was thinking about doing the Fabspeed cat bypass pipes on my 01, which has both primary and secondary set of cats. Wondering though- if I get rid of the cats in the rear section and replace with the Fabspeed Cat Bypass pipes, since there are a set of 02 sensors in the rear section as well, wouldn't that set off a CEL light if removed?

take a look at where your O2 sensors are and where the cats are on your car and then you have your answer...