"I am for truth, no matter who tells it. I'm for Justice, no matter who it is for or against. I'm a human being, first and foremost, and as such I'm for whoever and whatever benefits humanity as a whole" - Malcom X
Get in contact with a revo dealer and ask them if its part lf the standard stage 2 revo tune.
When i was running revo, the sensor part of the tune was disabled, while the heater checks where not, so it was still required to be plugged in.
there are other tuning options that will accomodate a test pipe and/or rear o2 delete. the Gonzo software I offer at my shop lets me delete a rear o2 completely.
The rear 02 sensor is actually used in some applications for backup load calculations and fuel verification.
Any tuner completely writing it out allowing you to remove it is doing you a disservice, especially on a street car.
We do not disable the sensor on any of our applications.