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Okay my mbrp exhaust gets rid of my cat. Which in the state of NC you need to have emissions test done. So my question to you guys without buying a tuner saving money up now for one. How can i get it so my car reads the rear 02 sensor is working properly.
 

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you need to buy a cheater harness for the rear O2 sensor
 

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Okay my mbrp exhaust gets rid of my cat. Which in the state of NC you need to have emissions test done. So my question to you guys without buying a tuner saving money up now for one. How can i get it so my car reads the rear 02 sensor is working properly.
How does your setup deletes the cat? Did you install a race header? IMO, installing a flex-back MBRP exhaust will not delete the cat. But, since yours is an 07, I am not 100% sure. You can add a sparkplug fouler to the O2 sensor to trick the sensor.
 
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