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Hi all I have a R33 GTR V-Spec and am told would help if had a Decat pipe. If done what do you do with the small old sensor in Cat i do not want any warning lights on or flashing. what are pros and cons please. more running pros and cons?

thank you.
 

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The sensor in the cat is the cat overheat warning light. Just unplug it and tuck it away or remover it completly from under the seat in your car ;)
 

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GTROC NOBODY
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Well it's not actually a Lamda sensor as such, but measures the temp in the cat.
It doesn't have to be connected. I have mine tucked up inside the chassis underneath. Many people have taken them off and not had any issues, and i don't see any problem with it.
 

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The decat I have looks like a Cat when viewed from underneath, it has brackets for the cat cover to bolt up to, and spot for the sensor to screw back into, cops take a quick look yep theres a cat, so they think.
 
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