hi all! i want to install 3" exhaust system and i want to remove rear o2 sensor. my question is which tables need to edit (disable trouble codes) to prevent lighting "check engine" light or something. thanks ! my car is usdm evo9.

 

Allow me to use the search feature for you, it would be my pleasure.

http://www.google.com/search?rlz=1C1...evolutionm.net

https://www.evolutionm.net/forums/ec...sim-patch.html

 

big thanks !