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Re: IF you get CEL when removing the cat, what will happen to the engine? (SkodaRS)

Back in the day, we used to think that removing the cat would affect the power output of the motor, ECU coming into play.
I don't think we had a clue. Only side effect will be the CE light. You will get a Cat Effeciency Low, Bank 1 fault, or something like that, but no negatives on engine performance.
 
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