it not just solving the CEL light problem when CAT is removed, but also can alter it to make the engine slightly more power and better fuel economy. Its based on the basics of adjusting the A/F mixture to a but leaner, must be within the tolerance of the ECU, if not the ECU will run on safe mode.
limch1 said:
HMS,
Am I able to fix that for my car? Where shall I fix it then? Interesting...