I have a 2011 GT Mustang. I recently had a performance exhaust
installed on my car. Shortly after, I noticed the check engine
light was on. I then took my car into another shop for some body work and to have the engine light inspected. Sure enough, they said there was an issue with the catalytic converters
, and that they would need to replace the stock ones to fix the issue, allowing me to pass a state inspection.
Obviously, I am not eager to pay to have stock catalytic converters installed back on my car when I just paid to replace them with, presumably, superior parts. I have read that one way to bypass this issue is to get the check engine light off by disconnecting the battery, and then hoping the light does not come back on as you complete a drive cycle before getting the car inspected.
Please let me know if you have any suggestions on how to get around this problem, preferably without resorting back to stock parts. I know research is my own responsibility, but I certainly wish the shop that installed the new exhaust would have warned me about this possibility. I plan on contacting them, but I do not expect much to come from that.