bought a b&b performance muffler from pelican $$$ first thing I get is check engine light. any suggestions.

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I don't see how a muffler could set a fault code. Unless one of the oxygen sensors is unplugged or was damaged during the procedure.

I would start by checking the DME for fault codes. If the system is not working properly, a fault code will be set. This will be your best bet when diagnosing.


- Nick