Quote:
Originally Posted by ZontheRocks
I have a 2016 and I just installed ART pipes and have Stillen intakes and Motordyne exhaust. The I bought the ART pipes used and they came with O2 sensor spacers. No CEL for me after over 100 miles of driving. No tune.
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I hope that your CEL stays off, however 100 miles is not much of a test.
The newer ECU control strategy will detect the test pipes and throw a CEL of "too lean" due to the post cat o2 sensor being used to detect any lean/rich bias of the air/fuel ratio sensor.