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AVOturboworld · 02-02-2013, 08:16 PM

If you remove the primary cat in the header, you will definitely get a CEL if you don't take steps to compensate. If you remove the secondary cat, there's nothing back there to take issue with that fact.

02-02-2013, 08:16 PM	#6
AVOturboworld Join Date: Jan 2012 Drives: 2013 "AVO Orange" FR-S Location: Seattle, WA Posts: 1,067 Thanks: 69 Thanked 2,277 Times in 636 Posts Mentioned: 108 Post(s)	If you remove the primary cat in the header, you will definitely get a CEL if you don't take steps to compensate. If you remove the secondary cat, there's nothing back there to take issue with that fact.