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maj75 · 03-08-2012, 09:12 AM

That is correct. There are O2 sensors in the headers (the factory pre-cat sensors) but the second set that would go after the cats are not installed. You could install them in the Che headers, but there is no reason to since they are not monitored.

03-08-2012, 09:12 AM	#1
maj75 Registered User Join Date: Jul 2011 Location: Lighthouse Point, FL Posts: 45	That is correct. There are O2 sensors in the headers (the factory pre-cat sensors) but the second set that would go after the cats are not installed. You could install them in the Che headers, but there is no reason to since they are not monitored.