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msr635 · 10-08-2011, 10:22 PM

The only one of those I have is on the car. I think there may be some aftermarket exhausts that go all the way to the cat. You have to have the cat to keep the O2 sensor hot. I was going to eliminate the cat until I figured that out.

10-08-2011, 10:22 PM	#19 (permalink)
msr635 EcoModding Lurker Join Date: Aug 2008 Location: Midland, Tx Posts: 24 Thanks: 0 Thanked 0 Times in 0 Posts	The only one of those I have is on the car. I think there may be some aftermarket exhausts that go all the way to the cat. You have to have the cat to keep the O2 sensor hot. I was going to eliminate the cat until I figured that out.