Exhaust cutouts?

[UNITY]

Originally Posted by 907dave

Yes, you must have your O2 sensors before your cutouts. I would place them around 8-12'' before the cutouts to eliminate any false reading caused by the negative exhaust pulses. Do not use the anti-fouler's on them either, they need to be in direct exhaust flow to be accurate and responsive.

As for the rear O2's, I would just leave them alone, no anti-fouler's.

Then all you would need is a "no cat" program designed to ignore the rear sensors to eliminate and P0420 codes, and a "cat" program that will watch the sensors.

Should be no sweat for Bill to handle.

That is what I was hoping for. So it is doable to "turn off" the rear O2 sensors? Was not sure how that worked on the OBD2 systems. That would be amazing! The power...the sound