I actually looked into this and unfortunately mil eliminators or fouler will not work on 11-13 coyote. Only option is tune.
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Here, 90° o2 anti fouler from vibrant. Saw it done on a catless x 5.0 and it seems like it'd work without stacking multiple foulers. Exhaust - Vibrant Oxygen Sensor Defouler
That's pretty cool, but at $25 a piece (x2) that's expensive... there is plenty of room to use 2 foulers and not hit anything.
Is there any shops that have had any luck so far getting yes and no's
I have had zero issues other than the once-in-a-blue-moon CEL. When that pops up, it still doesn't affect the car, I just drive her easy till I can clear the code, just incase. Clear the code and go. Not sure what you're referring to as "cat cooling", but mine drives stock, just louder and a little more power.
You mean you know nothing of the COT feature which you choose to ignore?