Tuning for catless downpipes???

[10bird]

Are these the same things that AJP said wouldn't work?
https://www.brewcityboost.com/product/defouler-for-o2-sensors/

 

[ajpturbo]

Are these the same things that AJP said wouldn't work?
https://www.brewcityboost.com/product/defouler-for-o2-sensors/

The ones on my 14 didnt work but they didnt have the mesh mini cat material in them i cant tell if the ones in the link do or not

 

[RAYJAY]

a little off topic but what data does the rear o2's look for? and as for the link for the defouler's, we been doing that on the subie's for years,(just used a spark plug defouler and drilled it out.

the other mod we did was to added a resistor to the 02 sensor ,