Originally Posted by tunaglove
Also on that PLX unit for sale on here you can swap the wideband sensor into the narrowband bung and the red box will send an emulated signal to the ECU so it still sees a narrowband sensor. No welding!
Really? Have you done it? Is the current narrow band sensor the one on top
of the headers? Or after the primary cats or are they both AFR sensors? Thats a really good idea thanks man.