How many 02 sensor simulators do I need....

[GreyGoose]

I would like to know if I need 2 or 4 of them with a Offroad mid pipe???

 

[70stangcoupe]

2.

You're only changing the reading of the rear 2 o2s.

 

[GreyGoose]

2.

You're only changing the reading of the rear 2 o2s.

Ok thanks

 

[TopDeadCenter]

2

front o2 sensors stay plugged
the 2 mills replace the black 2...u might have to cut some plastic..i did..as well as a lot of people..no biggy