Simple questions for this catless x pipe. For the circles in red, do i simply plug them in with plugs and if so where can i find them? or do they need to be plugged with o2 sensors? For the circle in blue, what is that for?
Simple questions for this catless x pipe. For the circles in red, do i simply plug them in with plugs and if so where can i find them? or do they need to be plugged with o2 sensors? For the circle in blue, what is that for?