Lamba sensors/ oxygen sensors 200cell race cat

[thewatsonsmouts]

Any ideas where the two sensors should go to work properly? the 1 is in the original position on the downpipe but where should the one by the cat go? The Volvo cat had it on the start of the cat at the top? Not after the cat?

[T5RatherAmusin]

you got 3 ports in your new dp then
whap o2#2 in the last one

[thewatsonsmouts]

No I got one port after turbo, one just before the cat and one just after