u/Wild-East3603

As the title says can I use my rear o2 sensors with the speed engineering true duals? The car has no cats already and I have no CEL for it but I do still have the rear O2’s still just wondering if I can still use them and I have no idea if they already have been tuned out cars cammed and has a dyno tune maybe they can go we’re the wide band bungs are??? Any thots? Pic is rear o2 on driver side 2nd pic is the true duals I’m wondering about.