Thanks! I want to keep either the std cats (preferable, cheaper) however is it that much more of a job to change the headers?
The other options are if there is enough void before the cats material, try and weld them there, or failing that replace one set of lambdas with the widebands and send a signal to the ECU, done this before, but as i don't know if the lambdas are true widebands, simulated or just plain std lambdas,
But even if i remove and replace, i think i would have to leave the lambda heater circuits connected, unless i could find out the resistance? anyone know?