Postby smj999smj » Sat Jan 25, 2014 11:25 pm
If you remove the catalytic converters, you will constantly trip the P0420/P0430 DTC's (unless you use some kind of O2 sensor simulators and trick the ECM) and you will fail NJ state inspection. It is also Federally illegal to remove them. As far as making adjustments, no, the decrease in backpressure will not require any adjustments (since engine management is computer controlled, there's nothing to adjust, anyway).