Originally Posted by cjspecial
We have had great success with the long tube and 100 cell metal matrix cats. Some cars are a bit sensitive and need a reflash of the ecu for recalibrating the 2nd O2 sensors and tuning for proper A/F ratio. Where are you located?
I would be amazed if you can fit long tube headers between the frame.
We could just plug-in an oxygen simulator on the second O2 sensors, shouldn't be that hard to do.