Originally Posted by cosmo1
I finally got around to gutting the cats today and installing an 02 sensor extender. No codes and the car feels Great!! I may go ahead and get the reflash done through rr-racing..
will the reflash be done via mailing in your cpu to RR?
do you think gutring the cats and rhe o2 mod will and or the flash be detected by the service dept. And put ypur warranty at risk?