I wanted to buy the RP catless mid pipe but i do not want to have a CEL. I know I cal buy the high flow cat and not have the problem but i want the sound of the stright pipe. Does anyone know of a software program like EFI LIVE for mazda that i get so that I can clear the code permanently. Or of a o2 simulator that will work with a 2006 shinka model. I talked to someone at RP and they said that a o2 simulator may not work since the ecu of the rx8 has been flashed some many times by mazda and the new computer are so complex that a o2 simulator to "dumb" to fool the computer. Please some one help I want to make my 8 louder then anything.