Hey there, I'm a Kiwi with a 2004 X-Jap 186kw Type-S, I just had a custom made 3" free flow exhaust, so yes, off came the Cat. Since the Catalytic Convertor is missing, do i need an O2 simulator to fool the rear Oyxgen Sensor? If so, where can i get one from?

Oh, and how do i remove the 200km/h (120MPh) speed Limiter? It just gets there to damn quick

 

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