Quote Originally Posted by 06PONTGP View Post
yeah i was thinking of making a fake one idk but here in ohio they just started the self serve echeck via the obd2 so maybe i can get away with the cumputer trick
Simulator will kill the SES light but only screw with the cat diagnostics in the PCM if it is an '01-'08 car.

'97-'00 you can use the sim and it works.

Otherwise, get a fake cat from frozen boost.

Stock DP "cat": High Flow Cat
3" "Cat": High Flow Cat