how to pass emission with no cat ??

[neonracer01]

@Swarzkopf

How about an 02 simulator (electric or mechanical) for the rear 02 sensor? They’re usually not very expensive and will guarantee no CEL.

i was looking into buying one but cant find one. were can i get it?

@BlkP42E"

you prob freed up alot of horsepower by gutting the cat on an 4banger s10
its actually my 03 impala