Hey all...I have a quick question about the cats on these cars. I have a 94 V8 and One of the cats is going bad or has already gone bad. It has that bad cat smell. Anyways, I'm pretty sure its the 3rd cat thats bad. I want to just take it out and replace it with straight pipe. Is there an o2 sensor after the third cat? Am I better off just taking it out and gutting it, or buying a high-flow cat from summit or elsewhere? Any help or direction is appreciated, thanks.