SAMOHT023 Posted August 29, 2004 Share Posted August 29, 2004 I HAVE A 93 SC400 AND BOTH CATS HAVE BEEN GUTTED. WHAT EFFECT WILL THIS HAVE WITH THE PERFORMANCE OF THE CAR. I KNOW THERE ARE TWO O2 SENSORS AFTER THE CATS. CAN ANYONE GIVE ME SOME INFO ON THIS TOPIC? Quote Link to comment Share on other sites More sharing options...
Mr. Curious Posted August 29, 2004 Share Posted August 29, 2004 first, stop yelling. if your car was retuned for having no cats, youre fine. if the cats were just gutted, youd better be replacing them ASAP. Quote Link to comment Share on other sites More sharing options...
Theodore Posted August 29, 2004 Share Posted August 29, 2004 gutted cats =more HP gutted cats = no inspection for vehicle. (unless) Quote Link to comment Share on other sites More sharing options...
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