So as many of you know my cats been rattling for awhile well yesterday the noise changed it got a lot lower in pitch and I can feel it rattling. I'm taking that as a warning to replace it. My question is how to do it. I'm buying an aftermatket universal cat . O Do I just cut the old one off and clamp new one on. Will I need any adapters? Also te rear o2 sensor is pretty close to the the cat will I need to remove it or can I just chY as close to the cat as possible and slide the new one in? I want to make sure I understand fully so I don't have to waste time doing it. I appreciate it as always thanks guys.
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