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Old 11-15-2008, 07:42 PM   #1
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Exhaust 98 wrangler

I have a bad cat, it rattles like it is broken inside. I am planning just to replace the entire thing as I am planning to keep this one for awhile. Any suggestions? Cheap stainless?
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Old 11-15-2008, 10:43 PM   #2
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Mine's been rattleing on and off for a year. I understand the original header gets cracks in it after 100k. I've been waiting to replace my whole exhaust.
I'd like to try a temp repair on what I have.

'98 Sahara, 35's, Fully Armored?
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Old 11-16-2008, 09:12 AM   #3
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Just did this on a '97 Sahara (157,000)- be real careful with the O2 sensor on the Cat. mine quit after installing the new Cat. You'll likely ruin the muffler to change the Cat. I went with a Walker Cat and muffler from Advance but the tailpipe was cheaper at Autozone. All parts were good quality and fit. The Walker Cat required cutting a few inches off the head pipe, instructions were included.

The welded flange on my manifold had broken loose requiring removal to re-weld.
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Old 11-16-2008, 05:27 PM   #4
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Are you sure the problem is internal and not just the heat shield? 2 nice long radiator clamps around the cat and the rattle's solved.
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