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Modified XJ Cherokee Tech XJ (84-01)
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all muffler and exhaust questions go here!!!!!!

Old 12-22-2018, 08:14 AM
  #4951  
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​​​​​​Yeppers, quite familiar with emissions thanks for your response. Ya I would be eliminating the cats, and yea the state I'm in has no regulations with emissions.
My worries were the physical size of the ports from the head to the manifold. If the 99's were a different size to the 00/01's

Thanks again.
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Old 12-22-2018, 08:23 AM
  #4952  
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Originally Posted by Cusimano
​​​​​​Yeppers, quite familiar with emissions thanks for your response. Ya I would be eliminating the cats, and yea the state I'm in has no regulations with emissions.
My worries were the physical size of the ports from the head to the manifold. If the 99's were a different size to the 00/01's

Thanks again.
The ports are smaller on the 00-01 so you should be good. I've only heard of issues with using a different intake/exhaust won't be renix Cherokees because the intake and exhaust ports were in different locations than they are on the newer heads
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Old 12-22-2018, 09:01 AM
  #4953  
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Originally Posted by DDD View Post
I just purchased a 2000 XJ sport 4x4 4.0, and cannot seem to get straight answers from the internet on an exhaust replacement. I see 2.25" and 2.5" as direct replacements. how is this possible? I'm looking to replace the cat, pipe to muffler, muffler, and tail pipe.

Any help is appreciated.
Darryl
Do you have a CA Emissions one or a Federal Emissions one. My '00 is CA Emissions. I replaced the dual cat back. All Walker parts. Everything is 2.25 if I recall correctly.
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Old 12-22-2018, 07:36 PM
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Originally Posted by SatiricalHen View Post
The ports are smaller on the 00-01 so you should be good. I've only heard of issues with using a different intake/exhaust won't be renix Cherokees because the intake and exhaust ports were in different locations than they are on the newer heads
Cool thanks again!
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