XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

Exhaust/Cats

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Old Mar 5, 2020 | 11:45 AM
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Tribalart7769's Avatar
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Default Exhaust/Cats

Looking to swap out my catalytic converters for 200 cel .... how many will I need to purchase? Will these keep from any code flashing? And what size piping do I need? Any help would be greatly appreciated.
 
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Old Mar 5, 2020 | 12:49 PM
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2 cats, 2.25" in and out. Should keep CEL off. Make sure you dont have any misfires or vac leaks. The high flow cats wont last long if you do.
 
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Old May 7, 2020 | 06:24 PM
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https://en.wikipedia.org/wiki/Catalytic_converter
Our cars come equipped with 2 cats. I believe 600 cell.
 
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