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when to replace catalytic converters??

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Old Apr 13, 2009 | 02:38 AM
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Default when to replace catalytic converters??

my truck has 184000km on it with the factory exhaust and im thinkin its time for a new exhaust system(probably magnaflow) but i dont want to do it if the cat's are plugged. when do the cats usually start gettin plugged up?
 
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