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High flow cats

   
Old Apr 6, 2015 | 09:34 PM
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Default High flow cats
Hey i have a 2001 ram 1500 with 5.2l. I have heard that putting a high flow cat on will turn on the check engine light. Ive also heard that some will not. Has anyone put a high flow cat on a 5.2L and not have a CEL go on??
 
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Old Apr 6, 2015 | 10:43 PM
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No it will not.
 
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Old Apr 6, 2015 | 10:50 PM
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There are many people here running high flow cats on there trucks with out any problems.
 
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Old Apr 7, 2015 | 10:21 AM
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Running 2 hi-flo Dynomax cats on my V10 with no lights or issues for 2 years now.

Go for it.
 
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Old Apr 7, 2015 | 10:46 AM
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Cutting your cat out and replacing with a piece of stright pipe will do it though
 
Last edited by jkeaton; Apr 7, 2015 at 11:22 AM. Reason: fixed spelling so it made sense
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Old Apr 7, 2015 | 03:13 PM
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I have Magnaflow Cat on my 1997 5.9 and have no issue with it.

Like HamBone said, straight piping it will set off a Check Engine Light, and it's illegal.
 
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Old Apr 8, 2015 | 03:41 PM
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I have Magnaflow Cat on my 1997 5.9 and have no issue with it.
Same here, No issues!
 
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Old Apr 8, 2015 | 08:46 PM
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Originally Posted by 1997JollyGreenGiant
I have Magnaflow Cat on my 1997 5.9 and have no issue with it.
+1 on my '98
 
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