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Old 06-25-2014, 04:17 AM   #1
JEEPIT-G's Avatar
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Location: wilsonville,or
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I have a 05 Rubicon wrangler and I have the two pre cats. I'm thinking of upgrading the headers. I would like to get rid of the pre cats and just use the back cat. Any ideas on a header that will be great for a upgrade and to give me better performance was thinking of getting the afe twisted steel header 4 wheel parts number afe48-46202 does anyone have this header or have used this header

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Old 06-25-2014, 11:25 AM   #2
Join Date: May 2013
Location: Westchester, IL
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stick with OEM, those pre cats are what do most of the work and without them you will have no way to tell your pcm what the air to fuel ratio should be. there hasnt been a single aftermarket header that has been a significant upgrade over stock and most fail prematurely

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Old 06-25-2014, 11:32 AM   #3
Knows a couple things...

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X2, not to mention you'll have a constant Check Engine light and diagnostic trouble codes if you got rid of the pre-cats.
When you have a choice, buy American.

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Old 06-25-2014, 04:05 PM   #4
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Well I have to do something because I have a bad pre cat and a cracked header
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Old 06-25-2014, 05:01 PM   #5
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Like they told you, get the OEM parts.

2003 Shale Green TJ Sport
2013 Black JK Sport S
A Jeep Wrangler is like a set of Legos for adults.
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