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10-01-2009, 10:38 PM
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#1 | |
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Registered User
2003 WJ
Join Date: May 2009
Location: wise river, montana, wise river, montana
Posts: 1,025
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effect of pre cat on flow?
i want to know what the pre cats' effect on my exhaust cfm is? i did a flowmaster 50 series and that is it. my pre cat has some sort of sensor in it but i dont know what kind. i am think of removing the pre cat what might be the consequences? is there a high flow pre cat? would it be suggested to improve my cfms'? thanks, ron
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10-02-2009, 12:25 AM
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#2 | |
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Web Wheeler
 
2011 WK
Join Date: Sep 2008
Location: Burlington, Kentucky
Posts: 5,170
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the "sensor" is an oxygen sensor you have 4 of them
__________________
Interested in Amsoil? Sold4" Hybrid lift TeraFlex coils IRO Adjustable LA's Jks tracbar 1.25spidertrax spacers 265/75/16 Dura-tracs Quote:
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10-02-2009, 08:09 AM
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#3 |
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Hallowed be thy name....
1982 CJ8
Join Date: Sep 2009
Location: Kingston, Pa. 18704, Pennsylvania
Posts: 3,046
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You can't just remove any of the O2 sensors on OBDII vehicles or you will start throwing codes.
__________________
79' CJ7 82' CJ8 94' YJ 96' ZJ |
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10-02-2009, 08:26 AM
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#4 |
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Mr. Hyde!
 
2004 WJ
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Contact Kolak@aol.com and see what he says.
__________________
'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked |
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10-02-2009, 08:46 AM
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#5 |
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Registered User
2002 WJ
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x2 on contacting kolak. He is the exhaust guru.
__________________
2002 Overland - 4.7 HO, 242, 3.73 gears, bone stock for right now Duct tape is like the force. It has a light side, a dark side, and it holds the universe together. Speed makes up for clearance! |
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10-02-2009, 09:47 AM
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#6 |
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Luck favors the prepared
2003 WJ
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I picked up a couple universal magnaflow pre cats from kolak, though I haven't had them welded in yet. The exhaust shop told me they'd have to do a complete custom setup.
__________________
2003 WJ in Jeep Green Metallic, 4.0/242/4.10's. 4" Teraflex springs w/ RE monotube shocks and IRO short arms, cheap intake w/ amsoil filter, 2.5" hi flow cat and back exhaust, lots of lights and other misc crap. Check out my build thread here: Life lessons and budget build |
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