Deafening Headers??? - JeepForum.com

 
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post #1 of 5 Old 01-16-2005, 05:47 PM Thread Starter
gumcrew2
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1991 XJ Cherokee 
 
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Deafening Headers???

Ok, I've got an '88 Cherokee with a 4.0 inline six. I just spent the weekend installing a new intake, 58mm throttle body and spacer, and new exhaust headers. I noticed a TREMENDOUS power increase, but also it's DEAFENING, I figured that it would be a bit louder but it's at the point that when I'm accelerating it sounds like a helicopter's in the back seat. Is this normal? I checked and made sure that all the connections were good and that the intake and exhause manifold sealed well and everything was fine. Any suggestions?

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post #2 of 5 Old 01-17-2005, 01:39 AM
Texasmudder
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Got a muffler??
If you are running open headers it would be pretty obvious why.
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post #3 of 5 Old 01-17-2005, 11:28 AM Thread Starter
gumcrew2
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Yea, I've got the muffler and catalytic converter on it still. don't know what it is though
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post #4 of 5 Old 01-17-2005, 11:30 AM
Texasmudder
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Your header is not mounted properly or you need a new gasket for the collector. Or the pipe is rusted through somewhere.
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post #5 of 5 Old 01-17-2005, 11:46 AM Thread Starter
gumcrew2
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1991 XJ Cherokee 
 
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Location: Denver, CO
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I just peeked around with a flashlight and sure enough I can see a cracked gasket on the collector, thanx. If I can see it that means it's probably a big crack.
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