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Old Nov 20, 2005 | 01:29 PM
  #1  
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i changed my exhaust today, headers and everything, i got a 2 1/2 inch pipe, and now the problem is, alot of smoke coming out the back. It didnt do this with the stock exhaust. Anyone know what the prob. is?
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Old Nov 20, 2005 | 01:34 PM
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If you replaced the full exhaust system my guess would be some of the Packing material in the muffler burning off. I know this is really common on quads and street bikes with new packing or exhausts. It will go away eventually.
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Old Nov 20, 2005 | 03:21 PM
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What color smoke?
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Old Nov 20, 2005 | 03:30 PM
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Originally Posted by txhatch
What color smoke?
Thats the question right there...
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Old Nov 20, 2005 | 07:08 PM
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its like between black and white... more black tho.. but it never happend with stock exhaust so I wouldnt think its the oil burnin or anything.
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Old Nov 20, 2005 | 07:18 PM
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You could possibly just have an exhaust leak. Check the bolts on the header, and down around by the cat. Im almost positive that is the problem....seen it like 5 times before.
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Old Nov 20, 2005 | 07:23 PM
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or since you have a higher flowing exhaust syetem, your ECU migth run a little rich seeing how the engine is exhaling better?
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Old Nov 20, 2005 | 08:20 PM
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Originally Posted by JoePannone
or since you have a higher flowing exhaust syetem, your ECU migth run a little rich seeing how the engine is exhaling better?
True, give it a few days and see what happens. It could just be running rich for a few days and then stop. Funny things happen when you change/add parts.
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Old Nov 20, 2005 | 08:25 PM
  #9  
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a 99 civic has 2 o2's on the exhaust system right? I have one installed correctly, and the other one is just a dummy, cause its on the headers, and thats not where its supposed to be, could that be a problem?
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Old Nov 21, 2005 | 05:47 AM
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I'd reset the ECU if you havn't done so already.

I imagine it is just smoking since it is new.
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