Residue on exhaust tips????

Zims-mustang

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Jun 21, 2011
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I have a intake pulley and tune, and my exhaust tips get a black residue very fast and shows alot more on my corsa chrome tips. Also if its revved up it gives a black smoke. Is this normal? Is this cause its running rich?
 

airmanb2b

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Jan 31, 2006
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McChord AFB, Washington
Condition normal. My car is white and I get a light black soot on the back of my car. Doing it since day one with several different tunes. Worse now with the off road h and stingers. Even without wot runs.


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dirtyo2000

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Jun 25, 2010
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with mom
Yeah what he said. After a couple days of hard runnuing the back of my car has it all over the rear. Looks like someone hit it with a bag of gunpowder. Especially the white stripes
 

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