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Old 05-02-2003, 12:12 AM
wby300 wby300 is offline
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Join Date: Feb 2003
Posts: 19
Installed new Cat, and replaced Exhaust, puff of black smoke

Hi, I just installed a Cat, and replaced the exhaust with a 2.5" Aerospeed by itself, it runs great and but i noticed that a slight puff of black smoke when i hit the gas, to in park, to hear the exhaust? It also smells alittle rich when i start it cold? Be changing the exhaust to a much greater flowing system would i need to adjust any fuel or air mixtures? Or will the cars computer adjust itself?
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