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Discussion Starter #1
Installed a sct with canned tunes a few weeks ago, and now when I floor the gas brown smoke comes out the exhaust. Any idea what that could mean?
 

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I hope your not serious. But if you are, it's unburnt fuel coming out your tailpipe. It's normal with most tunes.
 

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Brown is kind of odd. Maybe it's more black. But that's just wasted fuel and power because you have too much fuel and not enough air.
 

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Discussion Starter #4
It's def not black it's brown and smoggy looking. Ive seen plenty of black smoke from unused fuel but this is way different. One of my friends was behind me and said it looks brown as well.
 

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Weird. Dirt? :rofl:
 

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It is unburnt fuel. My SRL would look a bit brown and hazy when I got on it at first. Now my boost is down for some reason and it is straight black until 3rd gear then it cleans up.

Dik
 
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