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Why do the two center tips change color?

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Old Feb 15, 2007 | 12:51 PM
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Default Why do the two center tips change color?
I'm just curious why the two center tips of my corsa pace car change color?! Doesn't bother me, but just thought someone might know. Also, when it warms up in the morning, more smoke/steam/whatever comes out the two middle ones.

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Old Feb 15, 2007 | 01:02 PM
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I think somebody stuffed a potato inside your outer tips. On a serious note now, your exhaust is exiting more from the inners. It the way they are made.
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Old Feb 15, 2007 | 01:05 PM
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Originally Posted by Dave00C5
I think somebody stuffed a potato inside your outer tips. On a serious note now, your exhaust is exiting more from the inners. It the way they are made.
I figured it'd be more equal... guess not gonna have to shine them up
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Old Feb 15, 2007 | 01:06 PM
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The Corsa's are all the same. The main exhaust flows more from the centers based on way that they are made. The outer pipes tee off the main center pipes basically for looks. I still love the sound.
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Old Feb 15, 2007 | 01:20 PM
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I guess its the path of least resistance
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Old Feb 15, 2007 | 02:40 PM
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Originally Posted by FLORIDA
The Corsa's are all the same. The main exhaust flows more from the centers based on way that they are made. The outer pipes tee off the main center pipes basically for looks. I still love the sound.
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Old Feb 15, 2007 | 03:19 PM
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Borla's about the only single outlet/quad tip exhaust I've seen that doesn't do that. They have a Y-junction that equalizes output to the tips. My Magnaflows have two outlets from the mufflers, so it's not an issue.
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Old Feb 16, 2007 | 02:10 AM
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The quad tip Corsa exhaust I had on my 96 LT4 coupe, the outer tip did not function and were for looks only.
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Old Feb 16, 2007 | 07:10 AM
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Originally Posted by 5W0P3
I figured it'd be more equal... guess not gonna have to shine them up
Or you could use my money to pay someone to shine them for you.
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Old Feb 16, 2007 | 09:19 AM
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Simichrome will reduce or eliminate the center tip discoloration.
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Old Feb 16, 2007 | 01:07 PM
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Originally Posted by 5W0P3
I guess its the path of least resistance
Yes

and shows you dont need 4 tips, only two.
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Old Feb 16, 2007 | 07:10 PM
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Originally Posted by FLORIDA
The Corsa's are all the same. The main exhaust flows more from the centers based on way that they are made. The outer pipes tee off the main center pipes basically for looks. I still love the sound.
Yep, mine do the same thing. Normal, nornal...
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Old Feb 16, 2007 | 10:03 PM
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Originally Posted by mymaur
Yep, mine do the same thing. Normal, nornal...

same here


look at the pipes from under them you will see why
very little comes out the outside pipes. very little!! but it looks cool
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Old Feb 16, 2007 | 10:43 PM
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Originally Posted by AU N EGL
and shows you dont need 4 tips, only two.
Strangely enough, exhaust flows from all four tips (with seemingly equal pressure) at idle.
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