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Old 11-11-2015, 03:41 PM   #1
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Default Your Thoughts? Dual Exhausts - Pontiac GP Duals Exhauts In Chevy Impala 3.8 NA??

Hey what Do You Guys Think About Using A Pontiac GP Or GT Or GTP Exhausts in a 9C1 Chevy Impala? Currently I have Dual Flowmaster in it. But Its getting too loud for My liking, I Can't Just cruise around town without The Flowmasters Trying by Means To Deafen My Ear Drums. So I Tried To Install the Stock Mufflers, But I Want To Retain the Duals, I Tried as Mush as much as I could to find an SS To match My stock, but to no avail, I looked all around the junk yards in My area and Online, But no success. But I Found several duals in Some pontiacs in this Junk Yard I went, I Want to get them, but Idk if they'll fit, Fit I mean as in Emission wise? If they are the same? will there be any issues? cos I think I have to Do emission in Dec. I know they are all in the W-Body Platform, So I'm really hoping this would be breezy.

So please guys give Me Your thoughts.


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Old 11-11-2015, 07:25 PM   #2
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Can't see where you do anything past the cat and secondary 02 sensor that it would adversely affect emissions, decibels yes. But what do I know, I've never lived in an emissions testing area, thank my lucky stars.

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Old 11-11-2015, 10:03 PM   #3
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Quote:
Originally Posted by garagerog View Post
Can't see where you do anything past the cat and secondary 02 sensor that it would adversely affect emissions, decibels yes. But what do I know, I've never lived in an emissions testing area, thank my lucky stars.

2004 Bonne SLE
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Are You Serious, I See SC, Meaning South Carolina? You Folks over there Don't Smog Test Ya Cars??????.

But, I Mean, I Figured the idea/operation wont hurt anything, But I Just wanted to make sure/get a second opinion...
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Old 11-12-2015, 06:10 PM   #4
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Muffler won't have an effect on emissions. As long as you leave the cat and O2 sensors alone.
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