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Discussion Starter · #1 · (Edited)
A few weeks ago my car was on a lift because I was getting new tires for it. The muffler was massive! So I started thinking about replacing it....First I'll start by removing it.
Picture below was taken at a tire center, not the muffler shop.
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Original tail pipe see picture below.
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Pipe was cut before the resonator and a 2 1/2' pipe was welded all the way to the original tail pipe of the same size.

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The finished product see picture below. I'm very satisfied with the way the car sounds and performs. It took the techs less than 1 hour to accomplish.

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Here is a link to hear the sounds:
 

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Looking at the various pics of the exhaust, I see shielding in most places except under the tank pointed to in the pic.

What material is the tank?

I would think, if everything else is shielded, maybe it should have some, too. Could there be some missing in that spot?

Doug

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Automotive exhaust Exhaust system Exhaust manifold Auto part Muffler
 

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Discussion Starter · #5 ·
Looking at the various pics of the exhaust, I see shielding in most places except under the tank pointed to in the pic.

What material is the tank?

I would think, if everything else is shielded, maybe it should have some, too. Could there be some missing in that spot?

Doug

. View attachment 283978
I've seen plenty of photos and videos online. None of the newer Chevy Cruzes have a shield there. I think the tank is made of plastic fiber and is contained inside that aluminum shell.
 

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I wonder how much of the objectionable interior drone was due to the open pipe and how much was due to the outlet being under the car.
 

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If it throws a code pertaining to the downstream oxygen sensor and related catalyst function, I'd expect them to point to your downstream exhaust mods, whether justified or not. Otherwise, I don't see how it would make a difference. Certainly no more of a difference than Trifecta flash, which I believe the OP already had.
 
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