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Discussion Starter #1
Hey Guys,
Planning some exhaust work on the 2019 and wondered if anyone here could tell me what the two pods are that are immediately in front of the 2-in / 1-out muffler?
I have an idea but thought someone might know for sure.

Thanks,
Eddie
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Discussion Starter #4
I have also been underneath my 19 and have been pondering some exhaust work. Curious what you are thinking ?
I too thought some kind of secondary converter. The main converters are pretty much directly underneath the engine and look to have two O2 sensors, one on the inbound side and one on the outbound side. As far as I can tell no wiring and/or sensors on the two pods in question. Last night after she had sit for several hours, the muffler was cold, the primary converters were still very warm and the two pods were somewhere in between as far as temps go. The dealer parts diagram show the two main converters separate of course, then the assembly with the muffler and two pods. Not sure exactly...
 

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Discussion Starter #6
After sitting roughly 30 minutes, my infrared temp gauge told me the muffler was at 100 degrees, the front converter was at 125 degrees & the mystery pods also at 125 degrees. Maybe they are converters..
 

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Don't know if there is any similarity in the exhaust systems, but the 3.6 in my Camaro has (on each side--dual exhaust from factory) O2 sensor, Catalytic converter, 2nd O2 sensor, resonator, and then muffler at the rear. Is there any possibility this is a resonator?
 

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Discussion Starter #8
Don't know if there is any similarity in the exhaust systems, but the 3.6 in my Camaro has (on each side--dual exhaust from factory) O2 sensor, Catalytic converter, 2nd O2 sensor, resonator, and then muffler at the rear. Is there any possibility this is a resonator?
What I'm calling resonators are at the tail end of my Traverse, just before the exhaust tips. The GM parts description calls them mufflers, but then they also call the mid pipe assembly a muffler as well. So anything's possible I guess. It possibly has four converters, three mufflers, etc, etc....
 

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Discussion Starter #9
I have also been underneath my 19 and have been pondering some exhaust work. Curious what you are thinking ?
Not sure if you meant what was I thinking the pods were or what kind of exhaust work I was contemplating. How about you, what kind of exhaust work you thinking about ?
 

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I was curious what exhaust changes you were contemplating?
I was pondering 2 different changes:

1) Replacing that two into one muffler with straight pipe, or
2) Eliminating the 2 resonators near the rear bumper. There are several "you tubers" who have done just that and have managed to retain the OEM exhaust tips
 

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Discussion Starter #11
was pondering 2 different changes:

1) Replacing that two into one muffler with straight pipe, or
2) Eliminating the 2 resonators near the rear bumper. There are several "you tubers" who have done just that and have managed to retain the OEM exhaust tips

Very good, glad to see a few of us here like to mod !!
I'm planning a Stage 1 this long holiday weekend and Stage 2 depending on how Stage 1 works out.

Stage 1 - Cut the rear resonators off, replace with SS tube and reuse stock exhaust tips. Have everything ready to go - car lift, sawzall, mig welder and SS tube. Don't anticipate any issues.

Stage 2 - Replace stock 2 in/1 out muffler with a SS Borla unit 2 in/2 out. Run true duals to the back and weld in to the stock tubing going up and over the rear axle.

I'll post up some pics after Stage 1 is done this weekend.
 

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Sounds like a good plan. I hope you can capture a video including the before and after soundtrack. Good Luck - will be looking forward to your followup.
 
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