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-   -   Exhaust install (https://www.duramaxforum.com/forum/general-discussion/1002049-exhaust-install.html)

AKChevyGuy 11-09-2019 12:01 AM

Exhaust install
 
2 Attachment(s)
Just bought a 2017 L5P. I’m putting an aFe Atlas dual exhaust on it. The stock exhaust has 3 sensors downstream of the DPF. The new exhaust only has two. Anyone else run into this problem?

SilverGorillaLML 11-09-2019 06:30 AM

Not 100% sure but it appears to be an egt sensor thats hanging. May want to call afe and ask them about it or who you got the exhaust from. It will either throw a cel for it or just max the egt sensor out on a gauge. Ones a problem one isnt.

AKChevyGuy 11-09-2019 07:54 PM

I’m thinking I’ll cut the bing out of the old one and weld’er into the new one

AKChevyGuy 11-09-2019 07:55 PM

Bung*

denarli6.6 11-09-2019 08:16 PM

That's what i would do

monkeyman 11-10-2019 11:00 AM

I put dual exhaust on and had to shorten one pipe so the lead would reach, not much give over there

AKChevyGuy 11-12-2019 07:36 AM

I wish I had read the reviews on aFe before I purchased. I’m not impressed. Besides the absence of the sensor bung, the fitment pretty much sucks. The outlets are impossible to match. Spent hours twisting, adjusting and cussing. Nowhere in their instructions does it say you’ll need a torch to install. You will if you want your tips to somewhat match.

I cut the bung out of my stock exhaust and welded it into the new one. Seems to have worked.

Thanks for the replies👍

Hook'em_Horns! 11-12-2019 09:28 AM

Quote:

What am I missing here?
Uniformity?
A balanced look?
Dual thrusts for launches?

A single on one side.....is like living with crooked pictures hanging on every wall in the house. :scareee

So let's put a huge oversized tip on the single. 'dunno;
That'll blend.

Collins 11-12-2019 09:38 AM

It's called symmetry.........

For some one as OCD as me, it's either that or medication.

ChevyCowboy2013 11-15-2019 10:38 PM

I think dual exhaust looks good on all trucks but for functionality it does nothing for these new diesels that have the def system unless you can engineer a dual dpf with dual sensors and yatta yatta yatta. That being said from the outside looking in it makes the truck look meaner unless its 9 inch stacks like really boys these freightliners and mac's and peterbuilts dont even have that big of stacks let's get real and the Cummins with dials is that for bank 1 and bank 2? Is that front 3 pistons and back 3 pistons? Cause I know that's not how its plumbed but whatever it is what it is I think the the dual pipes out the back looks good but more functional on gassers


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