Excuse to delete my 2016 LML - Page 2 - Chevy and GMC Duramax Diesel Forum
11-16 LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #11 of 13 (permalink) Old 01-18-2020, 09:46 PM
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Join Date: May 2007
Location: Rocky Top, USA
Posts: 7,195
You don’t tell them the actual year of your truck, you won’t get anything that way.
Starting with something like a 2005 Duramax cat back exhaust with 4 bolt flange and a selection of exhaust hangers.
Then if you want something different for the tail section go with a filter back exhaust.

Below is my delete pipe (midpipe only) with flanges and a 17” section to connect to the 3 bolt flange.
I ran my stock tailpipe bugle tip for about 9 years, then went with Diamond Eye filter(less) back 5” SS with 6” vented tip.

My exhaust is in 3 sections with 3 & 4 bolt flanges from downpipe back, of course you’ll need tuning.
Attached Images

2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe, DHD PCV Re-Route, AirDog 4G100
Castrol Hypuron/Vecton 15W40 synthetic blend oil
Donaldson P550832 2 qt oil filter

2007 Yukon Denail "BLACK" 6.2 gasser
DIY stock AirBox Mod, K&N, Airaid intake, EFILive TCM only tuning
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post #12 of 13 (permalink) Old 02-07-2020, 12:54 PM
God Bless the USA
Join Date: Oct 2015
Location: Land of Lincoln
Posts: 1
My 2015 LML with 90k miles is sending off a poor quality def code and it has 45 miles before it takes the truck to 65 mph. Some quick reading indicates it's likely a faulty #2 NOX sensor. Is this something that might be under an emissions warranty? Or should I try changing the #2 NOX sensor on my own? Or consider the maple delete route?! Thanks for any thoughts.
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post #13 of 13 (permalink) Old 02-07-2020, 02:21 PM
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PMs accepted for corrections. ;-)

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2014 GMC Sierra 2500HD Denali
CC/SB, 4x4, Fumoto oil drain valve, GM chrome oval running boards, Fold-a-Cover G4 Elite, Bull Ring Tie Downs
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