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  1. R

    Tuning and gauge help

    Previous owner did this the deletes and tuner. I didn't know if he just used one of the pre programmed tunes or not or actually had a computer and did all that jazz. I have no idea how to do that. I'm gonna look into getting my truck in order I don't want to run into problems.
  2. R

    Tuning and gauge help

    I'm a new Duramax owner, first diesel ever. I have a 2011 Denali LML, new exhaust up to the down pipe(DPF delete obviously. EGR delete, and I believe this exact tuner. https://www.alligatorperformance.com/motor-ops-duramax-lml-autocal Forgive my ignorance. So is this an EFI live? It has the 5...
  3. R

    Up pipe crack on 2011 LML

    She's fixed. I'll post pictures later when I'm on my computer. I cut the riser off. Left a good inch or more on the riser and welded a plate on there. Planning on just getting a new one sometime soon, I'd like to get a new down pipe. I have an aftermarket exhaust from this point back. Took...
  4. R

    Up pipe crack on 2011 LML

    Thank you! Yes it is completely split in half at the center of the bellow? I stuck a knife in it to see how big the crack was. I'm just gonna cut the riser off so I don't have to deal with the remaining junk. Just more room for problems. I'm contemplating just getting an LB7 pipe
  5. R

    Up pipe crack on 2011 LML

    I still don't fully understand the EGR and wether or not I have the delete or just the blocker plate. I see people cut out the riser, that's what that plate is attached too and there is that sensor wire. Is cutting the riser out or getting an LB7 up pipe just an option on top of an EGR delete? I...
  6. R

    Up pipe crack on 2011 LML

    this is what im looking at. notice its black in the middle. im guessing the crack is right there in the center. havent gotten supper close to see exactly where its coming from. was in a rush the other day and al i did was look to see what my issue was. saw the mount was cracked and saw the pipe...
  7. R

    Up pipe crack on 2011 LML

    How hard is it to pull the pipe or how long should I be expecting to work on this.
  8. R

    Up pipe crack on 2011 LML

    Hello, I have a 2011 LML. 120+k miles. Live in Ohio. Cold winters. prior to me owning truck it has had DPF delete and exhaust, EFI live tune(autocal) and I'm pretty sure a EGR delete and not just a blocker plate. I believe this is...