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exhaust brake

  1. 07.5 - 09 3rd Gen 6.7L Non-Powertrain
    I have a 2008 2500 6.7 and my engine brake just totally quit out of the blue. I see lots of threads on here with codes related to the issue but I have no codes showing what so ever. The turbo seems to be working fine to the best of my knowledge. I run the same numbers for boost and i hear no odd...
  2. 3rd Gen. Non-Powertrain
    hey guys I have a 2004 with the factory upgrade exhaust brake from the dealer.. Can I upgrade to a 4" downpipe with that factory turbo mount exhaust brake? How much louder is the in-cab noise with a straight pipe vs having a muffler?
  3. 2013-2018 Non-Powertrain
    I deleted my truck about 20,000 miles ago using Kory Willis of PPEI tuning, when the truck had 45,000 miles on it, and I’ve had intermittent turbo noise issues. The day I deleted it, it sounded like my exhaust brake was stuck on, and would only revert back to sounding normal after driving around...
  4. 4th Gen Performance Parts Discussion
    Ive got a 2015 6.7, deleted and tuned and i live in a cold area. I want to use the exhaist brake to help the truck warm up at high idle but it doesnt seem to engage, theres no whistling or change in engine sound. ive checked all sensors and whatnot. the exhaist brake works normally while...
  5. 4th Gen Non-Powertrain
    New to the forums, excited to get some help. So literally today I have started to have the problem where I throw my truck in high idle and turn the exhaust break on, it surges a few times, then cuts out all together and goes back to normal high idle. Any ideas on how to fix this? Yes it’s cold...
  6. 07.5 - 09 3rd Gen 6.7 Liter General Discussion
    I am having trouble trying to find an exhaust manifolds for my 2008 6.7 with the Vgt turbo I want something that keep the turbo in the same place as factory so exhaust will still bolt up. I would love to find one without the egr ports. Any suggestions?
  7. 3rd Gen. Powertrain
    ive got an 07.5 6.7 fully deleted problem im having started before deletion when accelerating engine detunes as if engine brake is engageing will go away after a few seconds any ideas
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