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downpipe

  1. 11-16 LML Performance Parts Discussion
    Hey everyone, New member to the forum but have been creeping since I bought my 2015 GMC Denali 2500HD back in October of 2014. I finally pulled the trigger on Improving my trucks performance after 138K miles. I purchased ecm & tcm soft tunes, passenger up-pipe, MBRP downpipe, 5 inch straight...
  2. 04.5-05 LLY Performance Parts Discussion
    Hey all, i'm replacing my factory exhaust off my 2004.5 LLY Duramax. I've decided to go with the MBRP Pro series downpipe-back exhaust and a stainless steel downpipe from PPE. My question to anyone who has done this, is it necessary to buy the PPE downpipe support bracket? I've seen some guys...
  3. Introductions
    My name is Cory. I own Technics Window Tinting/Auto Shield in Fort Worth Texas. I just bought my 1st Diesel for towing a 34 ft. camper, Bumper pull. I have a 2013 2500HD LTZ. I am currently removing the EGR, CAT and DPF. Adding a 4in with muffler and a EFI Live Tow tune. I have been towing with...
  4. Performance Upgrades
    Just purchased this exhaust and it appears to only be front pipe back, i have an 03. Can I do 4" from the turbo back or is it necisarry? Thanks in advance :drink
  5. General Discussion
    annnnnnd edited.
  6. 01-04.5 LB7 Performance Parts Discussion
    looking into gettin a down pipe. j/wif its worth it? and how hard is it to put on?
  7. 01-04.5 LB7 Performance Parts Discussion
    hey guys we were installing my diamond eye downpipe tonight and we have got it on..but we can not get it to fully slide all the way onto the turbo so we can clamp it back down. I need the truck for this Saturday for a trip to Florida so any ideas would really help.
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