Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!
lbz mp for $200 from kb
1-1 of 1 Results
  1. 04.5-05 LLY Duramax Powertrain
    Hi everyone, I thought you might be interested in some flowbench data for the LBZ mouthpiece modification for the LLY engine. I was bored yesterday so I ran a few bits across my flowbench. This modification is the best thing you can do for an LLY! There is no point in buying a CAI with the...
1-1 of 1 Results