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  1. 911 Problems Forum
    2015 Gmc 2500hd Denali Fully deleted Straight pipe Ez link 5 switch tuner H&S turbo top pipe Airdog 150 Cold air intake. 187k miles Problem started 11 months ago after a wreck and had to put a brand new frame on the truck. Truck was fine for roughly 3 months after frame swap. Then randomly...
  2. Transmission Shop
    :confused:Gents- Recently "replaced" the DPF with a nice little piece from diamond eye. Used a thumb stick(?) "DPF-R 4.0" did the reprogram to eliminate regen.... Now, I have a horrible almost scary hestitation almost slipping feeling at 1/4 throttle, through all gears. if I roll into WOT I...
  3. 01-04.5 LB7 Performance Parts Discussion
    I've added a AFE Stage 2 Si Cold Air Intake to my '03 LB7 and have had slow throttle response ever since. I can go back to my stock air box and response returns. AFE guys have been great but cannot explain why this is occuring to my truck. I have tried cleaning the Mass-Air Flow sensor with CRC...
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