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  1. Colorado Diesel General Discussions
    I've got a 2017 Chevy Colorado Duramax on 35's with a 6-inch lift kit. I'm looking for a tuner that can delete the exhaust, Fix my speedometer (3-4 mph difference), and boost the performance (HP/MPG). Any help would be greatly appreciated.
  2. Colorado Diesel Tuning
    I'm on the edge of tuning and have been wavering between GDE which seems to have done more than anybody and has a self-described engineering approach and American Diesel Power (ADP) because they provide multiple tunes. I'm interested in engine reliability and longevity first, performance second...
  3. Colorado Diesel Tuning
    Hello the name is Kamil. I got a 2016 colorado crew cab long bed diesel about a year ago. i have had DEF issues with it and i want to delete it and all the other emissions. I've been looking around at tunes and the only tune i found was the PPEI tune that allows for deletes. but I've seen some...
  4. Colorado Diesel Tuning
    I haven't read much, or spoke with anyone who has a tune in their truck and am wondering if anyone has had any issues, and what they think of their tuned truck versus stock over the long term of a few months or more. I had a 3.6 gas truck for 8 months before I traded it in for my diesel. I...
1-4 of 4 Results