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  1. Vendor Deals
    TRIFECTA Performance is holding its annual Black Friday sale! Whether you're planning to tune your Colorado/Canyon now or 6 months from now, this is your chance to save! Our Black Friday sale will run from 11/24 @ 11:59pm through 11/28 @ 11:59pm This is the ONLY sale we hold each year, so...
  2. Diesel
    Does anyone have a stock tune file for a 2.8 duramax. I tuned the truck but I need to tune it back to pass inspection.
  3. New Member Introductions
    Welcome, new members, to Coloradofans! We are a leading tuner for the Colorado/Canyon, with a goal of transforming what would typically be an everyday daily driver into a thrilling, sporty, and fun to drive vehicle. We're passionate about all the vehicle platforms we support, and the Colorado...
  4. Green Diesel Engineering
    I have a 2017 Colorado with the diesel. It just threw a code for the def heater. I have a full exhaust and tune ready to go in. But I'm not sure if the ecm will flash with faults. Anyone have similar issues ?
1-4 of 4 Results