Duramax Tuner 2.8L Spade Tuner

2016-2017 GM Colorado/Canyon 2.8L Duramax LWN
Duramax Tuner
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VIN Number *
Tire Size (Ex: 275/75/16)*
Other Modifications*
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Transmission Tuning (6L50 TCM)*
DSP4 Switch *
Authorization Unlock Code (Required For 2017 Models)*
DPF-Present Stock Exhaust*
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The Duramax Tuner 2.8L Spade Tuner ramps up the performance in your 2016-2017 GM Colorado / Canyon 2.8L Duramax. The 2.8L Duramax in it's factory trim is rated at 180 HP by GM and carries a full compliment of emissions equipment to keep it clean and quiet. Backing up the powerplant is the 6L50 transmission. Both the engine and transmission use existing powertrain control modules which has allowed the team at Duramaxtuner.com to quickly gain access and make improvements.

Over the past three months Duramax Tuner has worked with their in-house customers and their shop trucks to test and develop tuning for this platform.  After hundreds of revision Duramax Tuner is happy to have a product that significantly outperforms GM's calibration in power, driveability and mileage.  

By working through the engine a trans calibrations together they are able to significantly widen and raise the factory torque curve, settling on a peak of 460Ft-Lbs which is very near the rated capacity of the transmission. With the wider torque curve they are able to shift the truck sooner, and engage torque converter lockup sooner without bogging the truck. This means less operating RPM and ultimately lower fuel consumption numbers.  Best of all, these calibrations work without any other modifications to the truck, meaning that you still get a quiet, clean, smokeless truck that can be returned to stock at any point.  

Tuning on the 2.8 Duramax for the Colorado includes 4 power levels switchable on the fly as follows: 

Optimized Stock (+10HP) - Power level near stock for towing at or over max GVWR.  Also useful for when the truck is driven by those who do not need the extra power and torque. 

Tow Tune (+32HP/30Ft-lbs) - This file is designed to incorporate appropriate power and torque gains for use when towing.  Greatly improves your ability to get the load up to speed and maintain it on grades or while passing. 

Sport Economy Tune (+45HP / 60Ft-Lbs) - A very fun tune that is recommended for daily driving use in unloaded scenarios.  This tune has a little bit too much mustard for extended high output pulls such as those you'd encounter while towing.  

Performance Tune (+52HP/80Ft-lbs) - No explanation needed.  This is edge of performance balanced with long term reliability. Enjoy!


  • Up To +52HP & +80 Ft-Lbs. 
  • Custom Tuned To Your Vehicle
  • Optional Trans Tuning Available 
Note: Due to the fact that this product is custom tuned to your unique VIN, it cannot be returned.

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Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(52 Ratings, 2 Reviews) Average Rating:
Pat Brann (AMARILLO, TX) 1/15/2017 4:34 PM
I got this tuner with the tranny tune about six months ago. Best money ever spent on mods for any vehicle I have ever owned! (I'm pushing 60) Has worked flawlessly. Outstanding power gains especially for towing. After I lifted my truck 3 inches and put larger tires on it, DT sent tune to correct speedo. Great product and customer support.
jonathan miller (Texas) 6/28/2016 11:21 AM
Great power increase for the 2.8 duramax. Awesome performance gains