Talk to a Sierra 1500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $4,000! Enter Daily

Diablosport Trinity 2 EX Tuner (99-13 4.8L Sierra 1500)Find parts that fit my vehicle

Item S510178-48
Verify parts fit and get product recommendations.
Sierra 1500 Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
$643.46
5 Reviews
On Sale

-10% $643.46 each Was $714.95

Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Improves Horsepower, Torque, and Throttle Response
      • Includes 2 Pre-Configured High-Performance Tune Files
      • Full-Color 5-Inch High-Resolution Capacitive Touchscreen
      • Reads Diagnostic Trouble Codes
      • Comprehensive Vehicle Data Logging
      • Can Conduct Performance Tests
      • Individually Customizable Gauges on Gauge Screen
      • Light Sensitivity Sensor With Adjustable Day/Night Mode Threshold
      • Internet Connectivity for Software Updates
      • Street-Legal Under CARB EO D-770
      • Can Be Used With Windows and Mac Computers
      • Does Not Accept Custom Tunes
      • Compatible With 1999-2013 Models of the GMC Sierra 1500 With 4.8L Engines

      Description

      More Power and Better Performance. Give your Sierra more power to conquer the roads with this Diablosport Trinity 2 Tuner. It comes with 2 pre-configured tune files, focusing on horsepower and torque gains and improving throttle response and fuel efficiency. In addition, you can use this tuner to record your vehicle data and test tune performance so you can keep better track of your benchmarks. This tuner is also capable of reading diagnostic trouble codes to help you figure out performance issues and address them immediately.

      Vehicle Data Recording Feature. To help you track your Silverado’s performance and keep it in peak form, this Trinity 2 tuner comes with a data recording features. It can be found by simply swiping from the top of the gauge screen. Recording performance data will help you determine tune effectivity and possible avenues for future upgrades.

      Multiple Performance Tests. If you want to check the performances of a new tune or upgrade, you can select the tests for 0-60, 0-100, 1/4 Mile, and 1/8 Mile. There are also 2 testing methods: drag tree and stop light. After each test, the Trinity 2 will generate a digital drag slip. This records various data like reaction time and speed at specific distances so you know if your Silverado is up to speed.

      Multiple Parameters With Individual Gauge Set-Ups. Not only can this Trinity 2 tuner help you monitor multiple parameters at once, you can also monitor them the way you want. Each gauge on the gauge screen can be modified based on units of measure, PIDs, tick marks, alerts, and more. There are also various personalization options like wallpapers, themes, and gauge screen layouts.

      Adjustable Threshold for the Light Sensitivity Meter. To help you see the display better, the Trinity 2 lets you adjust the brightness of the day and night modes. More importantly, you can also adjust the day/night mode threshold of the sensor. Using this feature means the day or night mode will activate automatically depending on your preset lighting conditions.

      Data Parameters. 

      • Calibrate Speedometer for Gear Ratio
      • Calibrate Speedo for Tire Size
      • Cooling Fan Control
      • Fuel Rich/Lean Adjustment
      • Spark Timing Advance/Retard
      • Idle RPM
      • Top Speed Limiter
      • Rev Limiter
      • Shift Points
      • Shift Firmness
      • Disable Active Fuel Management

      Works With Windows and Mac. This Trinity 2 tuner works with both Windows and Mac computers. You can also connect it directly to the internet to download and install official Diablosport software updates. This can be done via a WiFi connection.

      Street-Legal in All 50 States. This tuner is CARB-certified and 50-state legal under EO D-770. You can equip this tuner and enjoy its benefits without worrying about violating emission laws and other regulations.

      Application. This Diablosport Trinity 2 Tuner is compatible with 1999-2013 models of the 4.8L GMC Sierra 1500.

      Shop All Truck Parts And Accessories

      Shop All Truck Tuners

      Fitment:

      Details

      Diablosport 9200

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Trinity 2 Tuner Unit
      • (1) Windshield Suction Mount
      • (1) OBDII to HDMI Cable
      • (1) USB Cable
      • (1) Set of Zip Ties
      • (1) Alcohol Wipe
      • User Manual
      4.0

      Customer Reviews (5)

      Brand Image

      Reviews of Diablosport Tuner products have an average rating of 4.7 out of 5

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500

      • 4.8L V8 - 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13