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  1. Home
  2. GM Duramax
  3. 2017-2019 GM Duramax 6.6L L5P
  4. Engine & Performance
  5. Tuners

2017-2019 GM Duramax 6.6L L5P Tuners & Monitors

The factory PCM programming for your 2017-2019 GM 2500/3500 does it's job for stock equipped trucks; however, there's tons of more power and performance hiding under the hood of your 6.6L Duramax L5P, especially after modifying your truck. These premium performance tuners help unlock more horsepower, torque, and throttle response by making adjustments within your truck's ECM. Additionally, these tuners can make your GM Sierra/Silverado feel like a whole new rig by correcting your truck for an increase in tire size, change in gear ratio, or a new exhaust system that requires tuning. Many of these devices even work overtime as effective vehicle monitors so you can better keep tabs on your truck's critical running information to spot problems before they become disasters. Keep tabs on your engine parameters and experience a more powerful ride with any of the high-quality tuners we offer for the 2017-2019 GM 6.6L Duramax L5P equipped trucks, right here at Alligator Performance! GM Duramax Fitments: 2017, 2018, 2019 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2017-2019 6.6L L5P
  • Accessories & Cables Accessories & Cables

Products [39]

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Item In Cart Edge Products Insight CTS3 5
Edge Products Insight CTS3 5" Touch Screen Digital Gauge Monitor
In Stock. Ships in 1 Business Day!
(1)
$462.95
View Details
Item In Cart BD 1057937 Throttle Sensitivity Booster V3.0 | 07-20 GM Applications
BD 1057937 Throttle Sensitivity Booster V3.0 | 07-20 GM Applications
In Stock. Ships in 1 Business Day!
$278.95 $251.06 Sale
View Details
Item In Cart EFI Live Blank AC3 AutoCal Device
EFI Live Blank AC3 AutoCal Device
- Ships in 3-5 Business Days
$595.00
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Item In Cart 17-19 GM Duramax 6.6L L5P Edge EVOHT2 Performance Programmer with ECM Unlock Tool
17-19 GM Duramax 6.6L L5P Edge EVOHT2 Performance Programmer with ECM Unlock Tool
In Stock. Ships in 1 Business Day!
$799.95
View Details
Item In Cart 17-19 GM 2500/3500HD 6.6L Duramax L5P DuramaxTuner Switch on the Fly Tuning With ECM/TCM Tunes. Unlock & Credits
17-19 GM 2500/3500HD 6.6L Duramax L5P DuramaxTuner Switch on the Fly Tuning With ECM/TCM Tunes. Unlock & Credits
- Ships in 3-5 Business Days
$3,048.88
View Details
Item In Cart 17-22 GM 2500 / 3500HD 6.6L Duramax L5P HP Tuners New E41 ECM Upgrade Kit
17-22 GM 2500 / 3500HD 6.6L Duramax L5P HP Tuners New E41 ECM Upgrade Kit
Due In April 2023, Pre-Order now to make sure you get one of the first ones!
$349.99
View Details
Item In Cart 19-23 GM 2500 / 3500HD 6.6L Duramax L5P DuramaxTuner Switch on the Fly Remote Tuning Package with Hardware and Credits
19-23 GM 2500 / 3500HD 6.6L Duramax L5P DuramaxTuner Switch on the Fly Remote Tuning Package with Hardware and Credits
Call 208-719-7400 for Availability!
$2,047.92 $1,867.92 Sale
View Details
Item In Cart 17-19 GM 6.6L Duramax 2500HD / 3500HD  Edge V3 Pulsar Programmer
17-19 GM 6.6L Duramax 2500HD / 3500HD Edge V3 Pulsar Programmer
In Stock. Ships in 1 Business Day!
$926.95
View Details
Item In Cart Edge 22600-3 Pulsar Package with CTS3 Insight | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
Edge 22600-3 Pulsar Package with CTS3 Insight | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$1,181.95
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Item In Cart Edge EAS Starter Kit w/EGT Cable
Edge EAS Starter Kit w/EGT Cable
In Stock. Ships in 1 Business Day!
$160.95
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Item In Cart DuramaxTuner DT1160030101003 Switch on the Fly ECM / TCM Tune Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160030101003 Switch on the Fly ECM / TCM Tune Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$4,247.88 $4,007.88 Sale
View Details
Item In Cart 17-19 GM Duramax 6.6L L5P Superchips Flash Paq Performance Programmer with Unlock
17-19 GM Duramax 6.6L L5P Superchips Flash Paq Performance Programmer with Unlock
- Ships in 3-5 Business Days
$799.00
View Details
Item In Cart HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool
HP Tuners M03-000-00 MPVI3 OBII Scanning and Calibration Tool
In Stock. Ships in 1 Business Day!
$399.99
View Details
Item In Cart Ezlynk Auto Agent 3 Vehicle Diagnostic Scan Tool & Electronic Logging Device | Universal
Ezlynk Auto Agent 3 Vehicle Diagnostic Scan Tool & Electronic Logging Device | Universal
In Stock. Ships in 1 Business Day!
$549.00
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Item In Cart 11-19 GM 6.6L Duramax 2500HD / 3500HD  PPEI Emissions Compliant SOTF Tuning For EZ LYNK AutoAgent
11-19 GM 6.6L Duramax 2500HD / 3500HD PPEI Emissions Compliant SOTF Tuning For EZ LYNK AutoAgent
- Ships from Manufacturer in 3-5 Business Days
$512.00
View Details
Item In Cart 11-19 GM 6.6L Duramax 2500HD / 3500HD  PPEI Emissions Compliant SOTF Switch and Tuning For EZ LYNK AutoAgent
11-19 GM 6.6L Duramax 2500HD / 3500HD PPEI Emissions Compliant SOTF Switch and Tuning For EZ LYNK AutoAgent
- Ships from Manufacturer in 3-5 Business Days
$566.00
View Details
Item In Cart 11-19 GM 6.6L Duramax 2500HD / 3500HD  PPEI Emissions Compliant SOTF Tuning With Transmission Tuning For EZ LYNK AutoAgent
11-19 GM 6.6L Duramax 2500HD / 3500HD PPEI Emissions Compliant SOTF Tuning With Transmission Tuning For EZ LYNK AutoAgent
- Ships from Manufacturer in 3-5 Business Days
$761.00
View Details
Item In Cart 11-19 GM 6.6L Duramax 2500HD / 3500HD  PPEI Emissions Compliant SOTF Switch and Tuning With Transmission Tuning For EZ LYNK AutoAgent
11-19 GM 6.6L Duramax 2500HD / 3500HD PPEI Emissions Compliant SOTF Switch and Tuning With Transmission Tuning For EZ LYNK AutoAgent
- Ships from Manufacturer in 3-5 Business Days
$816.00
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Item In Cart 17-19 GM 6.6L Duramax 2500HD / 3500HD Banks Gen 2 Derringer Tuner w/ iDash Super Gauge
17-19 GM 6.6L Duramax 2500HD / 3500HD Banks Gen 2 Derringer Tuner w/ iDash Super Gauge
In Stock. Ships in 1 Business Day!
$769.00
View Details
Item In Cart Edge 22410 Pulsar LT Throttle Sensitivity Booster and Calibrator | 17-19 GM 6.6L Duramax 2500HD / 3500HD
Edge 22410 Pulsar LT Throttle Sensitivity Booster and Calibrator | 17-19 GM 6.6L Duramax 2500HD / 3500HD
In Stock. Ships in 1 Business Day!
$493.95
View Details
Item In Cart Edge 26042-S EVO HT Handheld Tuner and fee ECM Upgrade | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
Edge 26042-S EVO HT Handheld Tuner and fee ECM Upgrade | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$827.95
View Details
Item In Cart Bully Dog GT Platinum Gas Tuner
Bully Dog GT Platinum Gas Tuner
In Stock. Ships in 1 Business Day!
$469.00
View Details
Item In Cart 17-18 GM 6.6L Duramax 2500HD / 3500HD L5P Stealth Selectable Performance Module
17-18 GM 6.6L Duramax 2500HD / 3500HD L5P Stealth Selectable Performance Module
- Call 208-719-7400 for Availablity
$650.00
View Details
Item In Cart Edge 28867-D2 AMP'D 2.0 Throttle Sensitivity Booster | 07-19 GM 6.6L Duramax 2500HD / 3500HD
Edge 28867-D2 AMP'D 2.0 Throttle Sensitivity Booster | 07-19 GM 6.6L Duramax 2500HD / 3500HD
- Ships in 3-5 Business Days
$281.95
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Item In Cart Edge 23410-3 Pulsar LT and CTS3 Combo Package with Mount | 17-19 GM 2500/3500HD Duramax
Edge 23410-3 Pulsar LT and CTS3 Combo Package with Mount | 17-19 GM 2500/3500HD Duramax
- Ships in 3-5 Business Days
$902.95
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Item In Cart Edge Products Replacement OBDII Cable
Edge Products Replacement OBDII Cable
- Ships in 3-5 Business Days
$40.00
View Details
Item In Cart DuramaxTuner 1102F004 Stealth Boost Tester Faceplate Adapter | 17-22 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner 1102F004 Stealth Boost Tester Faceplate Adapter | 17-22 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$80.00
View Details
Item In Cart DuramaxTuner DT1160000008001 Pre-Tuned Allison Replacement T87A TCM | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160000008001 Pre-Tuned Allison Replacement T87A TCM | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$775.00
View Details
Item In Cart DuramaxTuner DT1160030101001 Switch on the Fly ECM Tune Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160030101001 Switch on the Fly ECM Tune Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$3,347.92 $3,167.92 Sale
View Details
Item In Cart DuramaxTuner DT1180030101000 Switch on the Fly ECM Tune Incl. Hardware & Credits | 19-21 GM 6.6L Duramax 2500HD / 3500HD  L5D
DuramaxTuner DT1180030101000 Switch on the Fly ECM Tune Incl. Hardware & Credits | 19-21 GM 6.6L Duramax 2500HD / 3500HD L5D
- Ships in 3-5 Business Days
$3,347.92 $3,167.92 Sale
View Details
Item In Cart DuramaxTuner DT1160030105003 Light Tow ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160030105003 Light Tow ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$4,097.88
View Details
Item In Cart DuramaxTuner DT1160030106003 Heavy Tow ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160030106003 Heavy Tow ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$4,097.88
View Details
Item In Cart DuramaxTuner DT1160030107003 Optimized Stock ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD  L5P
DuramaxTuner DT1160030107003 Optimized Stock ECM / TCM Tuning Incl. Hardware & Credits | 17-19 GM 6.6L Duramax 2500HD / 3500HD L5P
- Ships in 3-5 Business Days
$4,097.88
View Details
Item In Cart Edge Insight CS2 Monitor
Edge Insight CS2 Monitor
In Stock. Ships in 1 Business Day!
$383.95
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Item In Cart EFI Live Tuning FlashScan V2 VIN License
EFI Live Tuning FlashScan V2 VIN License
- Ships in 3-5 Business Days
$125.00
View Details
Item In Cart Hypertech 730127 Inline Speedometer Calibrator | 17-19 GM 6.6L Duramax 2500HD / 3500HD
Hypertech 730127 Inline Speedometer Calibrator | 17-19 GM 6.6L Duramax 2500HD / 3500HD
In Stock. Ships in 1 Business Day!
$229.00
View Details
Item In Cart HP Tuners UC-0000 MPVI3 Single Universal Credit
HP Tuners UC-0000 MPVI3 Single Universal Credit
- Ships in 3-5 Business Days
$47.49
View Details
Item In Cart HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool with 2 Universal Credits
HP Tuners M03-000-02 MPVI3 OBII Scanning and Calibration Tool with 2 Universal Credits
In Stock. Ships in 1 Business Day!
$494.97
View Details
Item In Cart HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool with 4 Universal Credits
HP Tuners M03-000-04 MPVI3 OBII Scanning and Calibration Tool with 4 Universal Credits
Due Second week of September, Get Your Pre-Order and Place in Line First!
$589.95
View Details
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