Heavy Tow Tune Only L5P (2017-2019)
Our custom Heavy Tow tune is the safest way for those who tow big, tow heavy, or tow a lot. What's heavy? Over 8,000 lbs and up to your truck's 2017, 2018, 2019 Chevy Silverado or GMC Sierra GVWR (Gross Vehicle Weight Rating). Our fine tuned calibrations expertly optimize for power, torque, smoke and vehicle reliability.
As low as $600.00
In stock
Our Heavy Tow Custom Tune
- Emissions Intact – you do not remove your emissions equipment
- Safe for Towing Heavy
- Increase power, not EGTs (Exhaust Gas Temperature)
- Custom “SMART EGT Control” will automatically manage your EGTs
- Air:Fuel Ratio limits built into calibration to limit soot production
- Designed to tow 8,000 lbs – GVW
- Factory turbo brake retains complete functionality
- Horsepower & Torque Increase +40 RWHP, +72 ft-lbs
- Get your trailer up and moving more quickly
- Lug in the gear you want while towing
- Have enough power to “Shift Up, Throttle Back”
- Revised pedal sensitivity
- Low speed trailer maneuvering
Back up with trailer without lurching
- Low speed trailer maneuvering
- Custom Tuning from DuramaxTuner.com
- Fully customized tuning with more than 100+ calibration changes from stock
- No hacking wires into control units or fuel pump and turbo sensors
- More power and less soot than box programmers
- World Class Customer Service team that actually answers the phone!
Who Benefits from this Tune?
- Over-the-road driver or tows things for living
- Large boat owners
- Pulls construction equipment
- Welding rig with lots of added weight
- Need to tow in the toughest situations
- Tow trucks and heavy service trucks
- Tows 10,000 miles or more every year
- Tows through hills, mountains and inclines
- You can use this to tow lighter, but you'll get slightly better MPG with our Light Tow tune
- Better yet, get all five of our custom tunes with Switch on the Fly
Required Options
Modified ECM Purchase (Engine Control Module)
- We stock modified ECM hardware and ship directly to you
- Remove your factory ECM and replace with our Modified ECM
- Flash our custom tunes using the RTD Hardware and required HP Tuners Credits
RTD Hardware by HP Tuners
- Connect > Read > Edit > Write > Drive.
- Equipped with Bluetooth®, Proprietary Expansion Port, and Mobile Device Support
- Makes it faster and easier to read, edit, and write your vehicle’s software.
- VCM Editor and VCM Scanner and programming/USB cables, making up the essentials of VCM Suite - one of the most powerful and inclusive scanning, diagnostic, logging and calibration products on the market.
- Full support for our latest rendition of Track Addict - the fastest scanning, logging and data transmission rates to ensure you capture everything.
- VCM Scanner, the most powerful and comprehensive scan tool on the market.
- View, chart, and log diagnostic data in real-time via the OBDII diagnostic data port.
- View and clear Diagnostic Trouble Codes (DTCs) along with other vehicle module information. Command control functions like a closed loop, fans, gear select, timing, air-fuel ratio and so much more all in real-time.
HP Tuners Universal Credits
- 8 credits required for ECM tuning
Recommended Options
Transmission Tuning
-
6 Speed Allison TCM Tuning
The 6-Speed Allison found in your 2017-2019 L5P Duramax earned its reputation for excellence largely because of the advanced electronic control provided by the TCM (Transmission Control Module). Changing that factory calibration is especially important for you when you modify your truck and/or install ECM Tuning. Custom TCM Tuning gives you quicker shifts, smoother operation and an overall a better driving experience.
Why do you need TCM Tuning?
- Works with ECM Tuning to provide smooth shifting and superior drive-ability
- Torque converter lockup strategy helps you put power to the ground when you need it the most
- Improve clutch holding capacity with increased line pressure
- Makes your truck feel more powerful
- Prevents short-shifting in performance applications
- TCM Tuning in the best tool to ensure your engine is operating within its preferred rev range
TCM Tuning is especially important for trucks with:
- Custom ECM Tuning
- Larger tires (35”+)
- Modified turbo(s)
- Built transmission
- Any modification that impacts operating RPMs
Towing & Performance
- Use the wider torque curve provided by ECM Tuning
- Keep your truck in its power-band when lugging up a grade
- Quicker shifts mean less time between gears and more time putting power to the ground
- Optimize your aftermarket performance parts
Modified TCM Purchase (Transmission Control Module)
- We stock modified TCM hardware and ship directly to you
- Remove your factory TCM and replace with our Modified TCM
- Flash our custom transmission tune using the RTD Hardware and required HP Tuners Credits
- Ship us your factory TCM; we will refund you $200 when confirmed in working order
HP Tuners Universal Credits
- 4 credits required for TCM tuning