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Vehicle Type
Chevy/GMC
L5P (2017+)

L5P (2017+)

Edge Insight CTS3+ (Evolution) w/DuramaxTuner Custom 2020-2023 L5P Tuning

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From $1,852.95

To $2,152.95

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Edge Insight CTS3+ (Evolution) w/DuramaxTuner Custom 2017-2019 L5P Tuning

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From $1,683.95

To $2,458.95

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2017-2025 6.6L L5P Duramax High Flow Cast Turbo Intake Horn W/ OEM Anti -Surge Feature

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$259.00

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EZ+INSIGHT CTS3 L5P DURAMAX KIT

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$1,102.95

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EZ L5P DURAMAX MODULE (2024-2025 L5P Duramax Tuner)

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$607.95

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Custom L5P Tuning for Edge Insight CTS3(+) / Evolution - No Hardware

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From $750.00

To $1,525.00

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Wehrli Custom Fab Outerwear Air Filter Cover

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$45.00

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Wehrli Custom Fab Dry Air Filter 4" Inlet

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$72.00

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(2017-2019) L5P Switch On The Fly Remote Tuning Package w/ TCM Tuning Included

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From $2,198.96

To $2,997.88

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(2020-2023) L5P Switch On The Fly Remote Tuning Package w/ TCM Tuning Included

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From $1,974.00

To $2,772.92

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Switch On The Fly Custom Remote Tuning Package For (2017-2023) Chevy/GMC 2500/3500 6.6L L5P Silverado/Sierra

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$1,900.00

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Switch on the Fly Tune Only L5P (2017-2019)

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As low as $750.00

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Find L5P Upgrades

Year
Type
Hardware
Tune Type

L5P TUNING PACKAGE (2017-2021)

Take your L5P to the next level with the best in the business! L5P Tuning Package includes everything you need to tune your 2017 - 2021 L5P Duramax. No need to delete your EGR or tamper with emissions equipment to get the best performance out of your truck. Our L5P Tuning Packages unlocks the power potential that you paid for when you bought the truck from the factory.

While the rated output for the L5P is 445 HP and 910 ft-lbs of torque it dyno'd 405 Rear Wheel Horsepower (RWHP) and 850 ft-lbs on our loaded chassis dyno. This is an improvement from previous models but pales in comparison to the +150 RWHP you'll have access to with our tuning.

Total flexibility to switch on the fly while driving between all five of our emissions intact custom tunes for your 2017, 2018, 2019 Chevy Silverado or GMC Sierra. No need to plug in a clunky box to re-flash your truck to change tunes. Giving you the power to tow light or heavy, fun daily driving, and the most we can unleash from your engine. Have the cleanest and most reliable tunes available with the power level you need right at your fingertips.

Get Single or All Five Switchable L5P Custom Tunes

Emissions Intact – no need to remove your emissions equipment

Do you need DuramaxTuner.com Switch-On-The-Fly (SOTF) Custom Tuning?

Instantly Switch Between Power Levels
Total flexibility to select the power level you need
No need to plug in a clunky box and re-flash your truck to change tunes
Designed to be safe for your engine and emissions equipment
DuramaxTuner has 14+ years of experience with Custom Switchable Tuning
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 Phone Support!

Sport Tune

Peak Horsepower & Torque

+150 RWHP + 270 ft-lbs
Total 595 HP and 1180 ft-lbts
Fastest possible acceleration
Firm shifting
No dead pedal
Biggest adrenaline rush we can give you

Inappropriate use of the Sport Tune

Too much power for towing without the proper gauges
Enough power for an irresponsible driver to damage his truck

Street Tune

Improved Horsepower & Torque

+100 RWHP + 180 ft-lbs
No dead pedal feeling
Most power & torque you can add while maintaining OEM levels of
reliability
Fast acceleration - Truck feels lighter

Mix of Fun and Superior Drive-ability

Love driving the truck everyday
Smooth power curve
The throttle pedal responds exactly how you want it to
Retain factory turbo-braking feature

Light Tow

Balance between Daily Driving and Towing

Smooth power curve that’s fun to drive
Custom “SMART EGT Control” will automatically manage your EGTs
Air-Fuel Ratio limits built into calibration to limit soot production
Designed to tow less than 8,000 lbs.
Factory turbo brake retains complete functionality

Horsepower & Torque Increase +80 RWHP +144 ft-lbs

Get your truck up and moving more quickly
More useable power in all driving scenarios
Have enough power to “Shift Up, Throttle Back”

Revised pedal sensitivity

Low speed trailer maneuvering
Back up with trailer without lurching

Heavy Tow

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. up to 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

Optimized Stock

Slight revisions to factory calibration
No significant increase of peak power
Good for troubleshooting a physical problem with your truck
Great for when someone else drives your truck

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 MPVI2 Hardware and required HP Tuners Credits
Ship us your factory ECM; we will refund you $400 when confirmed in working order

Transmission Tuning

10-Speed Allison Transmission for 2020+ L5P Duramax

Extra attention has been invested to develop our engine tuning for L5P’s with the 10-Speed Allison. Currently, there is no TCM Tuning available for these transmissions. However, we have spent countless hours going through every aspect of the ECM Tune File to ensure you have the best driving and most effective tuning possible.

6 Speed Allison TCM Tuning 2017-2019

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 MPVI2 Hardware
Ship us your factory TCM; we will refund you $200 when confirmed in working order