2017-2023 L5P Duramax DPF EGR Tuning Package

Switch On The Fly (5 Tunes).

Switch between Light Tow, Heavy Tow, Sport Economy, Hot Street, Race or Base Stock (described below inclusions).  Switch tunes right from your steering wheel.

Required Options *

* (required for ECM tuning, only optional if you own them already)

Modified ECM Purchase (Engine Control Module)

• We ship a modified unlocked ECM within 48 hrs
• Allows continued use of your truck vs removing & shipping your existing ECM
• Keep your original ECM if you ever trade or need dealer servicing
• No core purchase required

HP Tuners MPVI2 Hardware

• Bluetooth, Expansion Port, Mobile Device Support
• Read your engine, Write our tested Tunes, Drive better
• VCM (Vehicle Control Module) Editor, Scanner and USB cables
• Most powerful scanning, diagnostic and logging

8 HP Universal Credits

 Options

CAN Communication Harness

• used when exhaust sensors are disconnected
• communicates with the fuel tank level
• re-establishes communication between ECM & fuel tank components

Transmission tuning is not yet available for 2020, 2021 models

About our included 5 Tunes

Heavy Tow Tune

• For those towing from 8,000 lbs up to GVWR (Gross Vehicle Weight Rating)
• + 90 RWHP, + 120 ft-lbs torque over factory
• Wider torque curve assists heavy loads
• Perfect balance of sport driving & functionality
• Exhaust temperatures drop up to 100F under full load

Light Tow Tune

• For those towing any load up to 8,000 lbs
• + 110 RWHP, + 200 ft-lbs torque over factory
• Designed for weekend tower, boats, small tractors, etc
• Perfect balance of sport driving & functionality
• Unhook and enjoy a sportier drive

Sport Economy Tune

• Fun “unloaded” daily driving
• For driving around town, highways
• Impress your friends
• Put a smile on your face
• + 140 RWHP, +300 ft-lbs torque over factory
• Puts your vehicle near the 550 RWHP mark
• Not for consistent daily driving until transmission tuning available

Hot Street Tune

• Bridge between Sport Economy and Race
• A little more aggressive than Sport Economy
• Behaves nicely on the street
• + 170 RWHP, +400 ft-lbs torque over factory
• Puts your vehicle near the 580 RWHP mark
• Not for consistent daily driving until transmission tuning available

Race / Max Effort Tune

• Maxes out the factory Turbo
• + 210 RWHP, + 500 ft-lbs torque over factory
• Puts your vehicle near the 600 RWHP 1360 ft-lbs mark
• Up to 620 RWHP / 1380 ft. lbs with WC Fab turbo mouthpiece
• Not for consistent daily driving until transmission tuning available

Base Stock Tune

• Refined factory settings
• Smoother running engine & power delivery
• Reduced exhaust temperatures
• Leaves factory rev limit in place

Customer Notification and Disclaimer of Liability. This is a race-only product. It is not legal for sale or use on pollution controlled vehicles that are driven on public streets, roads, or highways. Buyer’s use or installation of this product for itself or for Buyer’s customer is at Buyer’s own risk. The Buyer is responsible for obeying federal, state, and local laws. Only Buyer can determine end customer’s use and thus assumes any and all liability hereby waiving any and all claims against Dieselology in the sale of this product to the maximum extent permissible by law. Make sure to abide by all local, state, and federal laws, including emissions, vehicle safety, and traffic laws. It is Buyer’s responsibility to know what those laws are and how they apply to Buyer or Buyer’s customer. This product is designed and intended solely for legally-organized and sanctioned, closed- course, off-road competition use and is not for use on public streets, roads, or highways. This Product is capable of disabling the emissions system on some vehicles. Use on public streets, roads, or highways is a violation of federal and certain state (including California) and local environmental laws