Skip to product information
1 of 13

GDP

2017-2023 CHEVY / GMC L5P + L5D CAB & CHASSIS DURAMAX | CUSTOM GDP OBD2 TUNER + GDP TUNES | BYO EGR DPF DEF COMPLETE DELETE KIT

2017-2023 CHEVY / GMC L5P + L5D CAB & CHASSIS DURAMAX | CUSTOM GDP OBD2 TUNER + GDP TUNES | BYO EGR DPF DEF COMPLETE DELETE KIT

Regular price $2,699.99 USD
Regular price Sale price $2,699.99 USD
Sale Sold out
Shipping calculated at checkout.
Tuning Options

2017-2023 CHEVY / GMC L5P + L5D CAB & CHASSIS DURAMAX | CUSTOM GDP OBD2 TUNER + GDP TUNES | BYO EGR DPF DEF COMPLETE DELETE KIT

Scroll down to see menu selections to customize your kit.
This kit is pre-selected with the basic options most customers need to delete their truck, and you can upgrade from there.


COMPATIBILITY

L5D Cab & Chassis Duramax + L5P Duramax Standard Pickup 

Fits:

  • 2017-2023 Chevy / GMC L5D Cab & Chassis Duramax
  • 2017-2023 Chevy / GMC L5P Duramax Standard Pickup 

Please confirm your exact truck configuration before ordering.


WHAT THIS KIT INCLUDES

This package is centered around a Custom GDP OBD2 Tuner with GDP custom tuning, with the ability to build out the rest of your delete kit through the menu options below.

Your kit is pre-configured with the common base options, then you can add the upgrades you want for your truck.


OPTIONAL ADD-ONS

Additional options you may want to add:

  • 4" T409 stainless steel exhaust
  • Muffler to help cut down on drone
  • Exhaust tip
  • T304 stainless steel downpipe to replace the restrictive factory cat section in the factory downpipe
  • S&B cold air intake to help improve airflow and lower EGTs, especially for towing applications

TUNE OPTIONS

Choose the tuning package that best fits your setup:

SINGLE TUNE

Best for customers who want one file loaded and kept simple.

MULTI TUNE PACKAGE

Best for customers who want access to multiple tune files for different driving styles or uses.


WHY CUSTOMERS CHOOSE THIS SETUP

  • Build your own complete delete package in one listing
  • Custom GDP tuning for your specific truck
  • Easy menu-based add-ons
  • Cleaner ordering process instead of piecing everything together separately
  • Built for customers who want better drivability, towing performance, and a more complete delete package

IMPORTANT TUNING INFORMATION

In order to get GDP tunes, you must fill out the tune order form after purchase.

Once the tune order form is completed:

  • Tune turnaround is typically 3 to 5 business days
  • Login information will be emailed to you
  • You will use the supplied login details to access and download your tune files from tuning.tech

IMPORTANT NOTES

  • This is a custom tuning kit with custom tunes and cannot be returned
  • Please review all selected options carefully before ordering
  • Custom tuning is built specifically for your setup

OFF-ROAD / RACE USE ONLY

This product is intended for off-road / race use only, where permitted.
Customer is responsible for confirming fitment, intended use, and compliance with all local laws and regulations.

View full details