GDP

If you’re running a tuned L5P but still stuck with stock TCM mapping, you're leaving serious performance on the table. The GDP EZ Lynk T87A Transmi...

**MUST HAVE UNLOCKED TCM** If you’re running a tuned L5P but still stuck with stock TCM mapping, you're leaving serious performance on the table. T...

For 2016-2019 F650/F750 Powerstroke 6.7L owners who want better throttle response and more torque. We offer: Single Tune - Level 1 (Limited 4-We...

*SINGLE FILES ONLY* For 2017-2019 Duramax L5P 6.6L owners who want better throttle response, more torque, and serious pulling power, GDP EZ Lynk Du...

*SINGLE FILES ONLY* For 2020-2023 Duramax L5P 6.6L owners who want better throttle response, more torque, and serious pulling power, GDP EZ Lynk Du...

Unlock the full potential of your Duramax LM2 3.0L engine with GDP MPVI3 E66 (Global B) Tune Files. This advanced tuning solution requires an E66 E...

These kits are a real nice upgrade from the factory look under your hood. Not only that, they allow for replacing the stock turbo with an aftermark...

These kits are a real nice upgrade from the factory look under your hood. Not only that, they allow for replacing the stock turbo with an aftermark...

These kits are a real nice upgrade from the factory look under your hood. Not only that, they allow for replacing the stock turbo with an aftermark...

These kits are a real nice upgrade from the factory look under your hood. Not only that, they allow for replacing the stock turbo with an aftermark...

MM3 Device with GDP Support Pack (2007.5-2021 6.7L Cummins) Tuning Bundle

Powerstroke/Cummins/Duramax/Titan EZ LYNK Auto Agent 4 Week Limited Access (GDP11005) For Ford, GM, and Ram diesel truck owners seeking a short-ter...

Powerstroke/Cummins/Duramax/Titan EZ LYNK Auto Agent Unlimited Access (GDP11006) For Ford, GM, and Ram diesel truck owners seeking unwavering perfo...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2001-2004 Duramax models. Engineered for precisio...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2004.5-2005 Duramax models. Engineered for precis...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2006-2010 Duramax models. Engineered for precisio...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2008-2010 Powerstroke models. Engineered for prec...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2011-2014 Powerstroke models. Engineered for prec...

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2011-2016 Duramax models. Engineered for precisio...

Plug-and-Play CAC Sensor Harness for Powerstroke 6.7L This harness is designed for 2020–2025 Powerstroke 6.7L models using CAC-style tuning inputs....

Optimize your Shift on the Fly (SOTF) experience with our SOTF Harness, designed specifically for 2010-2021 Cummins models. Engineered for precisio...