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These small switches offer big adjustability
improving efficiency and engine longevity
Requires E46 ECM to be unlocked (8 Commander Credits to unlock)
instead of a little knob
GDP EZ Lynk Tune Files (2017-2019 Duramax L5P 6.6L) 94-97_POWERSTROKE_7.3 These small switches offer big*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 Duramax L5P 6. 6L Tune Files (2017 2019) deliver the performance your truck was built for. Whether you're towing, daily driving, or pushing for max power, these custom calibrated tunes ensure your truck performs at its peak. We offer: Single Tune A custom built tune for a specific performance level,