2011-2016 Duramax ez lynk support Lifetime support

These are just the support packs (Tune Files), you must have an existing EZ-Lynk Auto Agent to link these tunes. Please provide your email at checkout and we'll be able to email your files as soon as possible.

Whether you're looking for custom tunes to support your 1000HP build or a stock economy tune, HD is the best choice for your truck.

Optional Idle Sounds: Hiss or Rumble will be an available option in the cloud.