Gorilla Tuning creates some of the best diesel performance products on the market today. Well-known for their work with the EZLynk AutoAgent 2 and MM3, performance tuners for diesel powerplants, and their exceptional custom tunes, GDP is involved with some of the fastest diesels in the world today. They are beloved in the diesel community thanks to their custom tunes that allow the driver to optimize their truck for every condition. Gorilla Tuning's main focus are diesel powerplants such as Cummins, Duramax, and Powerstroke. The excellent GDP tunes, combined with the highly praised technical support, will make you fall in love with GDP, and you'll enjoy driving like never before.