(stock/built transmission, stock turbo/injectors)
This package is for 2001-2010 Duramax trucks only. It includes 5 custom tunes for a DSP5 switch, so that you can switch between tunes while driving. Our tunes are economy, tow (w/ turbo breaking), street, hot and race. Please specify in the stated area if you want any other specific tunes.
* No smoke/lope tunes
* Switch is NOT included