(built transmission, aftermarket turbo(s), stock-100% 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 braking), street, hot, and race. Please specify in the stated area if you want any other specific tunes. Please remember, this is for BUILT transmission trucks only.