2007.5 - 2010 LMM Duramax EFILive DSP5 SwitchLMM-DSP5-S
There was no over night shipping came in at the same time as any other part I order
Hey Zack, we're sorry you somehow missed the option to select NDA shipping. We also give you 1 star for effort!
WHO IS THE TUNER/CALIBRATOR
PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory and the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.