Lightspeed Innovations now releasing our L5P Duramax solutions for the 2017-2020 GMC and Chev trucks. Standard tune is 50Hp gain. Advanced tuning is available with up to 150 HP. Combined with custom transmission tuning this is a potent little package. We also are now offering race tunes to eliminate the DPF,EGR and DEF(SCR) with tuning. Lightspeed Innovations is your unique tuning company offering diesel solutions
