2006-2010 6.6L Duramax Standard Xcelerator (1110200)Description 50 States Emissions Legal (E. O. D 701 9). The best part about the PPE Standard Xcelerator is that it will optimize a stock engine's performance; and works especially well for those who have added items such as PPE's Manifolds and Up Pipes, a PPE Down Pipe and or PPE OEM Up Pipes. Up to five power levels of additional horsepower and torque (depending on vehicle year) Adjustable speed limiter (from 40 to 96 mph in 1 mph increments or