The Standard Xcelerator series was specifically designed for 2001 through 2008 Duramax diesel engines and provides four to five power levels of additional horsepower and torque, speedometer corrections (for tire sizes ranging from 25" to 44.75" at 1/4" increments), adjustable speed limiter (from 40 to 96 mph in 1 mph increments or directly to 200 mph), adjustable gear ratio (from 2.73 to 5.13), reads and clears Diagnostic Trouble Codes (DTC) through the vehicle's On-Board Diagnostic System (OBD-II), real-time data scanning for comprehensive engine diagnostics, transmission reset and quick learn feature for faster transmission relearn and includes a Universal Serial Bus (USB) side-plug for easy online updates.

Most importantly, all Xcelerator series programmers increase the fuel efficiency of your vehicle by 2 to 3 mpg, guaranteed!