The customer will also have the ability to adjust Tire Size, Axle Ratio, TPMS and DPF Regen. (the device stores your vehicles factory tune file for easy restoration back to the factory settings) Connects to the vehicle’s OBDII port and has Wi-Fi capability so you can download aFe POWER’s custom tunes whenever or wherever you want. Can also be connected to a PC to download aFe POWER custom tunes. Monitor and display critical vehicle data using on-screen, full color customizable gauges. View, capture or download your vehicle’s data on one device. The SCORCHER PRO Performance Programmer offers the capability to reads and clear DTC’s (diagnostic trouble codes). Tunes also available for factory equipped vehicles.