SCT X4 Handheld Tuning Device performance David Rawlette $

David Rawlette $

The best part about these systems is that you can install them in your garage with common hand tools

but that's ok

detailed instructions and online video (see below) helps make this an easy install (see Instructions & Video tab to download / view)

SCT X4 Handheld Tuning Device performance David Rawlette $VEHICLE DATA OVERLOAD. With a HUGE Backlit display, the SCT X4 Power Flash makes it EASY to read the Real Time Vehicle Data, view popular sensor data such as EGT, Air Fuel Ratio or any other 0 5 Volt source! Big Power. Small Package The X4 Power Flash arrives Pre Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE Custom Tunes. Lots of them. Stores up to 10 custom tune files created by your local SCT Custom Tuning Dealer.