SCT X4 Handheld Flasher

Use Pull down Menu (above) for options. Prior to ordering, click here to submit information about your vehicle so a custom tune can be built for you For most vehicles, we will create a custom tune for you and email it to you with instructions. Tune prices are included with the purchase of an X4. Please use the pull down menu above to select the tune you would like with your X4.  For some others, the X4 Power Flash arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE! Programming your vehicle with one of SCT's pre-loaded performance or fuel economy tune files is as easy as 1-2-3. Simply plug the OBDII connector into your vehicle's OBDII port, select the preloaded tune file using the simple to navigate menu and within minutes the X4 programs your vehicle. Stores up to 10 custom tunes. Not Available for California residents. You will need to have, or purchase a wideband oxygen sensor to complete all custom tunes that come with the X4 (Except Factory Stock Tun