Have Up to 20 Performance Tunes at Your Fingertips with an SCT X4 Performance Programmer

Having up to 20 performance tunes for your vehicle would be pretty awesome, wouldn’t it? You can have tunes for street driving, racing, better fuel mileage—and switching them is as easy as pressing a button. The SCT X4 Performance Programmer comes loaded with 10 tunes dyno-proven to increase horsepower, torque, or fuel mileage. Even better, you can load up to 10 custom tunes developed by your friendly neighborhood SCT-authorized shop.

Loading a tune is simple—just plug the X4’s into your vehicle’s OBDII port, select the pre-loaded tune file using the simple-to-navigate menu, and within minutes the X4 programs your vehicle. The programmer also has built-in Wi-Fi connectivity so you can download updates from SCT through a wireless network.

Depending on the application, the X4 Performance Programmer lets you adjust these vehicle parameters:
• WOT fuel curve
• Spark timing by RPM
• Idle speed
• Speed limiter
• Shift firmness
• Cold air intake
• Rear axle gear ratio and tire size
• Electric fan activation temperature

Other features include:
• Full color LCD screen
• High speed data logging and monitoring using SCT’s LiveLink data logging software
• Read and clear DTC trouble codes
• Dual analog inputs for EGT, air/fuel ratio, and other sensors

Summit Racing carries SCT X4 Performance Programmers for many popular GM, Ford, Chrysler, and Jeep vehicles.

SEE THE SCT X4 PERFORMANCE PROGRAMMERS AT SUMMIT RACING