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The digital revolution has just arrived on your dashboard. Celebrate technology at its finest with a SCT X4 Power Flash Programmer (49-State Legal), the most innovative tuner in the SCT lineup. More compact and ergonomic than the X3, the X4 boasts a brilliant full-color LCD display that puts huge horsepower, torque and throttle response gains right at your fingertips.

Packed with dyno-proven tunes tailor made for your ride, the SCT X4 Tuner unleashes your full performance potential. But that's just the beginning. With full control over a wide range of critical engine parameters, you can create and store up to 10 custom tunes for any situation, from towing trailers up steep grades to passing slowpokes on the highway.

You don't have to get your hands dirty installing the SCT X4 Flash Tuner. Just plug it into your OBD-II port, follow the on-screen prompts and you're ready for action. Plus, it doubles as a digital gauge set, giving you real-time readouts of all your key speed stats. And with WiFi built in, you can update your X4 without ever connecting it to your PC. It even comes with a 1-Year Warranty.

SCT X4 Power Flash Programmer (49-State Legal) Customer Reviews

Average Rating

32 Customer Reviews

My tuner

Reviewed by steven b (KENNEWICK, WA) Reviewed for a 2016 Ford Focus — May 18, 2017 10:15 PM

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Very simple to install noticed the increased power immediately impressed with the added power in fact race a charger less than a quarter-mile almost one so it definitely added power

Awesome product

Reviewed by Timothy W M (Chicago, IL) Reviewed for a 2007 Chevy Tahoe — Mar 09, 2017 1:17 AM

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Was exactly what I was looking for

jerry dan myrtle beach sc

Reviewed by Jerry V (Myrtle Beach, SC) Reviewed for a 2016 Ford F-150 — Jan 11, 2017 2:56 PM

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easy to use it fast holds 10 tunes five star all the way

its okay

Reviewed by Deborah h (BLUFFTON, SC) Reviewed for a 2014 Ford Mustang — Dec 09, 2016 9:44 AM

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didn't really see that big of a difference for the money. auto anything needs to offer custom tunes???

Relatively Straight Forward

Reviewed by Kirk B (LONE JACK, MO) Reviewed for a 2006 Chevy Silverado — Nov 10, 2016 2:39 PM

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I really purchased this tuner so I could purchase/upload a custom tune for my 2010 Camaro after I install my long tube Kooks headers with hi-flow cats. In the interim, I hooked it up and adjusted some parameters (axle ratio, idle RPM ) and uploaded SCT's tune. Seems straight forward. I'm not sure I can feel a seat-of-the-pants difference. I did notice the tuner already has a tune on it for long tube headers! I will upload that tune and evaluate before purchasing a custom tune.

SCT X4 Power Flash Programmer (49-State Legal)

(32)
  • $399.00
  • Free Shipping
  • Ships By 6/27
  • What Do You Drive?

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