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SCT X4 Power Flash Programmer

By sct
42 Reviews
$499.00
List Price
$399.00
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Product Info
Features:
  • For high-octane performance, tune your ride with the high-tech SCT X4 Power Flash Programmer
  • The easiest way to crank up your horsepower, boost torque and enhance throttle response
  • Create and store up to 10 custom tunes optimized for your particular driving style
  • Offers a wide range of adjustability to critical vehicle parameters, including rev limiter, shift points, idle speed and more (varies by vehicle)
  • Increases fuel efficiency when you’re not pushing the pedal to the metal
  • The SCT X4 Power Programmer features a smaller, more ergonomic design compared to the X3
  • Easy-to-read full color LCD screen that runs in landscape and portrait modes
  • Auto-dimming for optimal contrast night and day
  • Logs and displays PCM data in real-time while you drive, or review your runs at home using SCT’s LiveLink software
  • Connects to your computer via built-in WiFi for easy updating
  • Equipped with two analog inputs
  • Measures 2.75” by 5.5”
  • Your SCT X4 Power Flash Programmer includes a 1-year warranty
Description:

The digital revolution has just arrived on your dashboard. Celebrate technology at its finest with a SCT X4 Power Flash Programmer, 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.

Manufacturer Info
Return Information

Customer Reviews

Average Rating
Appearance
Ease of Installation
Price/Value
Quality
42 Customer Reviews
5 Star
28 (67%)
4 Star
9 (21%)
3 Star
5 (12%)
2 Star
0 (0%)
1 Star
0 (0%)

SCT X4

Easily updateable. Installation was a breeze. Love the data logging feature, as info is easily read through the gauges in real-time!
Appearance
Ease of Installation
Price/Value
Quality
Posted By Rudolph G (SAN ANTONIO, TX) / April 22, 2020
2004 Ford Expedition
Yes
No

SCT Ecoboost 2.7

Overall I'm happy with the purchase. The tunes it comes with did make a difference. Mainly bought it to get full economy back after lifting 6" and adding 35s, with the 91 tune there is a big difference on how it drives and feels real strong. Currently changed it to the 87 just to see if I could do better on economy. With the 91 time I gained overall 2mpg from 12.5 to 14.5 on average. 87 currently at 15mpg.
Appearance
Ease of Installation
Price/Value
Quality
Posted By Charlie F (TUCSON, AZ) / July 8, 2019
2016 Ford F-150
Yes
No

Good

Really woke up my 6.0 powerstroke
Appearance
Ease of Installation
Price/Value
Quality
Posted By aaron t (BELLEVILLE, MI) / May 18, 2019
2006 Ford F-350
Yes
No

Fuel Economy

I purchased the SCT X4 for my 2006 F350. I mainly wanted more towing power and better fuel economy. I achieve both of these objectives. Initially I hooked the SCT X4 up to a computer to do the update, but found the wi-fi worked easier to update the programmer. I am happy with the results of using the SCT X4.
Appearance
Ease of Installation
Price/Value
Quality
Posted By ERNEST C (GLENNALLEN, AK) / January 31, 2019
2006 Ford F-350
Yes
No

Needed a speedometer recalibration

I replaced the tires on my truck and went from a 275/55R20 to a 35x12.50R20. The speedometer was way off. This programmer fixed that and my fuel mileage has gone up.
Appearance
Ease of Installation
Price/Value
Quality
Posted By Derick G (Athens , GA ) / July 10, 2018
2010 Ford F-150
Yes
No

Excellent Tuner! Easy to Use!

I had never used one before & from start to finish, I was done in under an hour. Really easy to use. I definitely noticed a pleasant increase in power & gas mileage. I recommend!
Appearance
Ease of Installation
Price/Value
Quality
Posted By Justin P (NEW CASTLE, PA) / January 31, 2018
2015 Ford F-150
Yes
No

Great tuner

Very good pre loaded tunes. I bought this as a Christmas gift for myself, and sct does great with their tuners. It does look a little ugly and cheap, but it works great. I use the 87 tune on my 5.0 f150 and it feels like it gained a lot of power. Also fuel economy when driving reasonably is about 2mpg better just on 87 octane. I was getting around 19 combined in negative temperatures. Highly recommend it if you can get past what the device looks like.
Appearance
Ease of Installation
Price/Value
Quality
Posted By Jacob S (BELLEVILLE, MI) / January 7, 2018
2014 Ford F-150
Yes
No

Car Guru

Disable veteran, got this car for myself. Don't drive much, but I do like to have a little muscle when I do.
Appearance
Ease of Installation
Price/Value
Quality
Posted By Scott N (Donalds , SC ) / December 13, 2017
2016 Dodge Charger
Yes
No

Yet to be determined

Comes with preloaded tunes but not ad many "customizable" modification options as I was led to believe. Had to order a custom tune because of this. Car runs with my mods and wouldn't run without it so, yeah...
Appearance
Ease of Installation
Price/Value
Quality
Posted By Russell G (GENEVA, IL) / August 16, 2017
2010 Ford Crown Victoria
Yes
No

Good programmer

Zoom
Appearance
Ease of Installation
Price/Value
Quality
Posted By ADF M (Falkner, MS) / July 4, 2017
2012 Ford Mustang
Yes
No

My tuner

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
Posted By steven b (KENNEWICK, WA) / May 18, 2017
2016 Ford Focus
Yes
No

Awesome product

Was exactly what I was looking for
Posted By Timothy W M (Chicago, IL) / March 9, 2017
2007 Chevy Tahoe
Yes
No

jerry dan myrtle beach sc

easy to use it fast holds 10 tunes five star all the way
Posted By Jerry V (Myrtle Beach , SC ) / January 11, 2017
2016 Ford F-150
Yes
No

its okay

didn't really see that big of a difference for the money. auto anything needs to offer custom tunes???
Posted By Deborah h (BLUFFTON, SC) / December 9, 2016
2014 Ford Mustang
Yes
No

Relatively Straight Forward

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.
Posted By Kirk B (LONE JACK, MO) / November 10, 2016
2006 Chevy Silverado
Yes
No

Excellent Tuner/Programmer

Huge difference from stock. Except that the instructions are not too clear, this tuner/programmer is an excellent device for the spirited driver who don't mine using high test gasoline ?. My 6.2L truck became really fast and drivable.
Posted By Angel B (FLOWERY BRANCH, GA) / September 21, 2016
2013 Ford F-150
Yes
No

Bullitt Booster

I have a 2008 Mustang Bullitt and it woke it up
Posted By alan w (hernshaw, WV) / September 21, 2016
2008 Ford Mustang
Yes
No

Can't live with out it!!!

The SCT X4 has alot more tuneing capeabilitys I tryed a superchips flash programmer i needed to open up the speed limitor and the revlimitor plus i needed to tune for 25lb ford racing fuel injectors and a 80mm throttle body Superchips could not handle any of this after calling service thay told me that most flash programers are made for stock cars and engines I have a full race 9000rpm motor the SCT X4 will need a custom tune for the speed and rev, limitor the SCT X4 Has a injector tune built in
Posted By Paul D W (Blanca, CO) / August 17, 2016
2004 Ford Mustang
Yes
No

A must have!

Made a huge difference in throttle response, shifting points, power, and in towing on my 2013 F150 FX4 5.0. I have noticed a little bit of an improvement on mpg's for around town driving which is what I primarily do but have not got to test highway mileage yet. Also, I have a K&N intake on my truck. The programmer does have a preloaded tune for the JLT intake but no other intakes.. I do wish there were more options to select on that note.
Posted By Kenneth Scott U (CLEVELAND, TN) / June 20, 2016
2013 Ford F-150
Yes
No

High Quality Product!

This tuner works wonders for the 7.3 powerstroke. It pushes the motor to redline and when the pedal is mashed, keeps it just below it, so you're running like a banshee throughout the power band! All of SCT's research and development have paid off in this unit. Super product I would highly recommend.
Posted By Ronald B (Frederick , CO ) / May 1, 2016
2001 Ford F-350
Yes
No

SCT X4 tuner 2011 Sierra 6.2L

Noticeable HP & torque gains with 93 octane stock tune Increase MPG from 12.3mpg to 17.5mpg highway Would recommend to anyone Mods- Gibson shorty headers, Brisk USA LGS spark plugs, Granatelli wires, custom header back exhaust, Flowmaster super 10 muffler, K&N Blackhawk CAI, and SCT Tuner with custom tune Next on the wish list is a supercharger or pro charger Little pricey but worth the $$ Can't go wrong with SCT
Posted By Joseph R (Killeen , TX ) / April 27, 2016
1982 Chevy C/K Pickup
Yes
No

not sure

I notice a difference in my shifting but I'm not sure about anything else. There is definitely not a extremely noticable difference that being said I do plan to buy a new tune soon and then hopfully I'll feel better about how much money I spent on this
Posted By brian r (NEW HOLLAND, PA) / April 16, 2016
2012 Dodge Ram
Yes
No

2013 ram programmer

Tried all three tunes and for canned tunes really could tell the difference between tuned and not tuned
Posted By Rommel M (JBER, AK) / March 28, 2016
2013 Dodge Ram
Yes
No

SCT X4

Am a novice when it comes to tuners. Was hoping for more adustment options overall for my SS. Tuner not very user friendly when it comes to connecting with home WiFi. Wish the manual or mfr website had more detailed guidance on all the functions. Will need to read up more on the more complex settings like spark plug adjustments, etc to get my monies worth.
Posted By Charles D R (San Antonio, TX) / November 11, 2015
2011 Chevy Camaro
Yes
No

awesome performance

I recommend this product to anyone that needs a programmer for performance for their vehicles.
Posted By Patrick D (kansas city, KS) / October 14, 2015
2007 Ford F-250
Yes
No
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