Free Shipping On Orders Over $49. Details

Talk to a Mustang Enthusiast
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Mustang! Enter Daily

Bama X4/SF4 Power Flash Tuner w/ 3 Custom Tunes (99-01 Cobra; 03-04 Mach 1)

Item 101200G99S
Call a Mustang Enthusiast at 1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Market Price $459.99 You Save 13% ($60.99)
Our Price

$399.00 (each)

FREE Shipping

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle

Item Options

In Stock Ships same business day.
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • SF4/X4 is the Newest Replacement for the Popular SF3/X3
    • Improves Horsepower, Torque, Overall Performance, and More
    • Comes with 3 Custom Bama Tunes - $150 Value
    • Includes Datalogging w/ Unlimited Revisions to Guarantee Maximum Safe, Reliable Power
    • Free Tunes for Life!
    • On Screen Data Logging and Monitoring
    • Reads/Clears DTC Trouble Codes
    • Full Color LCD Display with Auto Dim Feature
    • Built-In WiFi for Easy Updates
    • PC/Windows Compatible Only
    • What Does BAMA Offer Tunes For? CLICK HERE
    • What More Information about the Free Tunes for Life Program? CLICK HERE
    • Custom Tunes Take 2-3 Business Days to be Written
    • Fits 1999-2001 SVT Cobra and 2003-2004 Mach 1 Mustangs
    • Make Sure to Also Check Out Our Newest Tuner HERE!
    Bama Custom Tuning at AmericanMuscle. Power. Performance. Personalized. Proven
    • Power

      1999-2001 SVT Cobra and Mach 1 Mustangs have dyno proven gains of 30 RWHP and 35 ft-lb's of Torque or more on Bama Custom Tunes. By optimizing the air/fuel ratio and tweaking spark timing, a Bama Custom Tune is proven to squeeze out the extra horsepower Ford left on the table.

    • Performance

      Drastically enhanced throttle response and a much more aggressive throttle map will dramatically improve your Mustang's acceleration, shaving tenths off your quarter mile time while throwing you into the back of your seat every time you smash the gas. Automatic transmissions will see an even greater gain in acceleration and drivability, as the tune adjusts shift points and firmness.

    • Personalized

      For each and every Bama Tune, we ask you 19 questions about your specific Mustang, including your unique set up and intended use, in an easy to use web form. This information allows us to write an entirely custom tune just for your specific vehicle to ensure we deliver the most power and performance possible.

    • Proven

      Our Bama Custom Tunes are developed in-house on our Dynojet 224xLC chassis Dyno. Hours of research and development through street, track and dyno testing/datalogging left us with fully refined custom tunes. The Bama Performance team has exclusive access to our inventory of parts.

    3 Bama Custom Tunes:

    Free Tunes For Life

    Purchase a Bama Custom Tuned device, and anytime you make a change to your Mustang that requires a new tune, just let us know. Bama will create a new custom tune, and the files will be emailed straight to you.

      Street Tune

      Designed as a daily driver program that focuses in on increasing mid-range power.


      Race Tune

      This tune will get you the largest increase in performance. Designed for the "Race only use", as the timing and throttle response are very aggressive.


      Performance Tune

      This tune adds power at 3000 RPMs and higher, focusing more on the top end HP and all out performance driving.

    Bama Performance

    Fitment: 1999 2001 2003 2004 Details

    MPN# 101200G99S

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) SF4/X4 Power Flash Tuner
    • (1) USB PC Interface Cable
    Installation Info
    Tech Specs
    Bama Custom Tuning at AmericanMuscle. Power. Performance. Personalized. Proven
    • Buy this Tuner & Submit your Mustang's Info
    • A Bama Performance Calibrator writes custom tunes just for your Mustang & Mods
    • Load 'em on your Mustang and GO!
    • As you add new mods, Bama will update your tune files for FREE!
      That's right, Free Tunes for Life!
    Power and Performance. Now you can add dyno proven gains of 30 Horsepower and 35 ft-lb’s of Torque and improve the overall performance of your 1999-2001 SVT Cobra or 2003-2004 Mach 1 Mustang with a SCT X4/SF4 Power Flash Tuner that includes 3 Bama Custom Tunes. By optimizing the air/fuel ratio, adjusting ignition timing and tweaking variable cam timing, a Bama Performance Custom Tune will squeeze out the extra power Ford left on the table. Automatic transmissions will see an even greater gain in acceleration and drivability, as the tune also adjusts shift points and firmness.

    Increase Your Mod's Potential. From the factory, Ford programs their vehicles to cater to the needs of the daily driver, not the performance enthusiast who adds aftermarket bolt-on modifications in search of more power. When making performance mods, you will need to recalibrate the vehicle's computer to realize their full potential.

    Free tunes for life! Every customer that purchases a Bama Tuner is enrolled in the "Free tunes for life" program. Any time that you make additional mods to your vehicle, our team of SCT certified Bama Custom Tuners will create new tunes for you. Just send us a list of the part or parts you've added and we'll email the new tune files to you.

    Bama Custom Tunes. When you order a SCT X4/SF4 Power Flash Tuner, you aren't just getting a tuner - you are getting the tuner and 3 dyno-tested custom tunes that are written specifically for your Mustang and your particular modifications by Bama Performance. Bama even includes datalog reviews to ensure your vehicle is fully optimized.
    • Street (87-93 octane) - The street tune is designed as a daily driver program that focuses on increasing mid-range power. Automatic vehicles are further enhanced by making adjustments to the transmission's shift points and firmness.
    • Performance (87-93 octane) - The Performance program is designed to add power at 3000 RPMs and higher, focusing more on the top end horsepower and all out performance driving. Timing, fuel and throttle response settings are slightly more aggressive than the street tune. This is a great track tune but also works well for daily drivers that are looking for a little more "get up and go" than the street tune. The automatic transmission settings are the same as in the street tune.
    • Race (91 - 93 octane) - The race tune will ensure the largest increase in vehicle performance. Using the highest grade of fuel available in your area is mandatory. This file is designed for "Race Use Only", as the timing, fuel, and throttle response settings are very aggressive. It is so aggressive that we do not recommend it for daily driving as it may cause your vehicle to try to jump out from a stop and easily spin the tires. On automatics, we implement entirely new shift points and firmness settings to further enhance the all-out performance of the vehicle.
    Nitrous (91-unleaded race gas) - Our nitrous option can be added to any of our previously mentioned tune options, but only for 91-octane unleaded fuel.

    Compact Design. The SF4/X4 Power Flash Tuner measures in at 2.7” wide X 5.5” tall making it much smaller than the original SF3/X3 for easy storage in your center console or glove box. The cord is detachable and there is no battery or power supply needed. It uses the power from your vehicle's diagnostic port or computers USB connection.

    Full Color Display. The SF4/X4 Power Flash Tuner features a full color 2-3/4" diagonal LCD screen with user adjustable portrait or landscape modes. The SF4/X4 also has a convenient power saving auto dim feature.

    Built-in WiFi. The SF4/X4 Power Flash Tuner is now WiFi-capable meaning you will no longer have to plug it into your PC/Windows computer to receive the latest SCT firmware updates.

    Diagnostics. The SF4/X4 Power Flash Tuner can also be used as a diagnostic code reader. Save yourself hundreds of dollars each year by reading and clearing your own trouble codes rather than paying a dealer to do the same. Its as easy as a few simple steps.

    On Screen Data Logging and Monitoring. With a full color LCD display, the SCT SF4/X4 Power Flash Tuner makes it EASY to read the Built-In Data Logging or Real Time Monitored Vehicle Data, view popular sensor data such as EGT, Air/Fuel Ratio or any other 0-5 Volt source.

    Easy to load; easy to restore. When you load your custom tune on the vehicle, the tuner automatically stores your vehicle's factory settings. To return the vehicle to its factory settings, just plug the tuner back in, select the option to restore the factory settings, and you're done.

    Application. This SCT X4/SF4 Power Flash Tuner with three custom tune files by Bama Performance is specially designed to fit the 1999-2001 SVT Cobra and 2003-2004 Mach 1 Mustang's equipped with the DOHC Modular 4.6L 4 valve V8 engine.

    **NOTE: Programming custom tunes may take 2-3 business days plus applicable shipping time. We recommend ordering other products separately to avoid delay. Some heavily modified cars are not tunable with a mail order tune. Click for details.

    SCT SF4/X4 Power Flash Tuner Features:

    Memory Size:4 GBCustom Tunes Held:10
    Year:2003-2004 Mach 1, 1999-2001 SVT CobraModel:SF4/X4 Power Flash Mustang Custom Tuner
    Manufacturer:SCTSpecial Features:Full color LCD display
    Built-in WiFi
    Will it fit my Mustang?

      Customer Photos (6) Submit Your Photo

      View All 6 Photos

        Questions & Answers (12)

        5 Top Rated Questions

        Will this tuner turn off the rear o2 sensors when putting an x pipe on my mach 1 with no cats thanks

        • Hello! The Bama X4/SF4 Tuner will prevent your CEL from coming on when installing an offroad x pipe.

        Helpful (4)

        I have a 2004 Mach 1 w/auto. One of my main considerations for the tuner is to improve the sloppy/slow shifting of the stock automatic transmission. I have heard that the tuner modifies the ‘shift points’ but I am curious if it will improve the slow, stock shifting? Also, how does the tuner improve the shift points if my car already shifts at the redline?

        • The Bama X4/SF4 Power Flash Tuner w/ 3 Custom Tunes will absolutely improve your shifting by altering shift points and making them more firm.

        Helpful (1)

        What is the difference between the Bama tuner and the SCT tuner?

        • Bama tuners simply include Free Tunes for Life. The non-Bama branded X4/SF4 is the same device, both are made by SCT.

        Helpful (0)

        I purchased an 01 Cobra that has a tune on it but I don't know what it is. I need to get it back to Factory so I can get it to pass state Emissions. Can you install a factory tune to a unit along with performance Tunes so I can tune it again after Emissions tests?

        • The factory tune can be stored on the device along with custom tunes, however, Bama cannot make a factory tune.

        Helpful (0)

        I had gears put in, and my speedometer is way off. I’m reading online that a tuner can fix that. Anyone know for sure?

        • A tuner can be used to adjust your speedometer.

        Helpful (0)
        Post Your Question
        7 More Questions
        Does the Bama/SCT tuner still come with the Pre-loaded SCT Tunes in additiona to the custom Bama tunes? 1 answer
        Would I be able to purchase tunes for my other Mustangs as well? Purchasing for a 99 Cobra but also have a 98 V6 as well as a 2012 GT Roush Stage 3. 1 answer
        I swapped an 01 cobra engine into my 2000 mustang gt. Will the gamma tune still work? 1 answer
        I have a 2001 Cobra with a BBK catted x-pipe and cat-back exhaust. I just installed the x-pipe. It moved the drivers side O2 sensor just enough that the pigtail wasn't long enough to plug back into the factory harness. I got a replacement sensor and the pigtail is 4 inches longer. I don't have any exhaust leaks and the car just started throwing a P0153 code, slow responding bank 2, #1 sensor. That is the one I replaced. I read that sometimes installing long tube headers can cause a slow responding O2 sensor, since it is moved from the factory location. An aftermarket tune can lengthen the response time so this code can be averted. Is this an option with the BAMA custom tune? 1 answer
        Just wondering, is the race tune better than the performance tune? 1 answer
        i have a 2003 Mach 1 by buying this bama tuner x4/sf4 i get free tunes for my Mach for life,if i buy or already have gears,cams,injectors,cold air intake,turbos,or supercharger, you guys are going to provide the tunes for my 2003 Mach 1 for life ? thank you for your time 1 answer
        Is there a tune that will enable my 2004 Mach1 to run on 87 octane? 1 answer

          Customer Reviews (39) Write a Review

          Overall Rating 4.2

          out of 5 stars

          • Performance Gain 4.025641 4.0
          • Seat Of Your Pants Feel 3.846154 3.8
          • Ease Of Use 4.717949 4.7
          • Bang For Your Buck 3.846154 3.8
          • Preferred Tune: Performance

          • 5/5

            September 09, 2019


            I purchased the BAMA tuner in hopes to get my Mach 1 to perform better and I was very happy with the results. After installing the performance tune the car is a lot more responsive. Definitely recommend if you’re trying to wake your car up


            Year: 2004 Submodel: Mach 1

            Helpful (0)

          • 5/5

            August 31, 2019

            Bama X4

            Needed a correct tune for the mods I had on my 01 Cobra. Definitely straightened everything out and running even better now. Proved a small gain in HP and a better feel when doing a pull. Beware there is no software for Mac operating systems. You'll need to have a version of windows to download the device updater software for the tuner to be able to load tunes from the computer to the tuner as that was something I wasn't aware of from the beginning and would've thought about going with the wireless tuner to save some headaches I had getting custom tunes loaded. Definitely worth buying, just make sure you get a custom tune as it's way better than the pre loaded "canned" tunes


            Year: 2001 Submodel: Cobra

            Helpful (0)

          • 5/5

            April 05, 2019

            Easy to use, quality product

            This is an investment but totally worth it. On my 01' Cobra with LT headers, the bypass harness on the O2 were so inconsistent and never fully worked. I kept getting engine lights all the time and even replaced them to no avail. Enter this tuner and problem SOLVED. Customer service is great, I love the lifetime tunes, and the output on the screen is fun to watch as well when driving. I recommend this for sure.


            Year: 2001 Submodel: Cobra

            Helpful (1)

          • 5/5

            April 01, 2019

            Awesome Unit

            I have used the X4 on my 2002 GT and my 2003 Mach 1 and they're great units. Tons of options, data logging capabilities, code reading, and more! Basically any Mustang tuner you head to will be able to use the SCT as well. Highly recommend


            Year: 2003 Submodel: Mach 1

            Helpful (0)

          • 1/5

            February 09, 2019

            Worst Purchase ever

            Got this tuner about a year ago for my 2004 Mach 1 and has not worked since. Contacted Bama multiple time tried multiple tunes and no luck. They keep saying must be something wrong with my car with only 60k miles on it. Got constant pinging at WOT. Also Stalled out on me when coming to a Red light on multiple occasions. Put back to stock and its fine. If you have a Mach 1 I would not recommend purchasing this product........ Save your money.


            Year: 2004 Submodel: Mach 1

            Helpful (0)

          • 5/5

            October 02, 2018

            Gets the Job Done

            Overall installation took about 5 minutes and my tune was done flashing within another 5. The flash tune from Bama itself didn't make much of a difference in performance, but that's expected from an off the shelf tune. Overall, I'm happy with my purchase and look forward to adding more mods to the list and working with Bama for retunes.


            Year: 1999 Submodel: Cobra

            Helpful (4)

          • 1/5

            September 26, 2018

            Bama tuners not knowlegable, waste of time.

            What a wast of time dealing with Bama, I got my tune and installed the performance tune, notice slightly more power and sound but had a running rough feel that was in the cruising range but goes away after 3000rpm. Called Bama---their experts cant answer hardly any detailed and specific questions like what exactly are the parameter changes from stock to their performance tune.. About the only thing you will get is--oh it adds more timing and fuel. Their communication with emails and reaching someone by phone that can help are horrible. Sending a data log didnt help which I had been warned about by others but didnt listen. The only good thing was getting speedometer set for my gear change. Wast of time and money . Like others tried to tell me skip Bama and go to a professional tuner.


            Year: 2001 Submodel: Cobra

            Helpful (4)

          • 1/5

            April 17, 2018

            Tuner is great. BAMA tunes stuck.

            Tuner works great as advertised but the BAMA tunes are useless unless you want to damage your Mach motor. Every tune they sent me, including after I sent a datalog, pinged and experienced detonation. So out of frustration I purchase tunes elsewhere which ran PERFECTLY showing power increases. . Now I see they are offering VMP tunes. Hopefully they know how to tune a 4v because BAMA couldn't. Again , great tuner , just sucks that AM was using a tuning service that couldn't tune a Mach 1.


            Year: 2003 Submodel: Mach 1

            Helpful (7)

          • 5/5

            March 12, 2018

            01 racer cobra

            I tuned my 01 cobra choose the race tune with off road h pipe and borla stingers and with c and l cold intake system and boy let me tell you with only this mods I feel the power,i eat camaros all day,soon is coming engine rebuild for racing with vortech superchager from AM,i will recommended to any body with 2001 svt cobra or any stang.


            Year: 2001 Submodel: Cobra

            Helpful (11)

          • 4/5

            December 13, 2017

            Great handheld

            So four stars because no instructions came with it. To be honest it was self explanatory, as soon as I plugged it in it told me what to do and tuned by car in a breeze. However, it says it can do other things as well and the instructions would be great to know how to do them without wiping the tune. I haven't had any problems but I haven't ventured anywhere else other than clearing DTC codes.


            Year: 2003 Submodel: Mach 1

            Helpful (7)

          • 5/5

            December 05, 2017

            Must have

            If you have an upgraded exhaust, cold air intake, coils, spark plugs ect! Any type of after market upgrade this is a must have! It will make all the difference in the world to your engine. Highly recommended


            Year: 2001 Submodel: Cobra

            Helpful (7)

          • 4/5

            September 12, 2017

            bama turner

            Easy to use, like that can get new tunes with any modifications.


            Year: 1999 Submodel: Cobra

            Helpful (7)

          • 5/5

            September 12, 2017

            Really great

            It is perfect and comes set up as said. The tunes work great as well


            Year: 2003 Submodel: Mach 1

            Helpful (6)

          • 2/5

            September 09, 2017


            Product is great but i dont feel much of a difference in the custom tunes


            Year: 2004 Submodel: Mach 1

            Helpful (6)

          • 1/5

            July 27, 2017

            Over rated

            Where's the power? Only thing I noticed was torque


            Year: 2016 Submodel: GT

            Helpful (7)

          • 2/5

            July 17, 2017

            Bama Tune for 99 Cobra

            I honestly don't notice any difference with the new tunes, except my speedometer is now accurate. I have tried the street, performance and race, and no seat of the pants difference. I also requested the street and performance tunes to be done at 89 octane, and they were 91. I email support several days ago about this, but have not received any response, so i'm going to have to call in.


            Year: 1999 Submodel: Cobra

            Helpful (6)

          • 5/5

            July 12, 2017

            Acoomplished what I wanted and more!!

            The original reason I purchased the tuner was to turn a faulty PATS system off. I was able to accomplish that and more. I didn't really notice much of a power gain but the car does run a good bit smoother. A lot less de acceleration popping now and a little quicker throttle response for sure.


            Year: 1999 Submodel: Cobra

            Helpful (6)

          • 5/5

            July 10, 2017

            Nice device, easy to use.

            Bought this mainly to correct speedometer after gear change. I is now dead on. Seems to be more responsive. I have only used the performance tune so far.


            Year: 2001 Submodel: Cobra

            Helpful (8)

          • 5/5

            June 21, 2017

            99 cobra

            Works as advertised bought to get rid of o2 sensor. more throttle response overall happy customer


            Year: 1999 Submodel: Cobra

            Helpful (6)

          • 5/5

            June 04, 2017

            Instant horsepower

            Upon installing my Bama X4/SF4 Power Flash Tuner with the "race" tune, I had noticeable horsepower gains. The exhaust note is even different and it only took a few minutes to install. Not a bad investment for only $389.00. This was the first modification to my bone stock 2003 Mach 1 and now I am inspired to do even more!


            Year: 2003 Submodel: Mach 1

            Helpful (8)

          Related Mustang Categories