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Ford Racing 3.73 Gears and BAMA X4 Tuner (10-14 GT, BOSS; 11-14 V6)

100+ Reviews
Our Price

$619.99

  • Item #101659
  • Market Price $699.99
  • You Save 11% ($80.00)
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Product Videos
Features
  • Money Saving Combo Kit
  • Bama SF4/X4 Tuner with 2 Custom Tunes
  • Free Tunes for Life
  • Ford Racing 3.73 Gears - 8.8"
  • Ford Racing 8.8" Rear Gear Pinion Bearing
  • Motive Gears 8.8" Rear End Installation and Bearing Kit
  • 2 Quarts Royal Purple Max Gear 75w140 Gear Oil
  • 1 Quart of Ford Racing Friction Modifier
  • Includes datalog reviews to ensure your vehicle is fully optimized
  • Free Personalized ID Plaque (Pictured Above)
  • Fits 2010-2014 GT, BOSS and 2011-2014 V6 Mustangs
Description
Bama Performance

The Gears
The Gears

Improve ET's and Low End Torque. Installing a set of steeper rear gears is a great way to get more low end grunt off the line and lower your ET's at the same time. Ford Racing Mustang ring and pinion gears feature a super strong forged construction, CNC cut & lapped gear teeth, and a black oxide finish to resist corrosion making them perfect for street, road, or race use. More info about these gears - Here

The Tuner
The Tuner

Power. Performance. Personalized. The SCT Power Flash Tuner features Bama Performance custom tunes that are written specifically for your Mustang. Our tunes are based on a 19 point questionnaire to deliver the most power and performance possible for your Mustang’s modifications. All Bama Performance tunes are tested and proven on our very own in-house Dynojet 224xLC Chassis Dyno. More info about this tuner - Here

The Combo
The Combo
  • More horsepower and torque
  • Better throttle response
  • Enhances existing modifications
  • Custom Dyno proven tunes
  • Free Tunes for Life
  • Free personalized ID plaque


Technical Note. Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations. You can also save money on your installation labor by having your Trac-Lok rebuilt at the same time as your gears are installed, see drop down option above.

**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. Membership in the Tunes for Life program is is valid for as long as you own the car that was originally tuned and is non-transferrable.

Fitment: 2010 2011 2012 2013 2014 Details

What's in the Box
  • (1) SF4/X4 Power Flash Tuner
  • (1) One USB PC Interface Cable
  • Ford Racing 3.73 Gears
  • Ford Racing Rear Gear Pinion Bearing
  • Motive Gears 8.8" Rear End Installation and Bearing Kit
  • (2) quarts Royal Purple Max Gear 75w140 Gear Oil
  • 1 quart of Ford Racing Friction Modifier
  • Free Tunes For Life
Installation Info
Tech Specs
Bama Custom Tuning at AmericanMuscle. Power. Performance. Personalized. Proven

  1. Buy this Tuner & Submit your Mustang's Info
  2. A Bama Performance Calibrator writes custom tunes just for your Mustang & Mods
  3. Load 'em on your Mustang and GO!
  4. As you add new mods, Bama will update your tune files for FREE!
    That's right, Free Tunes for Life!

More Power. Do you want the ultimate power package for your Mustang? Well look no further, because it has arrived. AmericanMuscle introduces the kit that will launch you into quarter mile times that you have never dreamed of possible; designed to give the best possible performance upgrade for your car, without having to empty your wallet.

Kit includes: (click on each item for full product description)

Increased HP and torque. From the factory, the manufacturer programs their vehicles to cater to the needs of the daily driver, not the performance enthusiast. After loading the custom Bama Tune on a vehicle, even a bone stock, unmodified Mustang will realize noticeable gains in HP, Torque, and Fuel Economy.

Increase your mod's potential. Factory computer settings are calibrated for the original factory components. When making performance modifications, you need to recalibrate the vehicle's computer to realize the full potential that these modifications can achieve.

Free tunes for life! Every customer that purchases a 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.

Custom Bama Tunes specific to your vehicle. When you order a tuner, you aren't just getting a tuner - you are getting the tuner and 2 dyno-tested custom Bama tunes:


  • Performance V2 (87-93 Octane) - The Performance Tune offers a seamless blend of power, performance and drive-ability. Improving the overall driving experience of your Mustang, the Bama Performance Tune improves vehicle acceleration, increases power throughout the entire RPM and improves throttle response with revised timing, fuel, and TiVCT maps. Automatic equipped vehicles offer an aggressive shifting map to provide more aggressive transmission settings. This tune is suggested for the aggressive daily driver that is looking for more "get up and go".

  • Race V2 (91-93 Octane, E85, Race Fuel) - The Race Tune is designed for maximum performance and ensures the largest increase in vehicle performance. Using the highest grade of fuel available in your area is mandatory as timing, TiVCT, fuel, and throttle response settings are very aggressive. Automatic transmission settings implement entirely new shift points, torque converter changes and firmness settings designed for Track use.

Nitrous (91, 93, E85, Race Fuel) - Our nitrous option can be added to any of our previously mentioned tune options, but only for 91, 93, E85, or Race Fuel.

Technical Note About Fuel. Use of E85 will require larger fuel injectors such as Injector Dynamics ID1300 or Ford Racing 47lb/hr Injectors. Unleaded race fuel can also be used, but Stoichiometric points must be supplied.

Easy to load; easy to restore. Not only are the custom tunes easy to load on your vehicle, it is just as easy to restore your factory settings. 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.

SCT SF4/X4 Power Flash Tuner Features:

  • The SF4/X4 by SCT is the newest replacement for the popular SF3/X3
  • Reads / Clears DTC Trouble Codes
  • On screen data logging and monitoring
  • Full color LCD display with auto dim feature
  • Built-in WiFi for easy updates
  • PC/Windows compatible
  • Custom tuning applications for 2010-2014 GT, BOSS and 2011-2014 V6 Mustangs
  • Click for Instructions on Loading Custom Tunes to your Mustang.

Approximate RPM for 2010 GT


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 3888 5443 6998      
2 2301 3221 4141 5061 5981 6902
3 1518 2126 2733 3340 3948 4555
4 1150 1610 2070 2531 2991 3451
5 782 1095 1408 1721 2034 2347


Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 3704 5185 6667      
2 2634 3688 4741 5795 6849  
3 1771 2480 3189 3897 4606 5314
4 1150 1610 2070 2531 2991 3451
5 817 1143 1470 1797 2123 2450


Approximate RPM for 2011+ GT


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4210 5894        
2 2795 3913 5031 6149    
3 1944 2722 3499 4277 5054 5832
4 1518 2126 2733 3340 3948 4555
5 1150 1610 2070 2531 2991 3451
6 748 1047 1346 1645 1944 2243

Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4798 6717        
2 2692 3768 4845 5922 6998  
3 1750 2449 3149 3849 4549 5249
4 1315 1841 2367 2892 3418 3944
5 997 1396 1795 2194 2593 2992
6 795 1113 1431 1749 2067 2384


Approximate RPM for 2011+ V6


Manual
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4210 5894        
2 2795 3913 5031 6149    
3 1944 2722 3499 4277 5054 5832
4 1518 2126 2733 3340 3948 4555
5 1150 1610 2070 2531 2991 3451
6 748 1047 1346 1645 1944 2243

Automatic
Gear @25 MPH @35 MPH @45 MPH @55 MPH @65 MPH @75 MPH
1 4798 6717        
2 2692 3768 4845 5922 6998  
3 1750 2449 3149 3849 4549 5249
4 1315 1841 2367 2892 3418 3944
5 997 1396 1795 2194 2593 2992
6 795 1113 1431 1749 2067 2384
Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 11, 12, 13, 14
  • GT - 10, 11, 12, 13, 14

Fits Mustangs equipped with a 8.8" rear end only, this kit is not intended for use on Shelby GT500 models.

Most Helpful Reviews

5/5
WOW.. 93 Octane tune..

This tuner is a great way to wake up your mustang, I was really impressed at how much of a difference it made. Throttle response is much better, and pulls HARD into 2nd, 3rd, and 4th. It corrected my speedometer ...

Read More
Helpful (1)

5/5
Wow! Just WOW!

Okay.. So first off, the tuner seems a little expensive.. But once you apply the tune WOW. Okay, So i have a 2010 GT auto (boo) I know.. Mods include O\R X (no cats), CAI, and lowering springs. I ...

Read More
Helpful (1)

Read All 100+ Reviews
Overall Rating 4.7 out of 5 stars

Customer Photos

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47 Questions / 8 Answers

Ask a Question

Whats the difference? What is the difference between this kit and the kit for 35 dollars?

ncstang06

  • This kit comes complete with everything you need for a full rebuild: bearings, shims, crush sleeve, etc... The $35 kit is a basic kit that is the same as the more expensive version, but there are no bearings included. We highly recommend getting the complete kit and replacing all your bearings and shims at the same time to prevent any costly problems down the road. It's better to replace them all at once, rather than having to tear the car apart again just for a bearing gone bad.

    LisaS

    Good Answer (5) (0)

Show 2 more answers Question Resolved

4.10 gears installation kit I recently purchased the 4.10 gears for my 2006 mustang GT and I'm not sure which installation kit I should buy !! Is this the right one !?!

andres

  • Certainly is the correct kit! It will come with everything you need for a complete swap during your 4.10 gear install! Includes all the bearings, shims and seals necessary!

    LisaS

    Good Answer (3) (0)

Show 3 more answers Question Resolved

Will this tuner be put into a combo kit with a CAI when released?

zwilson05

  • Yes - there will be combo kits available once the SF4's are available to be shipped. Keep an eye out!

    LisaS

    Good Answer (3) (0)

Question Resolved

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Customer Reviews (100+) Write a Review

Overall Rating 4.8

out of 5 stars

  • Performance Gain 4.587834 4.6
  • Seat Of Your Pants Feel 4.607555 4.6
  • Ease Of Use 4.801642 4.8
  • Bang For Your Buck 4.625076 4.6
  • Preferred Tune: Performance



  • 4/5

    July 13, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (11-14 GT, 12-13 BOSS)

    Bama custom tune

    The custom tune on my 2011 GT is absolutely amazing , It's like a extra burst of energy It really needed, cut 1 sec off my time. I'm still in limbo with the drag tune.

    RICO

    Year: 2011 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2

    Helpful (1) (0)

  • 5/5

    July 02, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    2010 GT

    I use the X4 with the 93 race tune which is nuts. The car just wants to take off and it sounds more aggressive after the tune. MPGs aren't to bad, but who cares about that when you just wanna go fast. Bama Tune is worth every penny and might be the best bang for your buck mod

    Forlife50

    Year: 2010 Model: GT 'Stangs I have owned: 5

    Helpful (1) (0)

  • 5/5

    June 23, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    Wow! Just WOW!

    Okay.. So first off, the tuner seems a little expensive.. But once you apply the tune WOW. Okay, So i have a 2010 GT auto (boo) I know.. Mods include O\R X (no cats), CAI, and lowering springs. I spoke with one of the techs and asked if it is okay to apply the race tune for daily driving, he said yes. So I did. OMG. I've never had an automatic catch 2nd gear and chirp 3rd.. It drives like a new car. The torque difference is incredible. Fuel economy seems to be 1-2 mpg better. I was averaging 24mpg highway (mostly uphill) at 60mph, after passing 3 cars. If i drive normally 27 seems to be the number. The car seems to sound a little deeper (not placebo, didn't tell a friend what I did and he noticed.) Idle seems to be a little higher. The exhaust doesn't seem to smell as rich or strong. This tuner is definitely worth the money, I highly doubt you can find another mod for $389 that will wake your car up this much. If you use discount summerstang10 it gives $10 off on orders over 250 or more fyi.

    Destin

    Year: 2010 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2

    Helpful (1) (0)

  • 4/5

    June 21, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (11-14 GT, 12-13 BOSS)

    Big difference

    It takes a good 50 miles for it completley kick in but it makes a huge difference. It puts you back in the seat.

    Elier

    Year: 2013 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2

    Helpful (1) (0)

  • 5/5

    June 03, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    WOW.. 93 Octane tune..

    This tuner is a great way to wake up your mustang, I was really impressed at how much of a difference it made. Throttle response is much better, and pulls HARD into 2nd, 3rd, and 4th. It corrected my speedometer from my change in tire size, and the car FLYS now. Definitely a cheap mod for what it does to the car. Not to mention all of the other benefits that this tool does besides the tunes like obd, clearing trouble codes and reading your cars performance. Definitely a must have, and a big difference from stock.

    Hal

    Year: 2008 Model: GT

    Helpful (1) (0)

  • 5/5

    February 22, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    93 worked, 91 not so much!!

    I bought the bama tuner about a month ago and I've seen almost no increase in almost anything in the 91 tune. But the 93 tune however was awesome! With better throttle response, more horsepower, and it felt like first gear came alive.

    Tyler

    Year: 2005 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 1 Yukon, Oklahoma

    Helpful (1) (0)

  • 5/5

    January 20, 2016

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    A Must Have!

    I bought this product along with the steeda cold air intake for my first mods to my car...I was not disappointed! I fell in love with my car all over again! You can feel a huge difference,and it gave it a new more aggressive deep tone to it! If you are debating to get this product,I say go for it 100!

    Jeff

    Year: 2008 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 San Antonio,TX

    Helpful (1) (0)

  • 5/5

    December 18, 2015

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    BAMA X4/SF4 TUNER

    NICE PRODUCT, TOOK A COUPLE OF TIMES TO GET IT LIT UP BUT THEN WAS EASY TO DOWNLOAD ALL APPLICATIONS. GOT SNOW SO WILL UPDATE AS SOON AS THE STREETS ALLOW!!!! A FRIEND ISTALLED ONE ON HIS 06 AND WHAT A RESPONSE DIFFERENCE. CAN'T WAIT! THIS IS GOING ON THE 2008 SHELBY GT BARRETT JACKSON MUSTANG #100 OF 100. HAD A MILD TUNE WITH ALL THE FORD RACING INDUCTION FROM SHELBY.

    roushbarrettjackson3

    Year: 2008 Model: GT 'Stangs I have owned: 4 BILLINGS,MT.

    Helpful (1) (0)

  • 5/5

    September 01, 2015

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (11-14 GT, 12-13 BOSS)

    It's Alive!!!!

    Completely awakens the beast! Throttle response is 10x better and a significant power increase you can feel through entire rpm band! I pared it with an airaid CAI and couldn't be happier!! Still haven't tried the race tune but I'm told most ppl use it for daily driving, and that's where the most significant power gains are at..

    Joshmjosh

    Year: 2014 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 Mississauga, Ontario

    Helpful (1) (0)

  • 5/5

    August 11, 2015

    Review from Bama X4/SF4 Power Flash Tuner w/ 2 Custom Tunes (05-10 GT, Bullitt)

    Great Tuner !!

    Great product and very easy to use. Throttle response was very noticable as were the auto trans. Shift points. I would recommend this tuner any time !

    Funky

    Year: 2006 Model: GT 'Stangs I have owned: 1 Salem, Or

    Helpful (1) (0)

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