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SR Performance Aluminum One Piece Driveshaft (11-14 GT, BOSS)

Item 13953
AmericanMuscle no longer carries the SR Performance Aluminum One Piece Driveshaft (11-14 GT, BOSS). Please check out Ford Mustang Driveshafts for an updated selection.
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    Review & Installation Video

    Hi I’m Justin with, and I’m going to be giving a basic breakdown of this all aluminum one piece driveshaft fitting all 2011 and newer Mustang GTs. The two most important benefits of using a one piece all aluminum driveshaft is that it’s going to be lighter and stronger versus your stock unit. A lot of aftermarket driveshafts are made using some kind of high quality aluminum such as this unit. There are chromoly and carbon fiber options available out there as well, but typically they’re more expensive. That lighter weight is beneficial for a couple of different reasons. First, by shedding weight off your rotating assembly, you’re not only going to lighten the load on your drivetrain, but your car should feel more responsive overall, and you might even see some lower 60 foot times at the track. I’m curious to see what the actual weight difference is when using the aluminum driveshaft versus our stock one, so I grabbed a scale from the warehouse just to take a look for myself. Do the stock one first…pretty sure that’s on there, it’s not touching the table, and we’re looking at 39 lbs, just about even here. Right, up next our aluminum one, I can tell instantly this thing is way lighter. Right I’m not touching it…20 lbs, so just about 19 lbs difference we’re looking at between the stock versus the aluminum driveshaft. That’s quite a difference when you factor in its rotational mass as well. If I can get a little nerdy here for a minute, conventional wisdom tells us that 1lbs of rotational mass, is equal to about 4lbs of unsprung mass or dead weight. So in this case, that would amount to ditching about 80lbs off our car, which isn’t too bad. Not only is the aftermarket driveshaft much lighter as we just witnessed with our scale, but that one piece design is going to be much stronger versus our stock two piece unit. Obviously you can see how much bigger the driveshaft is versus the stock unit, but as you can see with the stock unit, every time you have another joint in the middle here, which we do, you’re essentially adding another weak spot, which can be prone to failure. That one piece tubular design we have with our aftermarket unit, can be pretty much bulletproof especially when you factor in the new pinion flange, and those beefed up 13-30 U-joints. Based on our experience using this driveshaft on project blackout, we never experienced any excess noise or vibration at all, and based on our positive reviews on the site here, seems like our customers aren’t experiencing any problems either. Another small but still very part is the fact that this driveshaft doesn’t require any additional adaptors unlike some other aftermarket driveshafts, which can sometimes be the cause for noise and vibration. This is an intermediate install here, meaning it’s not the toughest thing in the world, but if you’re a first time or novice wrencher, then you might want to have a buddy on hand before you go bolting everything up. Either way, getting the stock driveshaft out of the way and installing the new aluminum driveshaft should only take you about 2 hours. So if you’re looking to ditch your factory two piece driveshaft in favor of a much stronger and lighter aluminum unit, then you’ll want to check out this one piece aluminum driveshaft available right here at

    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation


    • 20lbs lighter than stock
    • Quicker acceleration
    • More responsive engine
    • Seamless 1-piece aluminum tubing
    • Made in the USA
    • Includes new pinion flange
    • Fits 2011-2014 Manual and Automatic GT and BOSS Mustangs


    See our 2011 GT Project Car Now

    Faster Quarters. Shed up to 20 pounds of rotating mass and shave up to 0.2 seconds off your quarter mile time with this lightweight aluminum driveshaft.

    Made in the USA. Unlike other aftermarket driveshafts, every part of this driveshaft is made in the USA to ensure the highest level of performance.

    Superior Quality. Unlike other designs which use an adapter - causing vibration and even failure - this driveshaft features a completely new pinion flange for superior durability and performance. It features 1330 series U-joints and is a solid, 1 piece design made with 4" Alcoa certified 6061 aluminum tubing.

    Precision Crafted. When selecting a driveshaft for your 2011-2014 Mustang GT or BOSS, you want one that has been made to the highest standards for peace of mind. This aluminum driveshaft has been balanced using Schenck military grade equipment to guarantee vibration-free performance.

    Application. This driveshaft has been designed for 2011-2014 GT and BOSS Mustangs with either the 6-speed manual or automatic transmission. Will not fit GT500.

    SR Performance


    CA Residents: WARNING: Cancer and Reproductive Harm -


    Customer Reviews (22)

    Write a Review

    Ratings Summary

    4.9 out of 5 overall rating from 22 customers

    Installation Time: Full Day

    Installation Cost: 0-$100

    • August 04, 2016

      3 - kona2012

      Noticeable Different but Not Balanced!!

      I paid to take off the stock DS and put on this one-piece one. Then I had a vibration and it hit on the exhaust over one of the unavoidable big bumps on my way to work. I think the diameter of the one-piece is a little bigger than it should be to get the bump, which possibly could be the reason this particular one has been discontinued from AM. So since the vibration didn't suit me, I paid to swap it out for the stock again. But just to cure my curiosity, I took the one-piece to a machine shop to see if it was unbalanced and unbelievably IT WAS and I have the receipt and the new weight on the one-piece to prove it!!!!! ***It was not properly balanced right from the Driveshaft Shop and AM!*** I only ran it for 4,887 miles (I have my service records for this mileage as well)!!! So not only was the product out of balance from the time of my purchase but I've spent (I'm going to do it myself next time) $100 each time at my shop to get the thing put on and taken off. But of course, as any Mustang Owner would, I feel a duty to science to put the one-piece back on again to feel what a properly balanced DS feels like! Most people would say the difference is negligible and going from stock to the one-piece and I'd day they are right (although I could tell a difference in how snappy the car was) but going from the one-piece BACK to the stock was huge! The car is so sluggish with the stock compared to the one-piece and I need to get it back on!!! If you have some stupid money laying around, I'd say buy one. But with my experience, I'd have it balanced before you put it on just to be sure!!!! Otherwise I think it was a good purchase to give my car a bit more snap... even if it does hit occasionally on the exhaust.

      Helpful (9)
    • November 30, 2014

      5 2014 GT - cagibson Installation Time: Shop Install Installation Cost: 0-$100

      Heck yeah! No more clunk!

      This drive shaft remedied all the "clunkiness" during shifting that is present with the factor two-piece. I am very pleased with this purchase!

      Helpful (8)
    • May 07, 2014

      5 2014 GT - kenninarkansas Installation Time: Less than 1 Hour

      aluminum drve shaft

      perfect fit, looks great and can difference in it

      Helpful (8)
    • April 19, 2014

      5 2014 GT - k1DBLITZ Installation Time: Less than 1 Hour

      So smooth....

      Never mind the increased acceleration, never mind the piece of mind from durability provided by this shaft, never mind the allure of lower ET' it for "the smooth". It's difficult to describe in words how much better the drivetrain "feels" after installing this drive shaft. (manual tranny) It's much more snappy, tight, responsive, and smooooooth. The slack, slop, and clunk is GONE. No vibrations. Extremely happy with this driveshaft.

      Helpful (9)
    • March 31, 2014

      5 2012 GT - 12mustang Installation Time: Less than 1 Hour

      Nice drive shaft quicker reponse

      I'm happy with my purchase of this item it cut off 20 pounds and has a quicker response now Im going to supercharge my car I want to see how it does with that if you are looking for a drive shaft this is very nice I recommend this item

      Helpful (8)
    • August 14, 2013

      5 2011 GT - LOUISSIUOL Installation Time: Afternoon

      very light driveshaft

      i purchased this drive shaft mostly because the stock drive shaft would snap in half at my power level. it is very light weight and solid as well. As stated in other reviews, this is something a shop should install, unless you have access to a impact wrench with VERY high torque capabilities (at least 700+ ft lbs) and a 27mm impact socket, torque wrench capable of 140ft lbs. if you do not have the above and some mechanical know how, this is best left to a pro.

      Helpful (8)
    • August 10, 2013

      5 2011 GT - mustangvert Installation Time: Afternoon

      Way better than the stock clunker!

      The car responds faster and no more of the clanking noise from the stock DS. Install was pretty easy, I didn't have to relocate the e brake bracket thee was plenty of room with my 1.5" drop.

      Helpful (8)
    • July 22, 2013

      5 2012 GT - Ray22 Installation Time: Afternoon

      A must have especially for 2012 mustang!

      Guys if the question is, is it worth spending the money on the product the answer is YES! Huge difference in throttle response and is a super easy install. I have the eibach sport line springs and the drop is 1.3" In front and 2.0" in the rear and it works great no additional mods needed even putting suspension under load, pinion angle is still within specs. make sure you count the amount of threads on nut before removing pinion flange bolt or just torque to 140' pounds. Again works great no vibration or hum, oh' and be sure to seat the pinion flange nut with a ratchet not an impact gun (impact gun is only to aid in removal of nut).

      Helpful (9)
    • June 20, 2013

      4 2013 Boss - DMCAP Installation Time: Afternoon


      I have not taken my car to the drag strip yet so I don't know if the car is any faster, I do not notice any difference in power while driving on the street. Putting it in took me a lot more time then I thought. It didn't come with any torque specs. I do hear a whinning noise around 2000 rpm's in 6th gear. When I hit 70 MPH it goes away. I was told these driveshafts do make some noise. If my times are better at the track then I would say it's all worth it.

      Helpful (8)
    • June 14, 2013

      5 2012 GT - Fullblown1931 Installation Time: Afternoon

      you will notice a difference

      First thing you will find in your shipment is one small sheet of instructions that don't tell you much of anything , that you torque the new bolts to 76 ft/lbs I installed this with stock susp do not remove the paper covering the new driveshaft!!!. you need the following tools 10mm socket, 12 mm 12 pt socket. 13mm socket with a swivel 27mm (1" 1/16" ) socket and a torque wrench capable of 140 ft/lbs and 2 2x4 's about a foot long and tall jack stands (6 ton) and a small hammer (brass is nice) it's easier with two people also. first jack the car up and get it ask high up as you can run the stands to full up!! take out the original drive shaft ends loosen first rear is a 10mm front a 12mm 12pt then a 13 mm with a swivel to take loose the carrier bearing do the drivers side bolt first!! then slide the old unit out the back. set the e-brake and remove the pinion flange plate with the 27mm or 1" 1/16" socket , then tap the flange off. Grease the seal surface and and tap the new flange on the pinion and replace the pinion nut and torque to 140 ft /lbs. next is the hard part getting the new shaft in. don't take the paper cover off of it you will need to shove the 2x4's between the exhaust and the floor pan to gain room or drop the exhaust down the shaft goes in from the rear with the bellows at the rear ( i did this by myself extra hands is s huge help) it rubs everywhere as its going in ( had to use my feet to push it thru pulling on the swaybar) once it's in the tunnel put your bolts in using loctite and a 12mm 12pt socket and torque them to 76 ft/lbs then remove the paper cover it took me 1.5 hrs to install in the driveway by myself. I noticed just backing the car up a difference and it's so smooth and less pedal on the gas too.

      Helpful (8)

    Questions & Answers (10 answers)

    5 Top Rated Questions

    Do I have to replace my Rear pinion flange?

    Work with lowered Mustangs? I have a 13 5.0 lowered with Steeda UltraLights and I also have an MGW shifter. Will this driveshaft work with these mods?

    • yes it will work fine

    Helpful (0) Show 1 more answer

    Is an adjustable UCA required? I've been told that an adjustable UCA is required. Is this true? Or can a one piece non adjustable work? Heck is the stock UCA useable?

    • you will need adjustable uca not only to correct any kind of rubbing but too also dial pinion angle for optimum performance.

    Helpful (0)

    will i need a new tune Will i need a new tune or have to add a shaft loop

    • No you will not need a tune to add this part.

    Helpful (0) Show 2 more answers

    Will This DS fit with the Ford Racing Axle Assembly I have a 2011 GT with the Ford Racing SVT Rear Axle Assembly (05-13 GT, 11-13 V6, 07-12 GT500). Will this fit? Wes.

    • Yes the driveshaft will fit

    Helpful (0) Show 2 more answers
    Post Your Question
    5 More Questions
    eliminate "thud" senstion? Will this driveshaft eliminate the audible "thud" sensation while shifting and while letting off and pushing gas pedal?? I hear it's common with the stock 2 piece drive shaft..Some people on the mustang forums say the aluminum driveshaft is the answer.. Just want to make sure before spending $770 plus install.....Thanks.. 2 answers
    Will this driveshaft work for a Roush 5XR and Which driveshaft loop would be the best to use with it? 3 answers
    Do I have to change angle If I have stock 2013 GT - (not lowered GT) will this bolt up without changing any angles or buying, adding parts? Thanks 2 answers
    What are the rear wheel horsepower and torque specs (capabilities) for this driveshaft? 1 answer
    GT for v6? Can I buy the GT DS for my v6, or should I just get the v6 model? I'm procharged and 3.73 gears, so I am worried I might be putting too much pressure on the v6 design... 2 answers

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Driveshaft
    • (1) Pinion flange
    • (4) Bolts

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