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Borla Over Axle Pipes (11-14 GT, GT500)

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Market Price $407.92 You Save 12% ($46.93)
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$360.99 (pair)

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  • Item 397308

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    Features, Video & Details

    • Intermediate Over Axle Kit
    • Less Restrictive than Stock
    • 2.75" Mandrel-Bent Stainless Steel Tubing
    • Natural Finish
    • Fuel Line Heat Shields
    • Million Mile Warranty
    • Made in the USA
    • Sold as a Pair
    • For Use w/ Borla Rear Section Kit and X-Pipe
    • Fits 2011-2014 GT and GT500 Mustangs

    Review & Installation Video

    Review & Install Video

    These are the Borla Over-Axle Pipes for 2011 to 2014 S197 GT and GT500. These are gonna be a good option for anyone looking to upgrade to a Borla X-Pipe and Axle-Back exhaust in stages, and you're looking for the budget-friendly stainless steel option. So an entirely new exhaust system can get expensive fast, especially if you want a nice setup. But there are ways to upgrade in stages. Normally, you get a new set of over-axle pipes when you purchase the cat-back. If you purchase just an axle-back and then pick up a mid-pipe down the road, you're looking at still having your stock over-axle pipes. You only get a new set of over-axle pipes for the cat-back or if you purchase them separately. Borla offers these over-axle pipes as a separate upgrade, so you don't have to purchase a whole Borla cat-back at one time to get new over-axle pipes. For the install, you can plan on spending an hour or two to get it all done, and you can expect a one out of three wrenches on the difficulty meter. The over-axle pipes are made to work with the Borla X-Pipe and Borla Axle-Back. Some people have made them work with other setups, but if you're looking to just bolt these right on and go, then you should already have the Borla X-Pipe and a Borla Axle-Back. Otherwise, if you wanna make these work with something else, you may need to tweak or bend some things to get these bolted up. Looking at the big picture here, the stock over-axle pipes have resonators in them, and they're also kinked which it doesn't help with exhaust flow. So not only are they restricted because they have those resonators, but they're also restricted for flow reasons. Eliminating those kinks and the resonators is gonna open up some sound and performance from the S197. So there's not much difference between these over-axle pipes and the stock ones. There's only so much that you can change there, but the difference is gonna be the elimination of those resonators which would be in the straight portion of the pipe and at the other end. The factory pipe has to flatten out here to fit on the car, and the factory pipe makes a funky S-Type of curve. These pipes eliminate that and the resonators, and you just have smooth manual bends instead, so that's where the benefit is gonna come from. Your sound gains are gonna change depending on the axle-back and mid-pipe setup that you have on your car, so keep that in mind if you decide to change your mid-pipe or headers or axle-back down the road. The sound you get from your exhaust is ultimately gonna change depending on your setup. If you have an off-road setup, it's gonna be louder. If you have a Borla ATAK versus a Borla Touring, it's gonna be a different sound. The over-axle pipes will open up some flow, but, ultimately, the sound that you can expect is all gonna depend on the rest of your exhaust setup. As far as materials, these are full stainless steel pipes, so they're gonna be perfect for all cars, even the daily's that see harsh elements and road soil. Stainless steel is always gonna be your best option when it comes to exhaust components because of its long lifespan and corrosion resistance. When it comes to price, you're looking at spending just south of $350 mark for these pipes. Like I mentioned earlier, the whole point of this product is to upgrade your exhaust in sections, so you don't have to shell out a ton of money for an upgraded system all at once. Some of the top of the line cat-backs are over a thousand bucks or very close to it, and if you pair these pipes with a Borla aftermarket Axle-Back and matching X-Pipe, then you've made yourself a full cat-back, and you didn't have to shell out that much money all at once. As far as the install, it's not gonna be a difficult one at all. You can plan on spending an hour or two to get it all done, and you can expect a one out of three wrenches on the difficulty meter. Your stock over-axle pipes will come out easily enough. It's just a few bolts to loosen the clamps and the mid-pipe and the mufflers to get those out. You'll just need to sneak the pipes out. These pipes will then install the same way that the stock ones came out, and they are side specific, so just be careful there. I'd say to make sure you go over the bolts and retighten everything down once your car has had some run time. You wanna make sure that you avoid any exhaust leaks. All right. Wrapping things up here, these are the Borla Over-Axle Pipes for 2011 to 2014 GT Mustangs. As always, you can check them out more online right here at americanmuscle.com.

    Performance You'll Love. While the stock exhaust system might be enough for some, you can make your Pony sound more aggressive and deep while performing better using these Borla Over-Axle Pipes. When combined with the Borla Rear Section and X-Pipe (both sold separately), these Over Axle Pipes finish off the cat-back system. There's absolutely no drone at any speed, no matter the gear you're in. You'll love these pipes and your passengers will be impressed with how they sound.

    Built to Last. These Over Axle Pipes are designed to directly replace the factory ones and are made of high-quality mandrel-bent stainless steel. That means you don't need to worry about them warping or becoming corroded as they can withstand the rigors of everyday use.

    Excellent Quality. Borla has built up a serious reputation for making some of the finest exhaust systems in the industry. You can place your confidence in these Over Axle Pipes because they add solid value to your S197 Pony. Their diameter measures 2.75 inches, allowing exhaust to flow freely and your engine to breathe as it should. Borla uses custom tuning to ensure these pipes work great with your specific GT or GT500 Mustang.

    Application. Borla engineered these Over-Axle Pipes to work with all 2011-2014 Ford GT and GT500 Mustangs when combined with the Borla Rear Section Kit and X-Pipe to form a complete cat-back system.

    Fitment: 2011 2012 2013 2014 Details

    MPN# 60521

    CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

    What's in the Box
    • (2) Over Axle Pipes
    • (2) Fuel Line Heat Shields
    Installation Info
    Tech Specs
    Will it fit my Mustang?

      Customer Photos (5) Submit Your Photo

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        Questions & Answers (36)

        5 Top Rated Questions

        If i have a pypes h pipe and borla axle backs will these fit

        • These Borla over axle pipes will work with the Borla axle back exhaust as they are both 2.75" however modification will need need to match the over axle pipe to the Pypes H-pipe as the H-pipe has a diameter of 3".

        Helpful (3)

        Will these pipes also replace the resonators or is that a different section of the piping? If not is there a delete kit for my car?

        • Hey Richard, Well technically the resonator is a form of muffler, and this system would not replace that. These will be the pipes that connect the mufflers to the mid pipe. so it will not delete the resonator (muffler). To change out the part of the system you would need to go with a axle back, or if you're feeling a bigger change go with a catback and that will be the combination of the axle back and over axle pipes.

        Helpful (2)

        Why do these OA pipes require a protective sleeve when the stock OA does not?

        • These over-axle pipes are bent slightly differently from the factory pipes. The heat shields are provided as a precaution to avoid any heat transferring to the fuel lines.

        Helpful (1)

        Will these fit the 2010 GT500? I did not see the product offered for the 2010 model year.

        • These Borla Over Axle Pipes do not fit on 2010 Models. 2005-2010 models used a slip on design, whereas the 2011-2014 models used a flared ball socket flange.

        Helpful (1)

        I did a resonator delete on my current set up and my question is would it be worth it to buy this? What would I benefit?

        • These over axle pipes would increase the airflow being pushed out of the car with the larger piping. This would be the only benefit that would have if you already deleted the resonator.

        Helpful (0)
        Post Your Question
        10 More Questions
        i have a pypes off road x pipe bolted into my factory over axle pipe, i got the resonators cut out and some piping welded in place to delete them, planning on installing corsa xtreme axle back bolt on mufflers here this weekend. will this over axle pipe be compatible with the mufflers, and bolt into the pypes x pipe as well? or does it count on the factory resonators being in place for length requirements? 0 answer
        Will these fit a 2011 GT with only a MBRP axleback? 0 answer
        Will these work with my bbk long tubes and bbk off road x pipe? I also have borla s type axle backs. I just need the over axel pipe now... 1 answer
        Will these fit with ford performance xpipe? 1 answer
        I saw a question earlier regarding V6 fitment. I do not understand why. On my current set up, the x-pipe is 2.75" and the axle-back is 2.5". From looking at pictures I cannot make out any significant difference in pipe routing either. So is the fitment just an issue of being able to mate a 2.75" diameter to a 2.5" at the connection of the over-axle pipe and axle-back? 0 answer
        Borla over axle pipes is fit to OEM axle back and OEM H-pipe on my 2013 SHELBY GT500 ? 1 answer
        2013 Mustang GT with Boss 302 intake, Borla Long Tube Headers and Borla cat-back exhaust with catless offroad x-mid pipe. What can I do to quiet it down? Will the stock axle back mufflers still fit and will that be the way to go? Or is there another Boral option? 1 answer
        Interested in buying a set of these was just wondering what h-pipe they would fit well with and if the would fit my roush axle backs i already have. 2014 gt Thanks in advance 1 answer
        Which borla x pipe should this be used with? 1 answer
        I have ford racing sport axle back mufflers and stock h-pipe on my 2011 GT. Will this fit? 1 answer

          Customer Reviews (20) Write a Review

          Overall Rating 4.7

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Loudness / Volume 4.55 4.6
          • Exhaust Note 4.75 4.8
          • Fit & Finish 4.85 4.9
          • Bang For Your Buck 4.45 4.5



          • 5/5

            Installation Time: Less than 1 Hour

            May 19, 2019

            Steve buff

            Easy to put in hooked up to the Aktas just fine and to the pypes cat deletes

            Clean

            Year: 2011 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            March 24, 2019

            Definitely worth doing

            These pipes were a snap to install and look and sound great. It actually got rid of some of the drone. Paired with Flow Masters this is the heat!!

            Haji448

            Year: 2013 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            February 26, 2019

            Great

            They are a perfect addition to my exhaust. Also added the flow master outlaw series axle back, if your looking for a loud but great sound this is the easy to go.

            JohnP

            Year: 2013 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Less than 1 Hour

            December 03, 2018

            Work great with the Roush Axlebacks

            Got these shipped in quick! I had the Roush Axlebacks on and was a bit worried about if these would fit. Good news is these over axle pipes are a direct fit to the stock fittings, so these ARE compatible with a stock H pipe and other axlebacks. Install wise I tried to do it on jack-stands, but could not get enough clearance and had to drive it to my buddy's lift. If you had tall enough jack-stands you may be able to snake it out, but be careful because it will require a lot of clearance. It took me 45 min to install them with a impact gun.

            TannerB

            Year: 2014 Submodel: GT

            Helpful (5)

          • 5/5

            Installation Time: Afternoon

            September 06, 2018

            Good product

            You need a lift or really high jack stands to install these cause they get stuck on axle in the back.

            Mithrojin

            Year: 2013 Submodel: GT

            Helpful (5)

          • 5/5

            Installation Time: Less than 1 Hour

            August 10, 2018

            Awesome!

            Perfect fit and great sound! If you’re looking for louder.....this will definitely help. And to those who are wondering if they will work on lowered cars...yes. They do. No rattles no interference issues. Nothing. And I’m dropped 1.5” front and rear. Perfect fit and finish!

            Vic302

            Year: 2013 Submodel: GT

            Helpful (4)

          • 5/5

            Installation Time: Afternoon

            July 31, 2018

            Borla quality

            Loved the quality of the midpipes. You can not go wrong with Borla.

            RG

            Year: 2014 Submodel: GT

            Helpful (4)

          • 5/5

            Installation Time: Less than 1 Hour

            July 29, 2018

            Borla pipes

            I love it good quality perfect fits I recommend sound awesome

            WardylesterC

            Year: 2014 Submodel: GT

            Helpful (5)

          • 5/5

            Installation Time: Less than 1 Hour

            June 21, 2018

            Borla

            Perfect fit. It took maybe 20 min to put on. Sounds so much better without the resonators

            JamesB

            Year: 2014 Submodel: GT

            Helpful (6)

          • 4/5

            Installation Time: Less than 1 Hour

            May 30, 2018

            Great Mod!

            Got these to go with the Borla S-Type mufflers i got. The OAPs came first so i installed them with my GT500 mufflers. I had to go to a shop that rents out lifts for the install. Once the car was in the air, only took about 30 minutes to unbolt everything and get the new pipes in. On initial start up (warm start) I didn't notice much of a difference. I noticed it when i really got on the throttle, though. I had the chance to let someone else drive my car while I followed it around and it sounded so sweet. Sounded much more muscular than the stock pipes with the resonators. These pipes weigh much less than the stock pipes and looked great out of the box. They come with heat sleeves for the fuel lines, but not the instructions for where/how to install them. I e-mailed Borla and they sent me a PDF. Would have been nice if the pipes came with the instructions or the directions to the link for the PDF. While you could spend less money on resonator deletes, i think these are better in the long run because of the quality and no need to worry about welds going bad and leaking. These will make any axle back system you have sound much better without being obnoxiously loud.

            RyanN

            Year: 2011 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            May 10, 2018

            Perfect Fit

            I had to take my car to a shop to have them installed didn't want to mess with lowering the rear diff. took about 30 minutes at the shop.

            SalOne

            Year: 2014 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Less than 1 Hour

            March 26, 2018

            Great quality

            Excellent fitment. feels like they are half the weight of my factory pipes.

            ChrisW

            Year: 2011 Submodel: GT

            Helpful (6)

          • 5/5

            Installation Time: Less than 1 Hour

            February 07, 2018

            Must have these!

            Got a Ford xpipe for Christmas and installed it about a month ago. Running a xpipe and borla ataks ABs with stock over axle pipes made the car sound almost stock. Made the jump to buy these and beyond pleased. No fitment issues at all whenever installing. Defiantly need a lift whenever installing due to length of pipes. Just installed them 30 minutes ago and now my car sounds alive at idle and screaming WOT. This is a must have product!

            ColbyB

            Year: 2014 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Shop Install

            September 21, 2017

            Roaring Rumble

            I paired these pipes with the GT 500 axle backs and the sound is perfect, with a slow rumble at low RPMs that drum rolls faster up the power band and that old muscle car cough out the pipes with a downshift. I hardly listen to the radio anymore. I did a shop install and they said it was an easy bolt on. The pipes are tucked in nicely under the rear trim, although they favor the inside, nearly touching the plastic. It would look a bit better if they were centered within the cutout like the original mufflers, but it's a small detail--and other than that, this was a perfect purchase.

            JeremyZ

            Year: 2012 Submodel: GT

            Helpful (9)

          • 5/5

            Installation Time: Shop Install

            Installation Cost: 0-$100

            September 02, 2017

            Borla over axles

            Great option if your looking to delete your resonators. Paired this with the roush axle back, cai, and bama custom tune. It screams on WOT and cold starts. Not obnoxiously load when cruising or idling. Great if you want deceleration pops. I wanted more so I got the bama custom tune and it makes a BIG difference. If you dont want to go through the hassle of a cat delete for sound, go with these.

            Matt

            Year: 2013 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Less than 1 Hour

            April 20, 2017

            Nothing but the best from this company!

            To start, I questioned whether it would be a good idea to buy these over axle pipes due to some of the reviews on this site. Now that I have them on my 13 GT I couldn't be happier. I had borla exhaust parts on my old 04 GT and the fit and finish was perfect. These over axle or 'intermediate' pipes fit perfectly on my car. High quality stainless steel means minimal corrosion, and getting rid of the factory resonators gave a great new sound to my 5.0. Wouldn't expect anything less from Borla. I am extremely satisfied with this product and will be buying borla long tubes and mid pipe to go along with these and my borla ataks. Nothing but the best when you buy borla exhaust parts!

            Josephdunz

            Year: 2013 Submodel: GT

            Helpful (8)

          • 4/5

            Installation Time: Afternoon

            April 09, 2017

            Nice addition! Installed on jack stands.

            This an addition for those of us who don't want to annoy the neighbors every time you fire up your pony, but get more when you mean to. I bought these to augment the GT500 axle backs on my '12 GT. I was looking for a bit more of a throaty tone, and previously though I had dented my resonators in the past (turns out, that's a "feature" from the factory). I got what I wanted: throaty, lower rumble at idle, and a nice crackle and pop on downshift. There's another reviewer who complained about rasp - he may have different axlebacks, but these work really well with the GT500 mufflers in my opinion. I do think you're paying partially for the Borla name, but they're fit and finish is top notch, so to me the extra cash is worth avoiding the pain-in-the-a$$ery you can get subpar quality. Some tips on installation: I did this on jack stands, and you'll want to remove the rear springs. It's easy - don't be intimidated (but buy a decent torque wrench): 1. Once on stands, place the jack under the diff (use a block of wood between the two, and make sure it's centered!) 2. Remove the way bar-to-body attachment bolts - be careful, removing the last bolt lets the sway bar pivot down. I didn't pay attention and almost lost a few teeth when it came down. 3. Remove the lower shock bolts. You might have to adjust the jack up/down a bit to remove the strain on the bolt. 4. This is important: inside each fender well, remove the brake line bracket. This gives the brake line enough play when you lower the diff - you don't want to stretch those. 5. Lower the diff - remove springs. Installation is reverse of removal. Here are the torque specs: 1. Shock bolt: 85 lb-ft 2. Way bar bolt: 85 lb-ft You should be able to snake the old pipes out, and get the new ones in now. Be sure to use the red heat shields, and carefully place the pipes to avoid the drive shaft hitting it when the suspension articulates, clearance from wiring, fuel lines, and the body. I was able to get at least one finge width everywhere (although I still fill that's close). Now that I've done it once, I could probably do this in under 2 hours. I'm very detail oriented, so it took me way longer than it should have. Oh, and while you're in there, I put a aluminum drive shaft in. If you do that, be sure to temporary place the pipes (don't attach them, let them hang down), button up the suspension, and install the drive shaft. Access to its bolts is much easier with the exhaust pipes removed.

            Philip

            Year: 2012 Submodel: GT

            Helpful (17)

          • 2/5

            March 03, 2017

            They're okay I guess for the price

            Well I bought these pipes thinking that they will look like the picture but I should have read about it first it's a non coded finish... and when I receive them they were all scratched up look like something you get at a exhaust shop cheap but I wet sand them and polish them up came out pretty good....

            TonyBoss

            Year: 2014 Submodel: GT

            Helpful (6)

          • 4/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            March 02, 2017

            Before you purchase...

            These came well shipped, but my mechanic said he had to alter one of the pipes slightly to fit with my roush axle backs. These did make my exhaust louder, however once I get around 2300-2700rpm the rasp is pretty bad. I'll probably end up going back to my stock over axle pipes so I'm out a few hundred dollars. I'm sure that depending on your exhaust setup, that these pipes will make it better but for anyone using these with roush axle backs w/ stock h pipe and cats I wouldn't recommend. THIS REVIEW IS NOT TO BASH THE PRODUCT, only to make people aware that along with a louder exhaust note the rasp will increase. It might be a better idea to have muffler shop cut out your resonators, so if you don't like the sound they can weld them back in. Hope this helps.

            MustangFan34

            Year: 2014 Submodel: GT

            Helpful (12)

          • 5/5

            Installation Time: Afternoon

            December 16, 2016

            Love these pipes!

            These Borla over axle pipes are the perfect complement to an aftermarker axle back exhaust. I paired mine with the borla s-type and this setup really shows you how great the mustang can sound and how it should have sounded straight from the factory. Installation is straight forward and is able to be done on a pair of jack stands. Highly recommend!

            Dreamcarmustang

            Year: 2014 Submodel: GT

            Helpful (7)

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