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Roush Axle-Back Exhaust (11-14 V6)

Market Price $549.99 You Save 6% ($35.00)
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  • Item 69060
  • MPN# 421145

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Features, Video & Details

  • Aggressive Exhaust Sound
  • Unique Open-Chambered Muffler Design
  • 409 Stainless Steel Tubing
  • 304 Stainless Steel Tips w/ Chrome Flashing
  • Fits 2011-2014 V6 Mustangs

Review & Installation Video

Review & Install Video

Aggressive Muscle Car Sound. Let everyone know your 2011-2014 V6 has arrived with the aggressive sound of this high performance Roush exhaust. This innovative new Roush exhaust system features a hollow chamber muffler that results in increased air flow and a unique sound, with no in-cabin "boom" normally found with performance exhaust at cruising speeds.

Quality Roush Construction. Constructed from 409 stainless steel for a durable long life, the Roush axle-back exhaust system features two unique chambered mufflers with 304 stainless steel tips. The tips are finished with a new chrome flashing process that is resistant to discoloration due to exhaust heat.

Application. This Roush Performance Axle-Back exhaust system will fit the 2011-2013+ V6 Mustangs with the stock V6 rear valance or the Roush Rear Valance.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (2) Muffler assemblies
  • (4) Clamps
Installation Info
Tech Specs
Axle-Back Exhaust Specifications
Piping Material: 409 Stainless Steel Tip Material : 304 Stainless Steel with Chrome Flashing
Piping Size: 2 1/2" Tip Size: 4
Muffler Type: Chambered Fitment: 2011-2014+ V6 Mustangs
Will it fit my Mustang?
  • V6 - 11, 12, 13, 14

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Most Helpful Reviews

2011 v6 ROush axle back

To start.... wow. The exhaust system was rather simple to put on. 1 hour from removal of old mufflers and install of new ones. They have a great finish.. The worst part was removing the old stock ones. This ...

Read More
Helpful (32)

Poor quality

I bought these axel-backs a few months ago, and I wrote a review titled "Pleasently Suprisded". However, now a few months later when I was inspecting the mufflers, I noticed that the left muffer has split ...

Read More
Helpful (29)

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

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31 Questions / 9 Answers

Ask a Question

Does this exhaust require a tune? Would it be more beneficial to update your tune specifically with these axle backs? Thanks


  • Axle-back exhausts do not require a tune. You can simply bolt them on and enjoy!


Show 2 more answers Helpful (6)

10-12 Roush Rear Valance I drive a 2013, do I need the 10-12 Roush Rear Valance?


  • This exhaust will fit with the stock factory V6 rear valance on the 2010-2013 V6 Mustangs. Unfortunately, the Roush Rear Valance won't fit properly on the 2013 however.


Show 2 more answers Helpful (4)

Will these work if I had a muffler delete?


Do both exhaust come as a pair for $515.99?


  • The Roush Axle-Back Exhaust is sold as a complete set, with both the left and right portions included.

    Rob D

Helpful (0)

I have a 2010 V6 single exhaust. I'm wanting to convert it to dual but I do not know what the best conversion and rear valence that would be best. If it is possible, will I be able to fit this exhaust and still have a good sound even though it's a year older? Thank you!


  • This Roush Axle-Back Exhaust will not fit a 2010 as it is designed around the 2011-2014 3.7L V6 exhaust setup, which came with dual exhaust from the factory. There will not be a dual exhaust conversion that is right for everyone, luckily we offer a large range of kits to help you make your Mustang sound exactly how you want it. You can see our full range of dual exhaust conversions for 2005-2010 V6 Mustangs at the link below:

    Rob D

Helpful (0)

Will these fit 2010 mustang?


  • This axle back system will not fit the 2010 V6 models. You will need to look at doing a dual set upconversion in the 05-09 exhaust category which will cover 2010 models as well.


Helpful (0)

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Customer Reviews (100+) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Afternoon

Installation Cost:0-$100

  • Loudness / Volume 4.700637 4.7
  • Exhaust Note 4.509554 4.5
  • Fit & Finish 4.805732 4.8
  • Bang For Your Buck 4.566879 4.6

  • 5/5

    March 26, 2011

    2011 v6 ROush axle back

    To start.... wow. The exhaust system was rather simple to put on. 1 hour from removal of old mufflers and install of new ones. They have a great finish.. The worst part was removing the old stock ones. This exhaust has such an amazing tone in prson. NO audio on the internet truly displays the sound quality.... It is loud... but also throaty... and down right nasty at full throttle.... I LOVE IT... It is all smiles from ear to ear. If you are thinking about it... stop... JUST get it.


    Year: 2011 Submodel: V6

    Helpful (32)

  • 2/5

    Installation Time: Less than 1 Hour

    September 10, 2011

    Poor quality

    I bought these axel-backs a few months ago, and I wrote a review titled "Pleasently Suprisded". However, now a few months later when I was inspecting the mufflers, I noticed that the left muffer has split along the soddering. This spilt takes up about half of side of the muffler and, has been leaking the black exaust grit on the finnish of it. I think it was due to heat, and poor construction. I know it is cheaper construction because they are MADE IN CHINA. Its more cost effective for Roush, but not true quality anymore. They also are rusting in a localized area of the other muffler and has ruined the chrome finish, and eaten away at it. Im going to try to get my money back because im not dealing with it again, and im going to get the Borla ATAKs. They are made in America, are more expensive due to better construction, and have a million mile warrenty. If you are considering the Rosuh axel-backs, I highly advise not to, and might as well spend the extra couple hundred to not deal with the big headache that I have to deal with now to get my money back.


    Year: 2011 Submodel: V6

    Helpful (29)

  • 5/5

    January 09, 2011

    worth the money

    Bought this for my 2011 V6 premium mustang, it has a nice deep sound. Everyone who has heard it loves it! It was easy to install took about an hour.


    Year: 2011 Submodel: V6

    Helpful (17)

  • 5/5

    March 13, 2011

    Sound Amazing

    Sound is amazing. LOUD and DEEP. When cruising there is little noise in the cabin. but if u try to accelerate between 1500-2000 RPM in higher gear it gets drone inside.2k+ RPM sound is amazing. if u change gear between 3000 to 4000 then u get extremely LOUD POPPING which is the BEST part about this exhaust. i really like them and definitely recommend them.

    Jatinder Rooprai

    Year: 2011 Submodel: V6

    Helpful (15)

  • 2/5

    Installation Time: Less than 1 Hour

    December 25, 2012

    Highly Disappointed with These Axle Backs

    I did vast research when looking for the right exhaust for my 2013 V6... I decided to go with Roush, as YouTube videos portrayed them with the best sound (so I thought). Plus, it's Roush, so I thought I couldn't go wrong. Install was simple, and took less than an hour. Hardest part was getting the stock mufflers off. At start up and idle, the thing sounds like a beast. It has a deep rumble, and sounds great. Anything higher than 2500RPMs, and I am highly disappointed. The first thing my dad said when I pulled up, was "Sounds like my Sentra (Spec-V, in which he has riced out)..." Then I went to my boyfriend's, and the first thing he said was "Sounds like a 4-banger with a coffee can". They are both EXACTLY right! It has the most terrible, high pitched, ricey tone. Trust me, I know it's a V6, but there is absolutely no way that 305hp should sound like this. Long story short, I'll be taking these off as soon as I can. The high pitched, obnoxious sound is too much. I'm all for LOUD, but not the gross tone these axle backs put out.


    Year: 2013 Submodel: V6 Riverside, CA, USA

    Helpful (9)

    • Response from AmericanMuscle

      Adding an aftermarket x-pipe or h-pipe would help change the sound if you wanted to try that route. If not, please give us a call so we can figure out another course of action to help you!

      Lisa , Customer Care

  • 5/5

    July 15, 2011

    Best sound on the V6

    In my opinion, it's the best sounding axle-back on the '11+ V6. It's LOUD, deep and has a great tone. Some people complain that the sound gets high pitched, well, it's a V6, not a V8. If you wanted the V8 sound, you should have bought a V8. I hold no misconceptions about my car, though, so I enjoy it. The sound has gotten respect from many 5.0 and GT guys, and in all honesty, 90% of the people on the road won't know the difference between a V6 and a V8. Pro's: - Nice deep rumble and growl - Loud popping and burbling between shifts - Very competitive price - Tone changes above 3k to a wailing/screaming sound - Start up is amazing Con's: - A bit of drone (I personally enjoy it) - Tone changes above 3k to a wailing/screaming sound - Some raspiness Some people have added resonators and loved the deeper, less raspy sound. For me, it's great the way it is.

    Jimmy M

    Year: 2011 Submodel: V6

    Helpful (9)

  • 2/5

    March 27, 2011

    Very Dissatisfied

    Let me start of with what i DID like...The idle and rev sounds pretty deep and nice! What upsets me is once you get on it and get above 2000rpms the sound gets High and Raspy...I really wanted that deep V8 sounds and I feel like i have an import/Honda-Like sound...If you are seeking a deep nice muscle tone I really recommend a different product


    Year: 2011 Submodel: V6

    Helpful (9)

  • 4/5

    February 08, 2011

    Great For The Price

    Extremely loud at first, but after a few miles the volume drops down. Nice tone in lower RPM range, a wailing sound like a plane taking off when hitting 3k+.

    J M

    Helpful (9)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    May 11, 2013

    Sounds great after break-in period

    I had my local guys install the Roush axle-backs about two weeks ago. I was amazed at how loud they were when I first started it up. Actually had a police officer friend give me a ride to the shop, and he had to ask, "Do you just wake up every day and think of what you can do to make your car more illegal?"... The exhaust became much quieter after 300-400 miles. I have done about 1k on it now, and the tone has settled down into something very pleasant. From idle to about 2k RPMs, it has a deep V8 sound, especially under load at lower speeds where road noise doesn't overwhelm it. My primary issue with this setup is the note from 2k-3k RPMS. There is a certain spot around 2.7k-2.9k where the exhaust note changes dramatically and becomes very noticeably raspy. The note changes again around 3k-3.1k back to a more aggressive high-end v6 sound, which sound great at WOT. Keep in mind, this exhaust is loud, and there is a possibility of breaking sound ordinance laws if you run WOT within city limits. There are a lot of popping and gurgling noise during deceleration and midshifts which I love. It makes the car sound really mean and I've had a lot of people look when they hear it. I plan on asking my muffler guys what we can do to fix the awful raspiness at 2.7k-2.9k, but other than that the exhaust is awesome. The tips look much better than stock, and fit perfectly with the stock rear end.


    Year: 2014 Submodel: V6 East Tennessee

    Helpful (6)

  • 5/5

    Installation Time: Less than 1 Hour

    December 09, 2016


    This is my first mod to my v6 mustang and after looking at so many products and reviews I ended up going with Roush. This exhaust beyond my expectations. It's loud when you want it to and quiet when you need it to.


    Year: 2014 Submodel: V6

    Helpful (4)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    February 05, 2014

    Holy.... WOW! These are loud.

    These things are amazing! When you turn your car on, The exhaust just sounds like a V8 startup... after warming up, The sound gets quieter, but you can still hear a rumble. Quieter... That is until you step on the gas... It extremely loud, Don't let those YouTube videos fool you! You can hear this exhaust from 2 blocks away if you go WOT.... Not even close to that on Stock exhaust. My only complaint is that they sound a bit like those boom tubes on old civics... The good thing is, Our mustangs have one thing that those civics don't have..... Power. Speed. I recommend these if you like attention as everyone will be looking at you when you take off... Lol. All my co-workers love it! However, I went WOT at a green light for about 10 seconds and a cop in oncoming traffic flashed his emergency lights, So I don't recommend going WOT in public. It's that loud.... I absolutely love it! I'm just still not sure if these are California street legal. Also, Install was $100-$250 because I had my LSD+4.10 Gears installed as well.


    Year: 2013 Submodel: V6 Los Angeles, CA

    Helpful (4)

  • 1/5

    Installation Time: Less than 1 Hour

    July 08, 2013

    Had High Hopes...

    I had really high hopes for this exhaust system after hearing several sound examples on YouTube. I was hoping for a deeper, more muscular sound, and after reading reviews it appeared that this system was the way to go. The exhaust kit looks great out of the box and I really liked the way the exhaust tips looked on the car. I was not a fan of the exhaust note though. It deepened the tone a little bit, but it resulted in a more ricey, tuner style sound, exactly the opposite of what I was looking for. They are VERY LOUD, something that YouTube wasn't able to show very well. On a good note, it seemed like this Roush system coupled with the Airaid CAI provided better throttle response and performance. The sound at idle was also nice. I put 50 miles on the new exhaust and quickly took them off. The stock exhaust with the Airaid CAI has a very good sound to it, so I'm going to stick with that until I can find the axle-back that fits what I'm looking for.


    Year: 2014 Submodel: V6 Denver, CO, USA

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    June 20, 2013

    WOW...Worth Every Penny

    To start, I ordered the Roush Axle Back Exhaust because of the great price and good reviews. The exhaust came right on time but I found some damage to the exhaust while it was in route to my house. The flare on the muffler inlet pipe was dented pretty good and I was a little disappointed but it wasn't anything I couldn't fix. After straightening it out I tackled the install which was a breeze taking about 45 minutes and I'm no exhaust expert. The instructions are great and after starting up the car for the first time I was very pleased and the exhaust is everything I wanted!


    Year: 2013 Submodel: V6 Frisco, TX, USA

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    March 18, 2013

    Simply AMAZING!

    Well, these were much louder and deeper than I anticipated. For being a V6 2013, i was impressed. HINT: Videos make the exhaust sound like a ricer....but it's deep. Perfect buy


    Year: 2013 Submodel: V6

    Helpful (4)

  • 4/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    September 16, 2012

    2013 V6 Roush Axle Back

    I did alot of research online reading reviews and listening to sound clips. Like most reviews say, the sound clips really do this exhaust no justice. Yes its loud. Not annoying though. I would Definetly reccomend this product if you don't want to spend the extra $200-300 for the borla. It's got a great note and I love the gurgle and pop in between shifts. There is very little drone inside the cabin and it's only in 6th gear. Still able to talk on my Bluetooth no problem. Shipping was fast and easy. I had it installed at Miidas for $100. The guys at the shop loved it and said it sounded very similar to a 2012 Boss that was in there. I didn't notice a change in gas milage but this exhaust is much lighter than the stock. The chrome tips are just beautiful. If your considering buying Roush, just go for it. You will be happy


    Year: 2013 Submodel: V6 Temecula, CA, USA

    Helpful (4)

  • 5/5

    July 08, 2011

    Perfect Sound

    Bought this for my 2012 V6 mustang. Prior to the exhaust I purchased the C&L cold air intake. It sounded ok with the stock exhaust but still wasn't the sound I wanted. I looked around and decided to go with the roush exhaust. Glad I did. The sound is amazing. I had them installed at a local shop. As soon as the car started I knew I made the right choice. I put my car next to my dad's 03 Mach 1 (flowmaster 40 series catback system)to compare the sound and the roush kills it. Would highly recommend them to anyone looking for a mean sounding exhaust. (Not for the faint of heart).


    Year: 2012 Submodel: V6

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    August 15, 2013

    Sweet Sound!

    These look and sound great! Gives my car the rumble I was looking for. They're not too loud, but give a perfect sound. Installation was easy and took 30 minutes. Putting the car on ramps definitely makes installation easier. It helps to have a 2nd person to hold the old mufflers while removing them. Would definitely recommend the Roush Axleback!!


    Year: 2014 Submodel: V6 Kansas, USA

    Helpful (3)

  • 4/5

    Installation Time: Less than 1 Hour

    May 25, 2013

    Roush Axlebacks

    After watching many videos I knew these were the mufflers I wanted. To me they have an exotic sound that I really like, I wish there was a tad more bass in the lower rpm range but other systems sound too muffled and bland compared to these, I am more than satisfied with the sound. These mufflers SCREAM when you lay into the throttle.


    Year: 2013 Submodel: V6

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    October 29, 2011

    Great product

    Installed this system quickly and they are great sounding to me. However, if you or your neighbors have sensitive ears, they may be a touch too loud but I love 'em.


    Year: 2012 Submodel: V6 San Marcos, Ca.

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    June 12, 2016

    Make the right choice!

    Oh it's definitely loud, but it's a great loud. I heard that the Roush was raspy, I wouldn't call it raspy so much as unique. You aren't gonna sound ricey but you aren't gonna sound like a V8 either, it strikes a perfect balance between the two and sounds incredible. It seems to changes tones throughout the rpms and adds an interesting mix of personality for your Stang. You won't go wrong with the Roush, and it's easy to install!


    Year: 2013 Submodel: V6

    Helpful (2)

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