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Roush Axle-Back Exhaust (11-14 V6)

100+ Reviews
Our Price


  • Item #69060
  • MPN #421145
  • Market Price $535.79
  • You Save 12% ($65.80)
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Customer Photos
  • Aggressive exhaust sound
  • Unique open-chambered muffler design
  • 409 stainless steel tubing
  • 304 stainless steel tips w/ chrome flashing
  • Fits 2011-2014 V6 Mustangs

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 factory V6 rear valance or the Roush Rear Valance.

Mustang Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (2) Muffler assemblies
  • (4) Clamps
Installation Info
Tech Specs
Axleback 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
  • V6 - 11, 12, 13, 14

Most Helpful Reviews View All

Overall Rating 4.6/5 Write a Review
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 (26) (0)

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.

Helpful (17) (0)

Customer Photos (67) View All

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Q & A (7 Questions, 11 Answers) Ask a Question

square tips will the square tip version of these fit within the normal rear valence without modification? im torn between these and magnaflow competitions

blake2012 Year: 2012 Model: V6

Question Resolved
Good Question (0) (0)
  • My friend recently purchased the Square tips for his 2013. They do fit within the stock axle back cut outs. But it does look ugly in my opinion. If you do buy the square tips, I would suggest getting the valence.

    Helpful (2) (0)

    Best Answer

    RunCop Year: 2013 Model: V6

    Top 1000 Contributor

Show 4 more answers

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

NPull Year: 2013 Model: V6

Question Resolved
Good Question (3) (0)
  • 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.

    Helpful (0) (1)

    LisaS Year: 1992 Model: GT

Show 2 more answers

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

JoeB Year: 2013 Model: V6

Question Resolved
Good Question (6) (0)
  • I did not get a tune and in calls and emails with Roush they said no tune required. I don't notice a difference between stock and Roush as far as performance.

    Helpful (1) (0)

    Best Answer

    Blustang08 Year: 2014 Model: V6

Show 2 more answers

Reviews (100+) Write a Review

  • 5 Stars .74 73%
  • 4 Stars .16 16%
  • 3 Stars .05 5%
  • 2 Stars .05 5%
  • 1 Stars .01 1%

out of 5 stars

100+ Customers Recommend this Product

Installation Time:Afternoon

Installation Cost:0-$100

  • Loudness / Volume: 4.728682 4.7/5
  • Exhaust Note: 4.348837 4.3/5
  • Fit & Finish: 4.806201 4.8/5
  • Bang For Your Buck: 4.488372 4.5/5
Filter By Sort By
  • 5/5

    2011 v6 ROush axle back

    March 26, 2011

    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 Model: V6 Driving Style: Daily Driver

    Helpful (26) (0)

  • 5/5

    worth the money

    January 09, 2011

    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 Model: V6 Driving Style: Daily Driver

    Helpful (17) (0)

  • 5/5

    Sound Amazing

    March 13, 2011

    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 Model: V6 Driving Style: Daily Driver

    Helpful (15) (0)

  • 2/5

    Highly Disappointed with These Axle Backs

    December 25, 2012

    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 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 Riverside, CA, USA

    Helpful (9) (0)

    • 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

  • 2/5

    Poor quality

    September 10, 2011

    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.

    Top 250 Contributor


    Year: 2011 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1

    Helpful (20) (7)

  • 4/5

    Great For The Price

    February 08, 2011

    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

    Driving Style: Daily Driver

    Helpful (9) (1)

  • 5/5

    Sounds great after break-in period

    May 11, 2013

    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 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 East Tennessee

    Helpful (5) (0)

  • 5/5

    Best sound on the V6

    July 15, 2011

    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 Model: V6 Driving Style: Daily Driver

    Helpful (8) (2)

  • 5/5

    Holy.... WOW! These are loud.

    February 05, 2014

    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.

    Top 500 Contributor


    Year: 2013 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 2 Los Angeles, CA

    Helpful (4) (0)

  • 5/5

    WOW...Worth Every Penny

    June 20, 2013

    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 Model: V6 Driving Style: Daily Driver 'Stangs I have owned: 1 Frisco, TX, USA

    Helpful (4) (0)

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