2011-14 Mustang Bassani Street Race Mufflers GT/GT500 5.0L/5.4L by Bassani

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Bassani Mustang Street Race Mufflers (11-14) GT/GT500 5.0L/5.4L 5011SR5

Add aggressive sound & better performance to your 11-14 Mustang GT/GT500 with Bassani street mufflers!

Item #BE-5011SR5
MPN# 5011SR5

Everyday Low Price: $514.99

In Stock Ships tomorrow!

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  • Increased Performance
  • Stainless Steel Construction
  • Improved Sound


  • Aggressive sound
  • 4" Polished Slash Cut Tips
  • Stainless Steel Material

What's in the Box

  • (2) Bassani Race Axle Back Mufflers With Stainless Tips
  • (1) Install Hardware Kit With Clamps
  • Install Instructions
  • (1) Bassani Decal

Product Description

This 2011-14 Mustang 5.0L GT & 2011-12 5.4L GT500 5011SR-5 Bassani Stainless Steel Axle Back systems are designed to maximize performance, improve style and enhance sound characteristics. Precision-engineered Stainless Steel for durability and backed by a LIFETIME WARRANTY. Complete with superior quality mounting hardware and detailed instructions.

Bassani's Stainless Steel Mustang Race Axle Back features round 5" street race mufflers, 3" diameter Mandrel bent tubes and stainless steel 4" rolled slash cut polished tips.

Bassani Exhaust Warranty - Click Here

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    Customer Photos (1)

    Product Reviews (8)

    out of 5 stars
    4.5 stars
    8 reviews
    5 stars    6
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    3 stars    1
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    8 of 8 REVIEWS
    8 of 8 REVIEWS

    5 Stars   Bassani street mufflers, amazing !!
    By on 9/28/2014
    Let me start off by saying that like everyone else I spent a week or so in the evenings reviewing every axle back muffler out there and for me cost was not a factor. I look for form, fit, function and the I gota have it cool factor when I am searching for items for my projects.
    After reading all the review and listening to every video out there, I was being swayed to the Ford racing GT500 mufflers like a see alot of people are. And I've heard these in person on a new mustang like mine and they sounded good. but I still felt something was missing in the note.
    What I'm working with is a "new" 2014 mustang GT premium manual trans with 3.73 gearing that is bone stock at this point and below are the factors that lead me to choose the Bassani street mufflers.
    1, There are not a ton of reviews out there like other mufflers but I have owned two sets of ex for two Harley's I own and from that I knew Bassani makes a 1st class product when it comes to my criteria. The unknown was the sound.
    2, Because I will be having a supercharger installed in two weeks, I knew I wanted a full flow thru muffler style.

    The install:
    The stock mufflers were a pain in the a** to get off and part of this was due to having my car undercoated..I remember thinking I'm glad I don't have to put back on this can style mufflers !!!
    The Bassani street mufflers went on extremely easy. Note: Bassani feeds the two main hanger rods into the hangers from the other side. Very smart !!!
    After i got them in the hangers I just snugged the clamps. I held my fingers between the car opening and the end of the muffler to center it, tightened the clamps, repeated with the other side and crawled out to see what needed adjusted.
    To my surprise they were perfect ! stick-out, center and the look was amazing.

    Sound test:
    I refrained from making a judgment until i had put 100 miles on the car and this is my conclusion
    1. The note is incredible. The throttle position is everything ! it will roar when you want or sneak past the man when you need to.
    2. idling is the best I've ever heard on a stock car with just a muffler change.
    3. There is a little drone between 1900 and 2100 rpm if the throttle is held just right during light load on the motor...... I say SO WHAT ! if i got to hear that for 30 sec now and then to get the sound of these mufflers then so be it..
    4. form, fit, function and the I gota have it cool factor... A+ , I would not trade these for mufflers costing twice the cost.

    I will report a final conclusion after the supercharger is installed.

    Yes, I would recommend this item to a friend!

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    5 Stars   The finest axle back money can buy
    By on 11/6/2014
    Purchased this item along with a few others as the first mods (jolt carbon fiber intake, oil separator, Barton shifter and 2 post bracket, sve tune) to my otherwise stock 5.0. I must say after watching hundreds of videos and reading through an equal amount of reviews I couldn't be happier. None of them do this set up true justice. There is nothing equivalent to hearing it in person. Absolutely perfect, no rasp or drone. Just the right amount of loudness. Definitely can't wait to hear it with the pypes off road h and stainless bbk tuned length headers I'm getting next.

    Yes, I would recommend this item to a friend!

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    5 Stars   great sounding exhaust
    By on 4/14/2015
    It took me several weeks before deciding on the bassani exhaust. i was comparing Borla and Bassani. Price and sound did it for me. Removing the stock pieces was kind of a pain but well worth the trouble. The fit and finish is great and the sound is just amazing. It has a very low deep, sound with no rasp and no pop, which is what I was looking for and still very aggressive when you floor it. There is a slight drone (what exhaust doesnt) around 1800-2000 rpm but nothing too absurd.

    Best sounding exhaust for the new 5.0s

    Yes, I would recommend this item to a friend!

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    5 Stars   perfect sound
    By on 4/14/2014
    Delivered very quickly, was tricky getting old mufflers off. Install much smoother, found it much easier to remove rear hanger assemblies and preinstall on mufflers, then bolt back up to underside of car. Very happy with sound, no drone, not too loud, great tone. Tips are top notch.

    Yes, I would recommend this item to a friend!

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    4 Stars   Great sound
    By on 2/25/2015
    Was a little disappointed in the mounting of these mufflers not sure if the mount rods got bent in shipping or what but I had to bend them so they would fit in the bumper openings and not be hitting it. The sound is great specially when you hit the go fast pedal with cat deletes.

    Yes, I would recommend this item to a friend!

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    3 Stars   terrible fit
    By on 11/19/2015
    the fit was terrible, hangers to short,sxhaust leak at joints. took about two hours and a small mod to the hangers on car to get it right. sounds good, only slight droan. we have installed hundreds of exhaust. these are not the worst or the best fit

    Yes, I would recommend this item to a friend!

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    5 Stars   satisfied
    By on 3/17/2015
    good fit sounds great

    Yes, I would recommend this item to a friend!

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    5 Stars   Awesome Mufflers... one downside
    By on 9/23/2014
    Image uploaded by Carlos B. So I've had them for a couple of weeks now and they sound amazing ! Absolutely no drone! They look great and sound even better! BUT... The tips don't line up exactly right with the mufflers. At least they didn't with my car, they kinda touch the curve around the tip but if that doesn't really bother you then go for it!! I have a 14 5 oh btw so they might fit perfectly on an 11-12.

    Yes, I would recommend this item to a friend!

    Was this review helpful to you?

    Vehicle Applications

    Ford Mustang - 2011 (11) - 2012 (12) - 2013 (13) - 2014 (14)

    About This Brand

    Bassani - The Sound of Power
    Bassani has been recognized as a leader in specialized exhaust components for more than 30 years. Their performance history dates back to 1969 when they began designing exhaust systems for motorcycles. Bassani designs, tests, and manufactures the ultimate in high performance exhaust systems. Shop LatemodelRestoration.com to get your Mustang outfitted with Bassani performance headers, x-pipes, mufflers, and complete stainless steel exhaust systems!

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