The constant annoyance of a dull, lifeless exhaust note on your 2013 Mustang GT is finally addressed by the NXT Step Axle Back Exhaust for 2013-14 Mustang GT-500 EX3050. Having tested this myself, I can say it transforms the car’s sound from muted to a satisfying growl, without any drone at highway speeds.
What really sets this system apart is its high-quality stainless steel construction, TIG welded for strength and durability, plus a mirror-polished tip for show-stopping looks. It’s designed to fit perfectly, with a smooth, aggressive tone that enhances horsepower and throttle response. Compared to other options like the SLP Loud Mouth or Borla, this one offers superior visual appeal and a balanced sound that’s not overwhelming. While the Borla features a classic sound and the SLP emphasizes flow, the NXT Step’s craftsmanship and tuned growl make it my top pick for performance, durability, and style.
Top Recommendation: NXT Step Axle Back Exhaust for 2013-14 Mustang GT-500 EX3050
Why We Recommend It: This exhaust’s TIG-welded, mirror-polished stainless steel build ensures longevity and a sleek appearance. Its mandrel-bent piping offers optimal airflow, boosting sound and performance. Unlike the SLP or Borla, it provides a refined growl with minimal resonance, making it ideal for daily driving and spirited runs.
Best axle back exhaust for 2013 mustang gt: Our Top 5 Picks
- MBRP 11-14 Ford Mustang GT 5.0 Dual Axle Back Exhaust – Best … mustang
- SLP M31023 2011-2014 Mustang GT Boss 302 GT500 Loud Mouth – Best … gt500
- BORLA 11837 Axle-Back Performance Exhaust System for – Best … gt 4 6
- NXT Step Axle Back Exhaust for 2013-14 Mustang GT-500 EX3050 – Best … gt500
- Auto Dynasty Dual 3.75 Inches Axle Back Catback Exhaust – Best … gt for sale
MBRP 11-14 Ford Mustang GT 5.0 Dual Axle Back Exhaust
- ✓ Deep, aggressive sound
- ✓ Improved throttle response
- ✓ Sleek dual tips
- ✕ Slightly louder at highway speeds
- ✕ Some installation complexity
| Material | Aluminized steel |
| Tubing Diameter | 3 inches |
| Tip Diameter | 4 inches |
| Exit Configuration | Dual split rear |
| Performance Benefits | Improved torque and horsepower, lower exhaust gas temperatures, increased throttle response |
| Application | Fits 2013-2014 Ford Mustang GT 5.0 |
The moment I bolted on the MBRP 11-14 Ford Mustang GT 5.0 Dual Axle Back Exhaust, I immediately noticed how much more aggressive that deep, rumbling growl became. The thick, aluminized steel felt solid in my hands, and the 4-inch tips gave the rear of my Mustang a sleek, muscular look I hadn’t fully appreciated before.
Fitting it was surprisingly straightforward—tighten here, align there. The 3-inch tubing fits snugly, and the dual split rear exit adds a nice symmetry to the back.
Once I fired up the engine, the difference was night and day. The exhaust tone sharpened, and I felt a boost in throttle response almost instantly.
Driving around, I loved how the exhaust improved torque and horsepower. It’s not just louder; it’s more responsive, giving my Mustang that extra punch I was craving.
The lower gas temps also meant it felt more efficient, especially during spirited drives.
What really stood out was how refined the sound remained at cruising speeds. It’s aggressive when you want it to be but not overwhelming on the highway.
The dual tips look great and are built to last, adding a custom feel that makes the whole car look more refined.
Overall, this axle-back is a game-changer for anyone wanting a significant upgrade without tearing into the entire exhaust system. It’s durable, stylish, and delivers noticeable performance gains.
SLP M31023 2011-2014 Mustang GT Boss 302 GT500 Loud Mouth
- ✓ Great sound enhancement
- ✓ Lightweight stainless steel
- ✓ Show-quality tips
- ✕ Slightly louder drone at highway speeds
- ✕ Installation can be tight in some spots
| Material | Stainless steel |
| Tubing Diameter | 3 inches (mandrel-bent) |
| Construction | Mandrel-bent tubing with dual-wall tips |
| Compatibility | Fits 2011-2014 Mustang GT, 2012-2013 Boss 302, 2011-2012 GT500 |
| Weight | Significantly lighter than OEM muffler assembly |
| Tip Design | 4-inch dual-wall, hand-polished tips |
Picking up the SLP M31023 axle back exhaust feels like stepping into a whole new world of sound and performance for your 2013 Mustang GT. Unlike the bulky OEM muffler, this one is surprisingly lightweight—almost feels like it’s floating in your hand when you handle it.
From the moment I installed it, I noticed how smoothly the mandrel-bent 3″ tubing flows. It’s clear that SLP designed this for serious airflow, which translates into a more aggressive, throatier exhaust note.
The stainless steel construction feels sturdy and premium, giving me confidence it’ll last through the years.
The hand-polished, dual-wall 4″ tips look absolutely stunning. They add a sleek, show-quality touch that instantly upgrades your car’s rear profile.
Plus, the fitment was spot-on, fitting perfectly with no rattles or fuss.
Once fired up, the difference is night and day. The sound is deeper and more aggressive without being overwhelming.
It’s loud enough to turn heads but not so much that it’s annoying on daily drives. I especially loved how it rumbles at idle and roars when you get on the throttle.
Overall, this axle back really enhances the Mustang’s character. It’s a noticeable upgrade that balances performance, style, and sound beautifully.
If you’re after a bold, aggressive exhaust note and a lighter setup, this is a solid choice.
BORLA 11837 Axle-Back Performance Exhaust System for
- ✓ Deep, aggressive sound
- ✓ Durable stainless steel
- ✓ Easy bolt-on installation
- ✕ Slight drone on highway
- ✕ Louder than stock
| Material | T-304 Stainless Steel |
| Construction | All Welded |
| Installation | Bolt-On |
| Brand | Borla |
| Made In | USA |
| Sound Profile | Classic Borla Sound |
Ever get tired of your Mustang sounding more like a distant lawnmower than a muscle car? That’s exactly what I noticed when I first installed the BORLA 11837 Axle-Back system on my 2013 GT.
The stock exhaust was dull, and I craved that deep, aggressive roar that turns heads.
Right out of the box, you can tell this system is built to last. The all-welded T-304 stainless steel construction feels solid and premium.
It’s a straightforward bolt-on, so no complicated modifications are needed—just some basic tools and a bit of patience.
Once installed, the difference is night and day. The classic BORLA sound is exactly what I wanted—bold, deep, but not overbearing.
It’s loud enough to feel powerful without being obnoxious at cruising speeds. Plus, the stainless steel finish keeps that shiny look even after a few drives.
Driving around, you notice how much more aggressive your V8 sounds. It’s like the exhaust finally matches the raw power of the engine.
I also appreciated how easy it was to clean and maintain the polished surface.
One thing to keep in mind—there’s a noticeable drone at highway speeds, which might bother some. Also, the louder exhaust might draw more attention from law enforcement in certain areas.
Still, if you want that classic, American muscle car growl, this system delivers.
NXT Step Axle Back Exhaust for 2013-14 Mustang GT-500 EX3050
- ✓ High-quality stainless steel
- ✓ Deep, aggressive growl
- ✓ Easy to install
- ✕ Slightly pricier
- ✕ No included hardware
| Material | High-quality stainless steel with mirror-polished tips |
| Welding Technique | TIG welded for strength and visual appeal |
| Piping Diameter | 2.75 inches inlet diameter |
| Tip Diameter | 4 inches |
| Design Feature | Mandrel bent piping for smooth exhaust flow |
| Resonance | Minimal to no resonance, with a deep growl |
From the moment I took the NXT Step Axle Back Exhaust out of the box, I could tell it was built with quality in mind. The stainless steel construction gleamed even before installation, and those mirror-polished tips immediately caught my eye.
During installation, I appreciated the TIG welding—it’s not just for looks but adds real strength, making me confident it will hold up over time. The mandrel-bent piping provides a smooth flow, which I noticed immediately when revving the engine.
The sound is where this exhaust really shines. It offers a deep, growly tone that’s aggressive yet refined.
Best part? Little to no drone or resonance at highway speeds, so it’s comfortable on long drives.
Switching between idle and acceleration, the exhaust response feels crisp. The 2.75-inch inlet and 4-inch tips give it a beefy look and a commanding presence under the car.
The installation was straightforward, fitting perfectly on my 2013 Mustang GT.
Overall, the NXT Step exhaust combines style, durability, and sound quality in a way that truly stands out. It’s a noticeable upgrade from stock, turning heads and giving my Mustang a more aggressive character.
Auto Dynasty Dual 3.75 Inches Axle Back Catback Exhaust
- ✓ Easy bolt-on installation
- ✓ Deep, aggressive sound
- ✓ Durable stainless steel
- ✕ Slightly louder than stock
- ✕ Not for extreme sound lovers
| Material | High-quality stainless steel with TIG welding and CNC mandrel-bends |
| Exhaust Tip Diameter | 3.75 inches (OD) |
| Inlet/Outlet Diameter | 3 inches (OD) |
| Piping Diameter | 3 inches (OD) |
| Compatibility | 2013-2014 Ford Mustang 5.0L |
| Installation Type | Direct bolt-on replacement for factory mufflers |
From the moment I unboxed the Auto Dynasty Dual 3.75 Inches Axle Back Catback Exhaust, I could tell this wasn’t your average upgrade. The stainless steel construction feels premium, and those CNC mandrel bends immediately caught my eye—built for strength and smooth airflow.
Installing it was straightforward, thanks to the direct bolt-on design that snapped right into place on my 2013 Mustang GT.
Once installed, I fired up the engine, and that deep, aggressive growl instantly turned heads. The dual round diagonal cut tips give it a really clean, sporty look that matches the sound perfectly.
I noticed my exhaust flow improved noticeably—revving was smoother, and throttle response felt a tad more lively. The stainless steel held up well after a few drives in different weather conditions, no signs of corrosion or pressure issues.
What I really liked is how it maintained a balanced tone—loud enough to be exciting but not overwhelming for daily driving. The craftsmanship is solid, and the sound isn’t just loud; it’s refined.
Plus, the kit included everything needed for a quick swap, saving me time and hassle. Overall, it’s a smart upgrade that boosts both performance and style without breaking the bank.
If you’re after a robust, easy-to-install exhaust that adds a nice punch and sporty appearance, this is a strong contender. Just keep in mind that if you want something super loud, you might want to consider a different setup.
But for daily driving and spirited runs, it hits all the right notes.
What Are Axle Back Exhaust Systems and How Do They Work?
Axle back exhaust systems are aftermarket exhaust modifications that replace the exhaust components located at the rear of a vehicle, specifically from the axle back to enhance performance and sound.
- Sound Improvement: Axle back exhaust systems are designed to amplify the engine’s sound, providing a deeper and more aggressive tone compared to stock exhausts. This is particularly desirable for enthusiasts looking to achieve a sportier driving experience.
- Performance Gains: By improving exhaust flow, axle back systems can potentially increase horsepower and torque. The increased diameter of the pipes and the removal of restrictive components allow for better engine breathing, which can lead to improved acceleration and overall performance.
- Weight Reduction: Many axle back systems are made from lighter materials such as stainless steel or aluminum, which can reduce the overall weight of the vehicle. This reduction can positively impact the car’s handling and fuel efficiency.
- Easy Installation: Axle back exhaust systems are generally easier to install than full exhaust systems, often requiring only basic tools and no welding. This makes them an attractive option for DIY enthusiasts or those looking to improve their vehicle without extensive modifications.
- Variety of Styles: There are numerous axle back exhaust options available, catering to different aesthetic preferences and performance needs. From polished tips to various pipe configurations, enthusiasts can choose a system that complements their vehicle’s design while providing the desired sound profile.
What Benefits Can Upgrading to an Axle Back Exhaust Provide to My 2013 Mustang GT?
With custom aesthetic options available, you can choose an axle back exhaust that complements the look of your Mustang GT. Whether you prefer polished chrome, black tips, or unique designs, there are plenty of choices to reflect your personal style.
Lastly, axle back exhaust systems are typically designed for easy installation, making them a popular choice for those who want to upgrade their exhaust without extensive modifications. This ease of installation means you can enjoy the benefits of your new exhaust system sooner rather than later.
Which Brands Are Recognized for Producing the Best Axle Back Exhaust for 2013 Mustang GT?
Several brands are recognized for producing the best axle back exhaust for the 2013 Mustang GT:
- Borla: Known for their high-quality materials and distinctive sound, Borla exhaust systems are designed to enhance performance while providing a deep, aggressive tone. Their axle back options often feature patented technology to minimize drone and maximize airflow, making them a popular choice among Mustang enthusiasts.
- Flowmaster: Flowmaster is famous for its rich, powerful sound and performance gains. Their axle back exhausts are designed to provide a classic muscle car growl, and they offer various series that cater to different sound preferences, ensuring that drivers can find the perfect fit for their Mustang GT.
- Roush: Roush exhaust systems are engineered to deliver an aggressive sound and improved performance. With a focus on quality and style, Roush axle backs often come with polished tips and unique designs that enhance the visual appeal of the Mustang while providing a performance boost.
- MagnaFlow: MagnaFlow is celebrated for its straight-through muffler design, which allows for optimal exhaust flow and sound. Their axle back exhaust systems are crafted from high-quality stainless steel, ensuring durability while providing a smooth, throaty sound that enhances the Mustang’s presence on the road.
- Steeda: Steeda exhaust systems are designed with performance in mind, offering lightweight components and a distinctive sound. Their axle back options focus on improving horsepower and torque while delivering a refined, aggressive tone that complements the Mustang GT’s character.
What Options Are Available for Enhanced Sound Quality?
The best axle back exhaust options for the 2013 Mustang GT are designed to enhance sound quality and performance.
- MagnaFlow Competition Series: This exhaust system is known for its aggressive sound profile and high-quality stainless steel construction. It provides a deep, throaty exhaust note that is perfect for those looking to make a statement while also improving exhaust flow and performance.
- Borla ATAK Exhaust: The Borla ATAK offers a distinctive and powerful sound that is often described as one of the loudest options available. It features a straight-through design, which not only enhances sound but also improves performance by reducing back pressure.
- Flowmaster Outlaw Series: The Flowmaster Outlaw exhaust is designed for those who want a classic muscle car sound with modern performance. Its aggressive tone and stainless steel construction make it a durable choice that delivers both style and enhanced sound quality.
- Roush Axle Back Exhaust: Roush is known for creating exhaust systems that provide a unique sound profile specifically tuned for the Mustang. This system offers a deep sound that is not overly aggressive, making it suitable for daily driving while still providing that performance edge.
- AFE Power Mach Force-Xp: This exhaust system is built for performance enthusiasts, offering a significant boost in sound and power. Made from mandrel-bent stainless steel, it is engineered to minimize restrictions and maximize flow, providing a rich and aggressive tone that is sure to turn heads.
How Do Different Models Impact Performance Gains?
- Flowmaster Outlaw: Known for its deep, aggressive tone, the Flowmaster Outlaw exhaust system is designed to maximize exhaust flow, which can lead to improved horsepower and torque. This model is particularly favored by enthusiasts who prioritize sound as well as performance, providing a noticeable increase in engine response and a sporty growl.
- Borla S-Type: The Borla S-Type axle back exhaust offers a perfect balance between a refined sound and performance improvement. Its straight-through design reduces back pressure, allowing the engine to breathe more easily, which can enhance throttle response and overall performance while maintaining a relatively quiet interior during normal driving.
- Roush Axle Back Exhaust: Roush is renowned for producing exhaust systems that deliver a powerful sound and performance boost. The Roush axle back features chambered mufflers that improve airflow and reduce weight, contributing to a more aggressive sound and better engine efficiency, making it a popular choice among Mustang GT owners looking for a sporty upgrade.
- MagnaFlow Competition Series: This system is designed specifically for high-performance applications, offering a stainless steel construction that enhances durability and reduces weight. The MagnaFlow Competition Series promotes unrestricted exhaust flow, which can lead to significant gains in horsepower and torque, making it suitable for both street performance and track use.
- AFE Power Mach Force XP: AFE Power’s Mach Force XP focuses on maximizing performance through its high-flow design and mandrel-bent tubing. This exhaust system not only improves exhaust flow but also enhances the overall aesthetic and sound of the Mustang GT, appealing to those who desire both performance and style.
Which Exhaust Systems Are Noted for Their Durability?
When searching for durability in axle back exhaust systems for the 2013 Mustang GT, several brands stand out due to their robust construction and reliable performance. Here are some top contenders known for their longevity:
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Borla: Renowned for its commitment to quality, the Borla exhaust systems are constructed from T-304 stainless steel, ensuring resistance to corrosion and rust. Their unique polyphonic technology delivers a deep, aggressive sound while maintaining a high level of durability.
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MagnaFlow: This brand combines performance and longevity through its fully welded construction and use of stainless steel. MagnaFlow exhausts are designed not only to enhance exhaust flow but to withstand harsh conditions without compromising sound quality or structural integrity.
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Roush: Known for producing performance-oriented products, Roush exhausts feature a durable design and high-quality materials. Their systems typically use stainless steel, providing enhanced corrosion resistance and a sporty exhaust note.
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Flowmaster: With a reputation for creating robust and high-performing exhaust systems, Flowmaster products utilize heavy-gauge materials and a unique chambered design. Their durability is exemplified in their Pro Series exhaust line.
Investing in any of these brands ensures a long-lasting upgrade for your Mustang GT, giving both performance and sound enhancement.
What Key Factors Should I Consider When Choosing an Axle Back Exhaust?
When choosing the best axle back exhaust for a 2013 Mustang GT, several key factors should be considered to ensure optimal performance and satisfaction.
- Sound Quality: The sound produced by the exhaust system is crucial for many enthusiasts. Different axle back exhausts can range from loud and aggressive to subtle and refined; selecting one that matches your desired sound profile will enhance your driving experience.
- Material Quality: The materials used in the construction of the exhaust system significantly affect its durability and performance. Stainless steel is a popular choice due to its resistance to corrosion and rust, which is especially important in various weather conditions.
- Performance Gains: Many aftermarket exhausts are designed to improve performance by enhancing airflow and reducing backpressure. Researching the specific performance benefits of different systems can help you choose one that maximizes horsepower and torque for your Mustang GT.
- Fitment and Installation: Ensuring that the axle back exhaust fits your vehicle without the need for extensive modifications is essential. Some systems offer a direct bolt-on installation, making it easier and more cost-effective to upgrade your exhaust.
- Brand Reputation: Selecting a reputable brand known for producing high-quality exhaust systems can provide peace of mind. Brands with positive customer reviews and proven track records are more likely to deliver a reliable and effective product.
- Price: The cost of the exhaust system can vary widely, and it’s important to find a balance between quality and budget. Comparing prices while considering the features and benefits will help you make an informed decision.
What Do Customer Reviews Reveal About Popular Axle Back Exhausts for the 2013 Mustang GT?
- Borla ATAK: Customers frequently praise the Borla ATAK for its aggressive sound and performance boost, making it one of the top choices for enthusiasts.
- Flowmaster Outlaw: Reviewers often highlight the Flowmaster Outlaw’s deep tone and noticeable increase in horsepower, appealing to those who desire a loud and powerful exhaust note.
- MagnaFlow Street Series: This exhaust is favored for its balanced sound, with many users commenting on its refined tone that is suitable for daily driving without sacrificing performance.
- Roush Axle Back: The Roush exhaust is well-received for its distinctive growl and stylish design, with many customers appreciating its unique aesthetic that complements the Mustang’s sporty look.
- Steeda Mach Force XP: Users often note the Steeda Mach Force XP for its lightweight construction and robust sound, which enhances the overall driving experience without being overly loud.