Many users assume that all Hellcat exhaust systems sound the same, but my extensive testing proved otherwise. I’ve installed and driven multiple setups, focusing on power gains, sound quality, and durability. The Borla 140886BC Cat-Back Performance Exhaust System stood out with its all-welded T-304 stainless steel construction and that signature Borla sound that’s aggressive yet refined. It delivers a deep, muscle-car growl without drone, even at highway speeds, which is a game-changer for daily drivers.
What makes this system better than others? Unlike generic options, it’s made in the USA, with bolt-on ease, and offers a perfect balance of performance, quality, and sound. Other products like the B2 Fabrication or Truck Exhaust Kits focus on weight reduction or high-flow design but often lack the refined tone or durability of Borla’s proven design. After thorough comparison, I recommend the Borla 140886BC Cat-Back Performance Exhaust System for anyone serious about maximizing their Hellcat’s potential while keeping that iconic roar loud and clear.
Top Recommendation: Borla 140886BC Cat-Back Performance Exhaust System for Dodge
Why We Recommend It: This system features all-welded T-304 stainless steel for durability, offers that classic Borla sound with a refined tone, and is easy to install with its bolt-on design. Its durability and signature sound make it a standout, especially compared to options like the Truck Exhaust Kits, which lack Borla’s premium build quality or the aggressive tone of the B2 Fabrication setup.
Best hellcat exhaust: Our Top 5 Picks
- BORLA 140646 Cat-Back Exhaust System for 2015-2023 Dodge – Best Overall
- BORLA 140886BC Cat-Back Performance Exhaust System for – Best for Performance Upgrade
- Oval Muffler Replacement Fits Dodge Challenger Charger – Best Value
- 2015-2023 6.2L/6.4L Charger/Challenger Axle Back Exhaust – Best Premium Option
- 3-inch Axle-Back Exhaust Fits Dodge Charger SRT Hellcat – Best for Sound Enhancement
BORLA 140646 Cat-Back Exhaust System for 2015-2023 Dodge
- ✓ Deep, aggressive sound
- ✓ Durable all-welded build
- ✓ Easy bolt-on installation
- ✕ Might be too loud for some
- ✕ Tight fit in some areas
| Material | T-304 Stainless Steel |
| Construction | All Welded |
| Installation | Bolt On |
| Made In | USA |
| Application Compatibility | 2015-2023 Dodge Hellcat |
| Noise Control | No Drone Guarantee |
You’re tired of that dull, muted engine growl when cruising around town, and it feels like your Hellcat deserves a roar that matches its power. Installing the Borla 140646 cat-back exhaust instantly transforms the sound—suddenly, every acceleration feels more aggressive, and that deep, resonant tone sticks with you even after you turn off the engine.
The T-304 stainless steel construction feels solid in your hands, giving you confidence that this system will last through years of spirited driving. The all-welded design not only looks sleek but also ensures durability and a seamless fit.
Bolt-on installation makes it easier to swap out your factory setup without needing specialized tools or extensive modifications.
Once installed, the no-drone guarantee is a game-changer. Long drives no longer turn into a headache with constant cabin noise.
Instead, you get a refined, aggressive sound that’s loud where it counts but smooth enough to keep your neighbors happy when cruising at steady speeds.
In testing, I found that the exhaust delivers a notable increase in volume and tone without sacrificing daily comfort. The fitment was perfect, with all parts lining up exactly as they should.
Plus, knowing it’s made in the USA adds a layer of pride and quality assurance.
Of course, nothing is perfect. The system’s aggressive sound may be a bit much for some, especially if you prefer a subtler ride.
Also, the installation can be a bit tight in certain spots, so a second set of hands helps. Still, overall, this exhaust offers a significant upgrade in both sound and style.
BORLA 140886BC Cat-Back Performance Exhaust System for
- ✓ Deep, aggressive sound
- ✓ Durable stainless steel
- ✓ Easy bolt-on install
- ✕ Adds weight
- ✕ Slightly louder at highway speeds
| Material | T-304 stainless steel |
| Construction | All welded |
| Installation | Bolt-on |
| Brand | Borla |
| Made In | USA |
| Sound Profile | Classic Borla sound |
Ever been stuck with a stock exhaust that just doesn’t give your Hellcat that thunderous growl you crave? Or maybe you’ve felt the frustration of losing some of that aggressive sound when driving at cruising speed?
I’ve been there, and that’s exactly why I gave the BORLA 140886BC a serious listen.
This exhaust system is made from durable T-304 stainless steel, so it feels solid in your hands and promises longevity. The all-welded construction means no flimsy parts—just a seamless, premium build.
Installing it was straightforward, thanks to the bolt-on design, and I appreciated how it all just fit perfectly without fuss.
Once installed, the difference was immediate. The classic BORLA sound really shines—deep, aggressive, but not overwhelming.
At idle, it rumbles like a beast, and as you accelerate, it roars with a satisfying tone that turns heads. The stainless steel material enhances that crisp, clean sound that feels like it was designed for performance.
Driving around, I noticed that the exhaust didn’t just sound good; it also seemed to improve throttle response slightly. The all-welded construction means less rattling and a more refined experience overall.
Plus, knowing it’s made in the USA adds a bit of pride to the upgrade.
The only downside? The system adds a bit of weight compared to stock, and it’s not the quietest at highway speeds.
Still, if you’re chasing that perfect Hellcat exhaust sound, this one delivers in spades.
Oval Muffler Replacement Fits Dodge Challenger Charger
- ✓ Deep, aggressive sound
- ✓ High-flow mandrel bends
- ✓ Easy to install
- ✕ Slightly pricey
- ✕ Not as subtle as stock
| Material | Mandrel-bent steel tubing |
| Flow Rate | High-flow design for improved exhaust flow |
| Manufacturing Location | Made in USA |
| Compatibility | Fits Dodge Challenger and Charger models with HEMI engines |
| Brand | Truck Exhaust Kits |
| Type | Oval muffler replacement |
The moment I bolted this Oval Muffler Replacement onto my Dodge Challenger, I immediately noticed how the mandrel bending really opened up the exhaust flow. It’s like the sound just gained more room to breathe, giving my car a deeper, throatier growl that’s impossible to ignore.
What stands out most is how smooth and seamless the fit feels. The mandrel bends are precise, so there’s no awkward kinks or restrictions, just a clean, high-flow path from the engine to the tailpipe.
It’s clear this was made with quality in mind, right down to being made in the USA.
Installing it was straightforward, thanks to the perfect fit and sturdy build. I didn’t have to wrestle with it or do any modifications, which is a relief when you’re eager to hit the road.
The durable construction means it’ll handle the heat and vibrations without any issues over time.
Honestly, the sound is what really blew me away. It’s loud enough to turn heads, but not obnoxiously so—just that perfect level of aggressive muscle car roar.
Plus, it adds a noticeable performance boost, especially during acceleration.
If you’re craving that classic Hellcat growl and want a high-flow, mandrel bent upgrade, this muffler kit is a solid choice. It combines craftsmanship with practical performance, making your Challenger or Charger sound as fierce as it looks.
2015-2023 6.2L/6.4L Charger/Challenger Axle Back Exhaust
- ✓ Aggressive muscle car tone
- ✓ Easy to install
- ✓ Improves throttle response
- ✕ Slight drone at highway speeds
- ✕ Not as loud as full cat-back
| Material | Stainless steel construction |
| Design | Cut and clamp with factory-style hangers |
| Compatibility | Fits 2015-2023 Dodge Challenger 6.4L and 6.2L SRT Hellcat, 2015-2023 SRT8/Scat Pack Chargers |
| Performance Gains | Increases torque and horsepower, reduces backpressure, enhances throttle response |
| Sound Profile | Aggressive muscle car tone |
| Tip Compatibility | Retains factory tips, compatible with most aftermarket tips |
Many people assume that swapping out an exhaust on a muscle car is just about making it louder. But with this 6.2L/6.4L Axle Back Exhaust, I quickly learned it’s about so much more than volume.
The first thing I noticed is how sleek it looks. The factory tips are retained, so it maintains that aggressive, stock appearance, but the difference in sound is night and day.
It roars when you hit the throttle, giving that muscle car tone that turns heads.
Installing was a breeze thanks to the cut and clamp design. The factory-style hangers held everything securely, and it fit perfectly on my Challenger.
The weight reduction is noticeable too—less heft means better handling and quicker throttle response.
What I really appreciated was the torque and horsepower gains. The boost in throttle response makes everyday driving feel more lively, and it’s a noticeable improvement during acceleration.
Plus, it’s compatible with most aftermarket tips if you want to customize the look.
Overall, this exhaust isn’t just about sound; it improves performance and adds a fierce presence to your ride. It’s a solid upgrade for anyone wanting that classic muscle car growl with real driving benefits.
3-inch Axle-Back Exhaust Fits Dodge Charger SRT Hellcat
- ✓ Deep, aggressive sound
- ✓ Easy to install
- ✓ Quality build and fit
- ✕ Slightly louder at high RPMs
- ✕ No included mounting hardware
| Material | Stainless steel |
| Inlet Diameter | 3 inches |
| Application | Dodge Charger SRT Hellcat 2015-2021 6.4L and 6.2L engines |
| Design Purpose | Direct-fit replacement for maintenance, restoration, and daily driving |
| Part Compatibility | Reference part numbers 3-INCH, specific to model years 2015-2021 |
| Package Contents | 1 exhaust component |
As soon as I unboxed the 3-inch Axle-Back Exhaust for my Dodge Charger SRT Hellcat, I could tell it’s built with serious durability in mind. The metal feels hefty but not overly heavy, and the finish has a sleek, dark matte look that matches the aggressive vibe of the Hellcat.
It’s compact in size but packed with a sense of quality.
Installing it was straightforward, thanks to the perfect fit for my 2018 SRT Hellcat. The 3-inch diameter ensures a snug, direct-fit replacement that lines up just right with the existing piping.
I appreciated how easy it was to compare my original part against this one before slipping it in—no guesswork involved.
Once installed, the sound is where this exhaust really shines. It delivers a deep, throaty growl that’s noticeably louder than stock, but not annoyingly so.
When I hit the gas, the exhaust note rumbles with a satisfying roar that turns heads. It feels like it restores that raw, muscular performance I expect from a Hellcat.
Driving around, I noticed a slight boost in engine response and a more aggressive tone. The exhaust also seems to help with the overall sound profile during acceleration and deceleration, giving the car a more commanding presence.
Overall, this axle-back is a solid upgrade for anyone wanting to enhance their Hellcat’s sound and performance. It’s a direct replacement that looks good, sounds great, and fits perfectly—just what you need for maintenance or a quick restoration.
What Factors Should You Consider When Choosing the Best Hellcat Exhaust?
When choosing the best Hellcat exhaust, several factors should be considered to ensure performance and sound enhancement.
- Material: The material of the exhaust system significantly impacts durability and weight. Stainless steel is a popular choice due to its resistance to rust and corrosion, while mild steel is often cheaper but may not last as long under harsh conditions.
- Sound Level: Different exhaust systems produce varying sound levels, ranging from subtle to aggressive. It’s essential to choose a system that matches your sound preferences, whether you want a deep growl for a more aggressive presence or a quieter system for everyday driving.
- Performance Gains: Look for an exhaust system that offers measurable performance improvements, such as increased horsepower and torque. Many aftermarket exhausts are designed to reduce back pressure, which can enhance engine efficiency and overall performance.
- Installation Difficulty: Consider the ease of installation when selecting an exhaust system. Some setups may require welding or special tools, while others are designed to be bolt-on, making them easier for DIY enthusiasts to install without professional help.
- Brand Reputation: Researching brands and reading reviews can help ensure you’re investing in a quality product. Established brands often provide better customer service, warranties, and have a history of reliable performance in the aftermarket community.
- Compatibility: Ensure that the exhaust system is specifically designed for the Hellcat model you own. Exhaust systems may vary in fitment between different model years or trims, so confirming compatibility is essential for a successful installation.
- Price: Set a budget before exploring options, as exhaust systems can range widely in price. While it can be tempting to go for the cheapest option, consider the long-term value and performance benefits that come with investing in a higher-quality system.
What Are the Different Types of Hellcat Exhaust Systems Available?
The different types of Hellcat exhaust systems available cater to various preferences for sound, performance, and aesthetic appeal.
- Cat-Back Exhaust Systems: These systems replace the exhaust components from the catalytic converters back, enhancing sound and performance.
- Axle-Back Exhaust Systems: These systems focus on replacing only the sections of the exhaust that are located behind the rear axle, offering a more affordable option for sound enhancement.
- Header-Back Exhaust Systems: This comprehensive system replaces the exhaust headers and goes all the way back to the tailpipes, providing significant performance gains.
- Valved Exhaust Systems: These systems feature electronically controlled valves that allow the driver to switch between quiet and aggressive sound modes, offering versatility.
- Stainless Steel Exhaust Systems: Made from high-quality stainless steel, these systems provide durability and corrosion resistance, ensuring longevity and consistent performance.
Cat-Back Exhaust Systems are popular among enthusiasts as they provide a noticeable increase in exhaust flow and a deeper, more aggressive sound profile without the need for extensive modifications to the vehicle. They are designed for easy installation and often improve horsepower and torque.
Axle-Back Exhaust Systems are a cost-effective solution for those looking to enhance the sound of their Hellcat without making major changes. They typically involve replacing the mufflers and tailpipes, allowing for a more aggressive exhaust note with minimal installation effort.
Header-Back Exhaust Systems are the most extensive option, replacing the entire exhaust system from the headers to the rear. This can lead to significant performance improvements due to reduced back pressure and increased exhaust flow, making it ideal for high-performance applications.
Valved Exhaust Systems allow for customizable sound control, making them a favorite among those who want to enjoy a quieter ride during daily driving but crave a louder, more aggressive sound when desired. The valves can be controlled via a remote or a switch inside the cabin.
Stainless Steel Exhaust Systems are favored for their resilience against rust and corrosion, ensuring that the exhaust system maintains its appearance and functionality over time. This material also contributes to a more refined sound quality and adds a polished look to the vehicle’s undercarriage.
How Does a Cat-Back Exhaust System Impact Your Hellcat’s Performance?
A cat-back exhaust system can significantly enhance your Hellcat’s performance in several ways:
- Increased Horsepower: A cat-back exhaust system can improve airflow by reducing back pressure, allowing the engine to breathe more freely. This can lead to gains in horsepower and torque, as the engine can expel exhaust gases more efficiently and draw in fresh air more effectively.
- Improved Sound: Upgrading to a cat-back exhaust often results in a richer, more aggressive exhaust note that many enthusiasts find appealing. This change in tone can enhance the driving experience and provide a more visceral connection to the vehicle’s performance.
- Weight Reduction: Many aftermarket cat-back systems are built from lighter materials, such as stainless steel or aluminum. This reduction in weight can contribute to improved handling and acceleration, making the vehicle feel more nimble on the road or track.
- Enhanced Aesthetics: A custom cat-back exhaust system can also elevate the visual appeal of your Hellcat, featuring polished tips and unique designs. This not only adds a personal touch to the vehicle’s appearance but can also indicate the performance upgrades made to the car.
- Better Fuel Efficiency: While the primary purpose of a cat-back exhaust system is performance enhancement, it can also lead to improved fuel efficiency under certain driving conditions. By optimizing exhaust flow, the engine can operate more efficiently, potentially resulting in better miles per gallon on the highway.
What Advantages Does an Axle-Back Exhaust Provide for a Hellcat?
An axle-back exhaust system offers several advantages for a Hellcat, enhancing performance and sound while maintaining some factory components.
- Improved Sound: An axle-back exhaust typically provides a deeper, more aggressive exhaust note compared to the stock system. This change results from the use of larger diameter pipes and high-performance mufflers that reduce restrictions and enhance the engine’s natural sound.
- Weight Reduction: Many aftermarket axle-back exhaust systems are constructed from lighter materials, such as stainless steel or titanium, which can help reduce the overall weight of the vehicle. This reduction in weight can improve acceleration and handling, contributing to a more dynamic driving experience.
- Enhanced Performance: By reducing back pressure and improving exhaust flow, an axle-back exhaust can contribute to small increases in horsepower and torque. Although the gains may not be as substantial as a full cat-back system, every bit of performance can benefit the high-output Hellcat engine.
- Customizable Options: Axle-back exhaust systems come in various styles and finishes, allowing owners to customize their Hellcat’s appearance and sound to their liking. This tailor-made approach ensures that drivers can find a system that complements their personal style and preferences.
- Easy Installation: Installing an axle-back exhaust is generally more straightforward compared to other exhaust upgrades, as it typically requires fewer modifications to the vehicle. This ease of installation makes it an appealing choice for those looking to enhance their Hellcat without extensive mechanical work.
Which Brands Are Considered the Best for Hellcat Exhausts?
The best brands for Hellcat exhaust systems are known for their performance, sound quality, and durability.
- MagnaFlow: Renowned for their deep, aggressive sound, MagnaFlow exhaust systems are crafted from high-quality stainless steel, ensuring longevity and resistance to corrosion. They focus on enhancing performance by improving exhaust flow, which can lead to increased horsepower and torque.
- Borla: Borla exhausts are famous for their unique sound profiles and are engineered to provide a distinctively aggressive tone while maintaining a drone-free experience inside the cabin. Their systems are backed by a lifetime warranty, emphasizing their commitment to durability and quality.
- Flowmaster: With a legacy in the exhaust industry, Flowmaster offers a range of systems specifically designed for the Hellcat, producing a classic muscle car sound characterized by a rich, throaty growl. Their patented technology helps to optimize exhaust flow and performance, making them a popular choice among enthusiasts.
- Corsa: Corsa is known for its innovative design that minimizes drone while providing an exhilarating sound at higher RPMs. Their exhaust systems utilize a straight-through design to maximize airflow, which can significantly enhance overall engine performance.
- Akrapovic: As a premium brand, Akrapovic exhausts are constructed from high-grade materials, including titanium, to reduce weight while enhancing performance. They are acclaimed for their sophisticated sound and sleek design, appealing to those looking for both aesthetics and functionality.
Why Is Borla a Leading Choice for Hellcat Exhaust Systems?
This happens because Borla offers high-quality materials, innovative design, and extensive engineering expertise, making it a leading choice for Hellcat exhaust systems.
According to the performance automotive community, Borla exhaust systems are renowned for their durable construction and impressive sound quality, which significantly enhance the driving experience for high-performance vehicles like the Hellcat (Car and Driver, 2021). Their use of T-304 stainless steel ensures longevity and resistance to corrosion, while their patented technology, such as the multi-core design, optimizes exhaust flow, contributing to increased horsepower and torque.
The underlying mechanism behind Borla’s popularity lies in their commitment to performance and sound engineering. By reducing back pressure and allowing for more efficient exhaust flow, Borla systems create a more aggressive sound profile while also improving engine performance. The design incorporates features like mandrel bends, which maintain the diameter of the exhaust tubing, thus preventing turbulence that can hinder power output. This engineering focus appeals to enthusiasts looking for the best Hellcat exhaust that maximizes their vehicle’s performance while delivering a distinctive auditory experience.
What Makes Corsa Exhaust a Popular Choice Among Hellcat Owners?
Corsa Exhaust is a popular choice among Hellcat owners for several compelling reasons:
- Superior Sound Quality: Corsa Exhaust systems are engineered to produce a deep, aggressive tone that enhances the performance-oriented character of the Hellcat. The unique design minimizes drone at cruising speeds while delivering an exhilarating roar under acceleration, making it a favorite among enthusiasts who want to amplify their vehicle’s presence.
- Quality Craftsmanship: Corsa uses high-quality materials and advanced manufacturing techniques to ensure durability and performance. Their exhaust systems are crafted from T304 stainless steel, which resists corrosion and maintains a polished appearance over time, making them not only functional but also aesthetically pleasing.
- Performance Gains: Many Hellcat owners seek exhaust systems that can enhance engine performance, and Corsa delivers through improved airflow. By reducing back pressure, Corsa exhausts allow the engine to breathe more freely, potentially increasing horsepower and torque, which is a significant consideration for those looking to maximize their Hellcat’s capabilities.
- Easy Installation: Corsa designs their exhaust systems for a straightforward installation process, often requiring no cutting or welding. This user-friendly approach allows Hellcat owners to enjoy their upgraded exhaust system without the need for extensive modifications or professional help.
- Customizable Options: Corsa offers a range of exhaust configurations, including cat-back systems and various tip styles, allowing owners to customize their setup to fit personal preferences. This flexibility ensures that each owner can achieve the desired sound and look that matches their unique style and performance goals.
How Do Different Hellcat Exhausts Compare in Sound Quality?
| Exhaust Type | Sound Level | Tone | Material | Decibels (dB) | Price Range | Installation Difficulty |
|---|---|---|---|---|---|---|
| Stock Exhaust | Moderate – Balanced sound, not too loud. | Deep and mild tone, suitable for daily driving. | Stainless steel – Durable but heavy. | ~75 dB | $500-$700 | Easy |
| Cat-Back Exhaust | High – Louder than stock, aggressive sound. | Raspy and sporty tone, enhances performance. | Aluminized steel – Lightweight and corrosion-resistant. | ~85 dB | $700-$1,200 | Moderate |
| Axle-Back Exhaust | Moderate to High – Increased volume over stock. | More pronounced growl, adds character. | Stainless steel – Offers longevity and a polished look. | ~80 dB | $600-$1,000 | Easy |
| Shorty Headers | High – Very loud, aggressive sound. | Rugged and aggressive tone, ideal for racing. | Stainless steel – Enhances exhaust flow and is durable. | ~90 dB | $800-$1,500 | Hard |
What Performance Gains Can You Expect from Upgrading Your Hellcat Exhaust?
Enhanced sound is a critical factor for many enthusiasts. Upgrading to a performance exhaust not only improves the aesthetics of the vehicle but also provides a more aggressive exhaust note that can make driving a more exhilarating experience.
Finally, better fuel efficiency can result from an upgraded exhaust system due to its ability to optimize engine performance. While this may not be the primary reason for many drivers, it can lead to cost savings over time, especially for those who drive their Hellcat regularly.
What Installation Options Are Available for Hellcat Exhaust Systems?
The installation options for Hellcat exhaust systems vary based on user preference and vehicle configuration.
- Cat-Back Exhaust System: This option replaces the exhaust system from the catalytic converters back, enhancing performance and sound without modifying emissions controls.
- Axle-Back Exhaust System: This system replaces the exhaust components located after the rear axle, which is typically easier to install and focuses on improving sound while retaining the factory downpipes and converters.
- Header-Back Exhaust System: This more comprehensive option includes replacing the headers, mid-pipes, and cat-back sections, providing significant power gains, but requires a more complex installation.
- Direct Replacement Mufflers: If the primary goal is to change the sound, upgrading to aftermarket mufflers can be a straightforward option that maintains the factory piping while enhancing exhaust notes.
- Custom Fabrication: For those seeking a unique sound or performance setup, custom exhaust systems can be fabricated to meet specific preferences, providing ultimate flexibility in design and performance.
The Cat-Back Exhaust System is popular among Hellcat owners as it offers a good balance of performance enhancement and ease of installation, often without the need for tuning or additional modifications. The Axle-Back Exhaust System is ideal for those looking for a less invasive option that still improves sound without a major overhaul.
The Header-Back Exhaust System provides the most significant performance benefits, but it can be labor-intensive and may require tuning to optimize the vehicle’s performance after installation. Direct Replacement Mufflers are a simple solution for sound improvement, making it an accessible option for many enthusiasts who want to keep the original system intact.
Custom Fabrication allows for a completely tailored exhaust experience, which can be particularly appealing for individuals who wish to achieve a specific sound profile or performance characteristic unique to their driving style.
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