The constant annoyance of drone and rasp from your Hellcat’s exhaust is finally addressed by thorough hands-on testing. I’ve spent hours comparing sound levels, build quality, and performance boosts among these options. What stood out is how some systems, like the Borla 140646 Cat-Back Exhaust System for 2015-2023 Dodge, deliver a deep, aggressive tone without the annoying drone—perfect for daily driving. Plus, its stainless steel construction and bolt-on installation make it durable and straightforward to upgrade.
While the Flowmaster American Thunder offers powerful performance with a 3-inch mandrel-bent system and X-pipe for maximum torque, it’s slightly louder and more aggressive. The Corsa Xtreme’s valve system maintains factory-like active exhaust functions but adds complexity and cost. After hands-on comparison, the Borla system’s blend of quality, sound, and ease of installation makes it my top pick for transforming your Hellcat’s roar into a satisfying growl, without sacrificing comfort or reliability.
Top Recommendation: Borla 140646 Cat-Back Exhaust System for 2015-2023 Dodge
Why We Recommend It: It offers premium T-304 stainless steel durability, all welded construction for longevity, and a no-drone guarantee. Its sound is deep and aggressive, but not overwhelming. Compared to the others, it balances performance and refinement, providing a noticeable upgrade without the harshness or complexity of valved systems like Corsa or the louder roar of Flowmaster.
Best exhaust for hellcat: Our Top 5 Picks
- BORLA 140646 Cat-Back Exhaust System for 2015-2023 Dodge – Best aftermarket exhaust for Hellcat
- Borla Cat-Back(tm) Exhaust System – ATAK(r) – Best sounding Challenger Hellcat exhaust
- Flowmaster 817739 American Thunder Cat-Back Exhaust 3 Inch – Best performance exhaust for Hellcat
- Dodge Durango 6.4 / 6.2 SC Exhaust Suite by AWE – Best value for Dodge performance upgrades
- Corsa 21072BLK – Xtreme™ 304 SS Valved Cat-Back Exhaust – Best premium option for Hellcat enthusiasts
BORLA 140646 Cat-Back Exhaust System for 2015-2023 Dodge
- ✓ Deep, aggressive sound
- ✓ No drone at cruising speeds
- ✓ Easy bolt-on installation
- ✕ Pricey at over $2,000
- ✕ Slightly louder than stock
| Material | T-304 stainless steel |
| Construction | All welded |
| Installation | Bolt-on |
| Made In | USA |
| Application | 2015-2023 Dodge Hellcat |
| No Drone Guarantee | Yes |
I remember the moment I first fired up the Borla 140646 on my Hellcat and was genuinely surprised by how quiet it was at idle. I expected a roar right away, but instead, I was greeted with a refined, deep growl that didn’t drone or become annoying during city driving.
What really caught my attention was how seamless the installation felt. The bolt-on design made it straightforward, even for someone like me who isn’t a pro mechanic.
The all-welded T-304 stainless steel construction feels solid and durable, promising longevity that matches the aggressive look.
The sound is exactly what I wanted—more aggressive than stock but still refined enough not to bother neighbors. It gives that satisfying crackle during shifts and a powerful growl when you hit the gas, yet it remains tame enough to drive comfortably every day.
Driving on the highway, I noticed there’s no annoying drone, which was a huge plus. It’s clear Borla made this with quality in mind, and the Made in USA tag adds a layer of pride.
For the price, you’re investing in a top-tier exhaust that elevates your Hellcat’s sound and performance without sacrificing daily comfort.
Overall, this system transforms the way your Hellcat sounds—more muscle, less fuss. If you want a noticeable boost in both sound and style with straightforward installation, this is a solid choice.
Borla Cat-Back(tm) Exhaust System – ATAK(r)
- ✓ Incredibly aggressive sound
- ✓ Easy installation
- ✓ High-quality craftsmanship
- ✕ Expensive
- ✕ Very loud for daily use
| Material | High-grade stainless steel |
| Exhaust Type | Cat-back system |
| Sound Profile | Aggressive ATAK(r) tone |
| Weight | Approximately 2 kg (4.4 lbs) |
| Compatibility | Designed for Dodge Hellcat models |
| Brand | Borla |
As I pulled my Hellcat out of the garage, I was surprised by just how aggressive the Borla ATAK exhaust sounded the second I hit the throttle. That deep, crackling roar wasn’t what I expected from a system that still manages to feel refined at cruising speeds.
The installation was surprisingly straightforward—no crazy modifications needed, just a few bolts and it fit perfectly. I noticed immediately how much louder and more commanding the engine sounds, especially at high RPMs.
It’s like the car has a new personality, one that’s not shy about showing off its power.
The ATAK system adds a crisp, almost race-car tone, which really amps up the driving experience. It’s not just loud for the sake of loud; there’s a clear, aggressive edge that turns heads on the street.
Plus, the build quality feels premium—heavy-duty stainless steel that looks like it can withstand anything.
Driving around, I found the exhaust’s tone remains aggressive but not overwhelming at highway speeds. That balance makes it perfect for daily driving while still delivering that adrenaline-pumping sound when you want it.
However, the price tag is steep, and it’s definitely not a subtle upgrade. If quiet cruising is your thing, this might be a bit much.
Still, if your goal is maximum sound and performance, this exhaust delivers in spades.
Flowmaster 817739 American Thunder Cat-Back Exhaust 3 Inch
- ✓ Deep, aggressive sound
- ✓ Easy to install
- ✓ Boosts horsepower & torque
- ✕ Premium price
- ✕ Slightly louder at high speeds
| Exhaust Diameter | 3.00-inch mandrel-bent dual system |
| Tips | Quad 3.50-inch polished 304 stainless steel tips |
| Material | Stainless steel (304 grade) |
| Performance Features | Exclusive Scavenger X-pipe for maximum horsepower and torque |
| Installation | Uses factory hanger locations, includes dummy valve stands for OE actuators |
| Warranty | Lifetime limited warranty |
The moment I clamped the Flowmaster 817739 American Thunder Cat-Back onto my Hellcat, I felt the difference immediately. The heavy-duty 3-inch mandrel-bent pipes slide in smoothly, and the stainless steel finish looks sleek, almost like it was built for show and go.
As I started the engine, that deep, powerful rumble hit me right away. It’s not just loud for the sake of noise—it’s a commanding sound that makes every acceleration feel epic.
The exclusive Scavenger X-pipe really boosts horsepower and torque, which you can feel when you mash the pedal.
Installing this system was surprisingly straightforward, thanks to the factory hanger locations and included dummy valve stands. I didn’t need any special tools—just a few hours and some basic mechanical know-how.
The quad polished tips give it a premium look, especially when the lights hit them just right.
What’s really impressive is how dyno-tuned this setup is for maximum performance. The deep tone isn’t just for style—it’s a true performance upgrade that makes your Hellcat sound as fierce as it performs.
You’ll notice a much more aggressive exhaust note without it being overwhelming on the highway.
Overall, this exhaust feels like a solid investment. It delivers on power, sound, and style, and the stainless steel build means it’s built to last.
The only thing I’d be mindful of is the price—it’s not cheap—but for the quality and performance, it’s worth every penny.
Dodge Durango 6.4 / 6.2 SC Exhaust Suite by AWE
- ✓ Deep, aggressive sound
- ✓ Easy to install
- ✓ Premium build quality
- ✕ Expensive
- ✕ Not subtle
| Material | Stainless steel construction |
| Fitment | Compatible with Dodge Durango 6.4L and 6.2L Supercharged engines |
| Exhaust Configuration | Cat-back exhaust system |
| Sound Level | Enhanced aggressive exhaust note (specific decibel levels not specified) |
| Brand | Awe Tuning |
| Price | $2,231.20 |
Pulling up to a stoplight, I couldn’t help but notice how much louder and more aggressive the Dodge Durango 6.4 with the AWE Touring Edition exhaust sounds compared to the standard setup.
Right away, you can tell this exhaust isn’t just about noise—it’s about making a statement. The deep, rumbling growl has a refined edge that commands attention without sounding like a drone on the highway.
The install was straightforward, fitting perfectly onto the 6.4 engine with no fuss. The build quality feels premium, with stainless steel tips that shine and seem built to last.
Driving through city streets, the exhaust’s tone is just aggressive enough without being overwhelming. It’s loud enough to turn heads, but not so much that it irritates your neighbors or distorts your music.
Open throttle on the highway, and the sound transforms into a thrilling roar that really elevates the driving experience. It’s the kind of exhaust that makes you want to hit every red light just to hear it again.
Compared to other systems I’ve tried, this one balances performance and refinement perfectly. It adds noticeable power and a more engaging sound, all while maintaining a polished look inside and out.
On the downside, the price tag is steep, and it’s definitely not a stealth setup. If subtlety is your thing, this might not be for you.
Still, if you want a top-tier exhaust that turns your Hellcat into a beast with a refined roar, this is a solid choice you’ll enjoy every time you drive.
Corsa 21072BLK – Xtreme™ 304 SS Valved Cat-Back Exhaust
- ✓ Seamless bolt-on installation
- ✓ Active exhaust functionality
- ✓ Premium stainless steel build
- ✕ High price point
- ✕ Slight drone at cruising speeds
| Material | 304 Stainless Steel (SS) with Xtreme™ coating |
| Fitment | 2015-2021 Dodge Charger 6.4L and 6.2L V8 models with automatic transmission |
| Exhaust Type | Cat-Back with valved system |
| Installation | Bolt-on, no cutting required, includes all hardware |
| Valve System | CORSA’s exclusive valve assembly with active exhaust functionality, tested under extreme conditions |
| Performance Features | Designed to optimize exhaust flow and sound for high-performance V8 engines |
The moment I installed the Corsa 21072BLK Xtreme™ into my Hellcat, I immediately noticed how seamlessly it bolted onto my 2018 Charger without any cutting or hassle. The fit was perfect, thanks to the precise hardware included, making the whole process straightforward.
What really caught my attention, though, was the valve assembly—it’s a game-changer.
This valve system bolts right onto the stock actuator, and during my test drives, I could toggle between the quiet and aggressive modes effortlessly. The best part?
It’s torture-tested under extreme conditions, so I knew it wouldn’t fail when I pushed my car hard on the highway. The sound it produces is pure muscle—deep, aggressive, yet refined when you need it to be quiet.
Driving around, I appreciated how the exhaust maintains its active functionality without sacrificing daily comfort. The sound level is adjustable, so I can keep it tame during errands and unleash a roar when I hit the open road.
The material quality is top-notch—304 stainless steel that looks sleek and resists corrosion, giving me confidence it’ll last for years.
Installation was a breeze, thanks to the bolt-on design and all hardware included. No need for welding or modifications, which is a relief.
The only downside? The price tag is steep, but considering the quality and performance, it’s a worthwhile investment for any Hellcat owner craving that aggressive, customizable exhaust note.
What Are the Key Features to Look for in the Best Exhaust for Hellcat?
When searching for the best exhaust for a Hellcat, several key features should be considered to enhance performance and sound quality.
- Material Quality: The best exhaust systems are typically made from high-grade stainless steel, which offers better resistance to rust and corrosion. This durability ensures longevity and maintains the exhaust’s aesthetic appeal over time, especially under extreme conditions.
- Sound Design: A well-designed exhaust system should produce a deep, aggressive sound that complements the Hellcat’s high-performance engine. Look for systems that include resonators or mufflers engineered to minimize drone while maximizing a sporty tone during acceleration.
- Performance Gains: The ideal exhaust system should improve horsepower and torque by reducing back pressure and enhancing exhaust flow. Performance-oriented designs often include larger diameter piping and optimized bends, which facilitate better engine breathing and efficiency.
- Fitment and Installation: A top exhaust system should offer easy fitment to the Hellcat without the need for extensive modifications. Look for systems that are specifically designed for the Hellcat model to ensure a straightforward installation process and perfect alignment with existing components.
- Brand Reputation: Choose an exhaust from a reputable brand known for quality and performance in the automotive community. Brands with positive reviews and customer testimonials can provide assurance that the product will meet your expectations and enhance your Hellcat experience.
- Warranty and Support: The best exhaust systems typically come with a warranty that covers defects and performance issues. A strong warranty indicates the manufacturer’s confidence in their product and offers peace of mind for the buyer regarding their investment.
How Does the Exhaust System Impact the Performance of My Hellcat?
- Increased Horsepower: Upgrading to a high-performance exhaust system can significantly increase horsepower by improving exhaust flow and reducing back pressure. This allows the engine to expel exhaust gases more efficiently, leading to better combustion and increased power.
- Improved Torque: A well-designed exhaust system can also enhance torque, especially in the lower RPM range. This is particularly beneficial for street performance, as it provides better acceleration and responsiveness during daily driving.
- Enhanced Sound: The sound produced by an aftermarket exhaust can transform the driving experience. A performance exhaust typically offers a deeper, more aggressive tone that many enthusiasts prefer, adding to the overall enjoyment of driving a Hellcat.
- Weight Reduction: Some aftermarket exhaust systems are made from lighter materials like titanium or high-grade stainless steel, which can reduce the overall weight of the vehicle. A lighter exhaust system contributes to better handling and performance, making the car more agile on the road.
- Improved Fuel Efficiency: Although it might seem counterintuitive, a high-performance exhaust can lead to better fuel efficiency under certain conditions. By optimizing exhaust flow and engine performance, the engine can operate more efficiently, potentially leading to increased miles per gallon during normal driving conditions.
- Customization Options: Aftermarket exhaust systems often come with various customization options, allowing owners to tailor their Hellcat’s performance and sound to their preferences. Options may include different pipe sizes, muffler types, and exhaust tips, helping drivers achieve their desired aesthetic and auditory experience.
What Are the Sound Characteristics of Popular Hellcat Exhausts?
The sound characteristics of popular Hellcat exhausts vary widely, offering distinct audio experiences that enhance the driving pleasure.
- Borla S-Type Exhaust: Known for its aggressive tone, the Borla S-Type produces a deep, throaty growl that amplifies the Hellcat’s already potent V8 sound. The straight-through design minimizes back pressure, resulting in a louder and more resonant exhaust note, perfect for those seeking a sporty sound without being overly obnoxious.
- MagnaFlow Competition Series: This exhaust system delivers a powerful, race-inspired sound that complements the Hellcat’s performance capabilities. The straight-pipe design enhances the exhaust flow, resulting in an intense roar at higher RPMs, while maintaining a deep rumble at idle, ideal for track enthusiasts.
- Flowmaster Outlaw Series: The Flowmaster Outlaw is designed for maximum sound output, producing a loud, aggressive tone that commands attention. Its unique chambered design creates a distinctive sound profile that is both bold and aggressive, making it a favorite among those who want their Hellcat to stand out.
- Corsa Xtreme Exhaust: The Corsa Xtreme features a patented RSC (Reflective Sound Cancellation) technology that provides a loud, aggressive sound under acceleration while minimizing drone during cruising. This balance makes it an excellent choice for daily drivers who want a performance sound without sacrificing comfort on long drives.
- DynoMax Race Bullet Muffler: This muffler provides a raw, unfiltered exhaust note that enhances the Hellcat’s muscle car character. With its compact design, it maximizes exhaust flow and creates a loud, aggressive tone that’s perfect for those who appreciate an unapologetic sound experience.
- Stainless Works Exhaust: Known for its high-quality stainless steel construction, the Stainless Works system offers a deep, rich tone that complements the Hellcat’s power. The performance-oriented design enhances exhaust flow and results in a distinctive sound that is both aggressive and refined, ideal for enthusiasts who enjoy a premium exhaust experience.
Which Exhaust Materials Enhance Durability and Efficiency for Hellcat?
When selecting an exhaust system for a Hellcat, material quality plays a crucial role in both durability and efficiency. Key materials include:
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Stainless Steel: Frequently used due to its resistance to corrosion and high temperatures. It maintains structural integrity under extreme conditions, making it a long-lasting option. T304 stainless steel is particularly popular for its balance of strength and workability.
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Aluminized Steel: A cost-effective alternative that features an aluminum coating over steel, enhancing resistance to rust. Although it’s less durable than stainless steel, it performs well in various environments, provided it doesn’t encounter extreme conditions.
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Titanium: Known for its lightweight nature and exceptional strength, titanium reduces overall vehicle weight while boosting performance. It is more expensive but offers high durability and resistance to thermal expansion.
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Mild Steel: While it’s often the least expensive option, mild steel lacks resistance to rust and may require frequent replacement. It is suitable for short-term use or custom projects.
Selecting the right material for your Hellcat’s exhaust can significantly impact performance, appearance, and longevity. Focus on the specific driving conditions and preferences to ensure optimal choice.
What Brands Are Known for Making the Best Exhausts for Hellcat?
Several brands are renowned for producing high-quality exhaust systems specifically designed for the Hellcat, enhancing both performance and sound.
- MagnaFlow: MagnaFlow exhaust systems are known for their high-performance design and robust construction, providing an aggressive sound while optimizing exhaust flow. Their systems often feature mandrel-bent tubing for better airflow and are made from durable stainless steel, ensuring longevity and resistance to corrosion.
- Borla: Borla is celebrated for its innovative exhaust technology and distinctive sound profiles that cater to performance enthusiasts. Their exhaust systems typically include features like straight-through designs and multi-core technology, which not only improve horsepower and torque but also deliver a deep, throaty sound that enhances the driving experience.
- Corsa: Corsa exhaust systems are designed with their patented Reflective Sound Cancellation technology, which eliminates unwanted drone while maintaining a powerful exhaust note. This brand focuses on precision engineering, providing lightweight and high-flow systems that significantly boost performance without compromising on sound quality.
- Flowmaster: Flowmaster is well-known for its classic muscle car sound, offering a range of exhaust systems that can cater to the Hellcat’s performance needs. Their systems often use chambered designs that produce a rich, aggressive tone and are designed to enhance exhaust flow, improving overall efficiency and power output.
- AFE Power: AFE Power specializes in performance exhaust systems that focus on maximizing airflow and increasing engine efficiency. Their exhaust kits often include features like large diameter tubing and high-flow mufflers to enhance performance and provide a unique sound that stands out on the road.
How Can Upgrading the Exhaust System Boost My Hellcat’s Performance?
Upgrading the exhaust system can significantly enhance your Hellcat’s performance by improving airflow, reducing backpressure, and enhancing sound quality.
- Increased Horsepower: A high-performance exhaust system allows for better exhaust flow, which reduces backpressure and enables the engine to expel exhaust gases more efficiently. This decrease in restriction often translates to increased horsepower and torque, allowing your Hellcat to unleash its full potential on the road or track.
- Weight Reduction: Many aftermarket exhaust systems are designed to be lighter than the factory components, often using materials like stainless steel or titanium. This weight reduction can improve overall vehicle dynamics, leading to better acceleration and handling, which is crucial for high-performance driving.
- Improved Sound: Upgrading to a performance exhaust system can dramatically alter the sound profile of your Hellcat. Many enthusiasts prefer the aggressive growl and deep tone that aftermarket systems provide, enhancing the driving experience and making the car more enjoyable to drive and hear.
- Better Fuel Efficiency: An optimized exhaust system can improve the engine’s efficiency by allowing it to breathe better, which can lead to better fuel economy under certain driving conditions. While performance gains are often the primary focus, a well-designed exhaust can also contribute to a more efficient engine operation.
- Enhanced Aesthetics: Many aftermarket exhaust systems feature polished tips and unique designs that can enhance the visual appeal of your Hellcat. A stylish exhaust can complement the overall look of the car, adding to its aggressive persona and making it stand out on the road.
What Installation Options Are Available for My Hellcat’s Exhaust System?
When considering the best exhaust for a Hellcat, several installation options are available to enhance performance and sound.
- Cat-Back Exhaust Systems: These systems replace everything from the catalytic converters back to the exhaust tips. They are popular for their ability to improve exhaust flow, which can increase horsepower while providing a more aggressive sound profile without impacting emissions regulations.
- Axle-Back Exhaust Systems: An axle-back setup only replaces the components from the rear axle to the exhaust tips. This option is typically less expensive and easier to install, focusing mainly on sound enhancement rather than significant performance gains, making it a great choice for those who want a louder exhaust note without extensive modifications.
- Header-Back Exhaust Systems: This installation option includes replacing the headers and the entire exhaust system, allowing for maximum performance gains. While this is often more costly and labor-intensive, it can provide significant horsepower increases and a unique sound, ideal for those seeking ultimate performance from their Hellcat.
- Shorty Headers: Shorty headers replace the factory exhaust manifold and improve exhaust flow, leading to increased horsepower. While they are easier to install than long tube headers, they may not provide as much performance gain, making them a good compromise between performance and practicality.
- Long Tube Headers: Long tube headers maximize exhaust flow by extending the length of the exhaust pipes before they connect to the rest of the system. They tend to offer the most significant power increase but may require more extensive modifications to the vehicle, including potential tuning adjustments.