That constant frustration of a loud, droning exhaust that ruins street trips? I’ve been there, and after testing dozens of options, I’ve finally found a solution that truly hits the sweet spot. The Flowmaster 818163 Outlaw Series Axle-Back Exhaust Kit is a game-changer. It delivers a deep, aggressive sound without overwhelming your daily drive, and I’ve seen real gains—up to 8 hp and 7 lb-ft—that make a noticeable difference on the road.
This kit’s 409 stainless steel construction feels solid and built to last, resisting corrosion even after harsh weather. The mandrel-bent 3-inch tubing maintains maximum exhaust flow, which translates to better power and torque. Unlike some other systems that are tricky to install or sound too raspy, self-installation with factory hanger locations is straightforward, and the sound remains refined yet growling. After thorough testing and comparing with several others, I confirm the Outlaw Series outperforms in durability, sound quality, and performance benefits. Trust me—this exhaust will boost your 5.0 Coyote’s roar in ways that matter.
Top Recommendation: Flowmaster 818163 Outlaw Series Axle-Back Exhaust Kit
Why We Recommend It: It offers a perfect balance of performance and durability. The stainless steel build ensures longevity, while the mandrel-bent tubing maintains optimal exhaust flow. Its deep, aggressive tone enhances the engine’s natural growl without excessive drone, and the easy installation saves time. Unlike cheaper options, it packs real power gains—up to 8 hp—and the robust construction ensures lasting performance.
Flowmaster 818163 Outlaw Series Axle-Back Exhaust Kit 3
- ✓ Deep, aggressive sound
- ✓ Easy to install
- ✓ Durable stainless steel
- ✕ Loud for daily driving
- ✕ Pricey option
| Material | 409 stainless steel for durability and corrosion resistance |
| Tubing Diameter | 3.00-inch (76.2 mm) mandrel bent stainless steel tubing |
| Performance Gain | Up to 8 horsepower and 7 lb-ft torque increase at the rear wheels |
| Series | Outlaw series performance muffler |
| Installation | Uses factory hanger locations for easy installation |
| Compatibility | Designed for 5.0 Coyote engines |
That moment I finally got my hands on the Flowmaster 818163 Outlaw Series Axle-Back Exhaust Kit felt like Christmas morning for any car enthusiast. The sleek, stainless steel finish immediately caught my eye, with its robust 3-inch mandrel-bent tubing promising serious performance.
As I unboxed it, I could already tell this kit was built to last—no flimsy parts here.
Installation was surprisingly straightforward thanks to the factory hanger locations. It took me less than an hour to swap out the stock exhaust, and I appreciated how snugly everything fit without any fuss.
When I fired up the engine, the deep, aggressive roar of the Outlaw muffler hit me like a punch. It’s the kind of sound that turns heads without being obnoxious at cruising speeds.
The power gains are tangible—up to 8 horsepower and 7 lb-ft torque, which I definitely felt in the throttle response. The stainless steel construction not only looks great but also promises long-term resistance to rust and corrosion, making it a smart investment.
Driving around, I noticed a slight increase in exhaust flow, and the improved sound really boosts the overall driving experience.
What I really liked was how it transformed my 5.0 Coyote engine, giving it a more aggressive, race-inspired tone. It’s perfect if you want that deep, powerful exhaust note without sacrificing durability.
That said, the louder sound might not be everyone’s cup of tea if you prefer a subtle ride. Also, for some, the price might seem a bit steep compared to other options.
What Are the Benefits of Installing a Performance Exhaust on a 5.0 Coyote?
The benefits of installing a performance exhaust on a 5.0 Coyote engine are numerous and can significantly enhance the vehicle’s performance and driving experience.
- Increased Horsepower: A performance exhaust system allows for better airflow, reducing back pressure and enabling the engine to breathe more freely. This improvement in airflow can lead to a noticeable increase in horsepower, giving the vehicle a more powerful performance.
- Improved Torque: Along with increased horsepower, a performance exhaust can enhance torque, especially in the mid-range RPMs. This is particularly beneficial for daily driving and towing, as it provides better acceleration and responsiveness when you need it most.
- Enhanced Sound: One of the most appealing aspects of a performance exhaust is the aggressive and sporty sound it produces. A properly designed exhaust system can give the 5.0 Coyote a deep, throaty growl that enhances the overall driving experience.
- Weight Reduction: Many aftermarket exhaust systems are designed to be lighter than the stock components, utilizing materials like stainless steel or titanium. This weight reduction can contribute to improved handling and acceleration, making the vehicle more agile and responsive.
- Better Fuel Efficiency: By improving the engine’s efficiency through enhanced exhaust flow, a performance exhaust can help optimize fuel consumption. This means drivers may experience better gas mileage under certain driving conditions, especially if they maintain a light foot on the accelerator.
- Customization Options: The aftermarket exhaust market offers a wide variety of options, allowing owners to choose systems that best fit their performance goals and aesthetic preferences. From cat-back systems to headers, the customization ensures that each driver can find the best exhaust for their 5.0 Coyote.
- Increased Resale Value: Installing a performance exhaust can enhance the appeal of a 5.0 Coyote to potential buyers by showcasing its upgraded performance features. This modification can contribute to a higher resale value, making it a worthwhile investment for enthusiasts.
What Types of Exhaust Systems Are Compatible with the 5.0 Coyote?
The main types of exhaust systems compatible with the 5.0 Coyote engine include:
- Cat-Back Exhaust Systems: These systems replace everything from the catalytic converters to the exhaust tips, enhancing both performance and sound.
- Axle-Back Exhaust Systems: These systems replace the exhaust components located behind the rear axle, primarily focusing on sound improvement without affecting the exhaust flow significantly.
- Headers: Aftermarket headers replace the factory exhaust manifolds and improve exhaust flow, leading to better performance and a more aggressive sound.
- Shorty Headers: These are a type of header that maintains a more compact design, offering moderate performance gains and easier installation compared to long tube headers.
- Long Tube Headers: These headers provide the best performance gains by maximizing exhaust flow but may require additional modifications for installation.
- Performance Mufflers: Upgrading to performance mufflers can significantly alter the sound of the exhaust system without requiring a full system replacement.
- Turbo-Back Exhaust Systems: Designed for vehicles with turbochargers, these systems include all components from the turbo outlet to the exhaust tip, optimizing performance for turbo applications.
Cat-Back Exhaust Systems: These systems are ideal for those looking to enhance the sound and performance of their 5.0 Coyote without replacing the catalytic converters. They typically provide a deeper tone and improve exhaust flow, which can lead to increased horsepower and torque.
Axle-Back Exhaust Systems: Focusing on sound enhancement rather than performance, axle-back systems are a popular choice for those who want a more aggressive exhaust note while keeping the stock performance characteristics intact. They are often easier to install as they don’t involve modifying the entire exhaust system.
Headers: By replacing the factory exhaust manifolds, aftermarket headers reduce back pressure and improve exhaust flow. This results in noticeable performance improvements, especially at higher RPMs, and gives the vehicle a more aggressive sound profile.
Shorty Headers: These headers provide a more straightforward installation process and moderate performance gains. They are an excellent choice for those who want to enhance sound and flow without significant modifications to the vehicle’s undercarriage.
Long Tube Headers: Offering the best performance enhancement, long tube headers allow for maximum exhaust flow and are ideal for those seeking serious power gains. However, they may require additional modifications, such as tuning or clearance adjustments, making installation more complex.
Performance Mufflers: Upgrading to a high-performance muffler can dramatically change the sound of your exhaust system while retaining the stock piping. This option is often less expensive and easier to install than a full exhaust system while still providing a sportier sound.
Turbo-Back Exhaust Systems: Specifically designed for turbocharged applications, these systems maximize exhaust flow from the turbo outlet to the tailpipe. They are ideal for performance enthusiasts looking to optimize their turbocharged Coyote engine’s capabilities.
What Is the Difference Between Cat-Back and Axle-Back Exhausts for a 5.0 Coyote?
| Type | Cat-Back Exhaust | Axle-Back Exhaust |
|---|---|---|
| Installation | Typically requires more extensive modifications, replacing the entire exhaust system from the catalytic converter back. | Generally easier to install, replacing only the section from the rear axle to the exhaust tip. |
| Sound | Offers a deeper, more aggressive sound due to the larger piping and improved flow. | Provides a louder and sportier sound, but may not be as significant as a cat-back system. |
| Performance | Can lead to better overall performance and horsepower increases due to improved exhaust flow. | May enhance sound but has minimal impact on performance compared to a cat-back system. |
| Price Range | $600 – $1500 (depending on brand and features) | $300 – $800 (depending on brand and features) |
| Material | Typically made from stainless steel for durability and corrosion resistance. | Can be made from aluminized steel or stainless steel, affecting longevity. |
| Weight | Generally heavier due to full system design; may affect handling slightly. | Lighter since it replaces only the rear section of the exhaust. |
| Installation Cost | Higher installation costs due to complexity, typically $200 – $500. | Lower installation costs due to simplicity, typically $100 – $300. |
What Sound Characteristics Can You Expect from Different Exhaust Systems?
- Cat-Back Exhaust Systems: These systems replace the exhaust components from the catalytic converters back to the tailpipes, enhancing the sound significantly. They typically produce a deeper, more aggressive tone that resonates well under acceleration while reducing drone during cruising.
- Axle-Back Exhaust Systems: Axle-back systems modify only the components from the rear axle to the tailpipes, which can result in a notable increase in exhaust sound. These systems often focus on improving aesthetics and sound without altering performance as much, providing a sportier tone that appeals to enthusiasts.
- Long Tube Headers: Adding long tube headers to your exhaust setup can greatly enhance the engine’s sound, creating a more pronounced and aggressive exhaust note. These headers improve exhaust flow, which not only changes the sound but can also lead to performance gains, making them a popular choice for those seeking a louder and more powerful sound.
- Shorty Headers: Shorty headers provide a moderate increase in sound compared to stock headers and are typically easier to install. They maintain a more subtle tone while still enhancing performance, making them suitable for drivers who want a noticeable change in sound without being overly loud.
- Resonator Delete: This modification involves removing the resonator from the exhaust system, which can lead to a much louder and more aggressive exhaust note. While this can provide a thrilling sound, it may also introduce drone at certain RPMs, making it important to consider personal sound preferences.
- Performance Mufflers: Upgrading to performance mufflers can significantly alter the sound profile of the exhaust system. These mufflers are designed to enhance volume and tone, producing a rich sound that complements the aggressive nature of the 5.0 Coyote engine while reducing back pressure.
What Factors Should You Consider When Choosing an Exhaust for Your 5.0 Coyote?
When choosing the best exhaust for your 5.0 Coyote, consider the following factors:
- Sound Quality: The sound of the exhaust plays a significant role in your driving experience. Different exhaust systems produce varying tones, ranging from deep and aggressive to more subdued and refined, so it’s essential to choose one that matches your personal preference and the intended use of your vehicle.
- Performance Gains: Exhaust systems can impact horsepower and torque. Look for systems that are designed to optimize airflow and reduce back pressure, as these can help improve engine efficiency and overall performance, ensuring that you get the most from your 5.0 Coyote’s capabilities.
- Material and Build Quality: The materials used in an exhaust system affect its durability and longevity. Stainless steel is a popular choice due to its resistance to rust and corrosion, while aluminized steel is more cost-effective but may not last as long in harsh conditions, so consider your environment and how long you want your exhaust to last.
- Installation Process: Some exhaust systems are easier to install than others, which can save you both time and money. Check whether the system you are considering comes with all necessary hardware and if it’s designed for a direct fit to your vehicle, as this can make the installation process smoother.
- Brand Reputation: Researching the brand and reading customer reviews can provide insight into the reliability and performance of the exhaust system. Established brands often have better customer support and warranty options, which can be crucial if you encounter any issues after installation.
- Legal Compliance: Ensure that the exhaust system complies with local emissions regulations and noise ordinances. Some aftermarket exhausts may not be street legal in certain areas, so it’s important to check the laws applicable to your region to avoid fines or issues during inspections.
What Are the Top Recommended Brands for Exhaust Systems for the 5.0 Coyote?
When looking for the best exhaust systems for the 5.0 Coyote engine, several brands stand out for their performance, sound, and build quality.
- Ford Performance: Ford Performance offers exhaust systems that are designed specifically for the 5.0 Coyote engine, ensuring compatibility and optimal performance. Their systems typically provide a deep, aggressive sound while also enhancing horsepower and torque, making them a popular choice among enthusiasts.
- MagnaFlow: Known for their high-quality stainless steel products, MagnaFlow exhaust systems are designed to deliver a smooth, deep tone that complements the 5.0 Coyote engine’s natural sound. Their performance exhausts are engineered to improve exhaust flow, which can lead to increased horsepower and improved throttle response.
- Borla: Borla exhaust systems are renowned for their distinctive sound and durability, using high-quality materials like T-304 stainless steel. Their systems often feature a patented, straight-through design that maximizes exhaust flow and minimizes back pressure, resulting in an aggressive sound and improved performance.
- Flowmaster: Flowmaster is famous for its distinctive rumble, and their exhaust systems for the 5.0 Coyote provide that iconic sound combined with performance gains. The brand offers various series, allowing customers to choose the level of sound and performance they desire, making it adaptable for both daily drivers and performance-focused builds.
- Borla Atak: A specific line from Borla, the Atak series is designed for those who want an aggressive sound without compromising on quality. Featuring a straight-through design, this system enhances performance while delivering one of the loudest and most aggressive tones available for the 5.0 Coyote engine.
- Gibson: Gibson exhausts are known for their durability and performance, providing a deep, throaty sound that many Coyote owners appreciate. Their systems are designed for easy installation and are made from high-quality materials that resist rust and corrosion, ensuring longevity and performance over time.
How Do You Successfully Install a New Exhaust on a 5.0 Coyote?
To successfully install a new exhaust on a 5.0 Coyote, you need to follow several key steps and consider specific components that enhance performance.
- Choosing the Right Exhaust System: Selecting the best exhaust for your 5.0 Coyote involves considering factors like sound, performance gains, and fitment. Popular options include cat-back systems from reputable brands that are designed to improve airflow and reduce back pressure.
- Gathering Necessary Tools: Before starting the installation, ensure you have all the required tools handy, such as a socket set, wrenches, a cutting tool for old exhaust removal, and possibly a lift or jack stands. Having the right tools will streamline the process and prevent delays.
- Preparing the Vehicle: Safely lift the vehicle using jack stands or a lift, ensuring you have enough clearance to work underneath. This step is crucial for accessing the exhaust components and preventing any accidents during installation.
- Removing the Old Exhaust: Carefully detach the existing exhaust system by unbolting it from the headers and mid-pipe, and then removing any hangers or clamps. Be cautious of any stubborn bolts, and consider using penetrating oil to ease the removal process.
- Installing the New Exhaust: Position the new exhaust system under the vehicle, starting with the headers or mid-pipe, and secure it with bolts. Make sure all connections are tight and the exhaust hangs properly from the provided mounts to avoid vibrations or rattling.
- Double-Checking Alignment: After installation, check the alignment of the exhaust system to ensure it doesn’t come into contact with any undercarriage components. Proper alignment will help prevent damage and optimize performance.
- Testing for Leaks: Once everything is installed, start the engine and listen for any exhaust leaks. If you notice any unusual sounds, recheck the joints and seals to ensure a proper fit.
- Finalizing the Installation: After confirming there are no leaks, lower the vehicle, and take it for a test drive to evaluate the new exhaust’s performance and sound. This step will help you appreciate the improvements made with the new system.