Choosing the best car exhaust system involves balancing sound, performance, and price. The Flowmaster 717887 FlowFX stands out as the best overall for its versatile sound and durability. For those seeking aggressive tone, the Flowmaster Outlaw delivers a bold roar, while the Borla 140638 offers a premium upgrade with impressive craftsmanship. Buyers often face tradeoffs between cost, installation complexity, and sound profile. Continue reading for a detailed breakdown of the top options and what makes each one unique.
Key Takeaways
- The top exhaust systems balance sound quality with ease of installation, with some models prioritizing aggressive tones over subtlety.
- Material quality, especially stainless steel and ceramic coatings, significantly affects durability and maintenance needs.
- Performance gains are noticeable with most systems, but the biggest improvements come from well-designed cat-back setups.
- Price ranges vary widely, with premium options offering better craftsmanship and sound, but affordable models still deliver solid value.
- Compatibility and fitment are critical; selecting a system designed for your vehicle model ensures easier installation and optimal performance.
| Flowmaster 717887 FlowFX Cat-back Exhaust System |  | Best Overall for Deep, Powerful Sound | Tip Size: 4.50 inches | Material: Stainless Steel | Coating: Black Ceramic Coated | VIEW LATEST PRICE | See Our Full Breakdown |
| Magnaflow 15815 Stainless Steel 2.5″ Dual Cat-Back Exhaust System |  | Best Value for Engine Performance and Durability | Material: Stainless Steel | Tube Diameter: 2.5 inches | Warranty: Lifetime | VIEW LATEST PRICE | See Our Full Breakdown |
| Flowmaster FlowFX Cat-Back Exhaust System with Dual Out and Black Tips |  | Best for Sporty Appearance and Improved Flow | Tubing Diameter: 2.5 inches | Material: 409 Stainless Steel | Tips: Dual 4-inch black tips | VIEW LATEST PRICE | See Our Full Breakdown |
| Borla 140638 Cat-Back Exhaust System |  | Best Made in the USA for Quality Craftsmanship | Product type: Auto Part | Package dimensions: 33.02 cm L x 53.34 cm W x 167.64 cm H | Country of origin: United States | VIEW LATEST PRICE | See Our Full Breakdown |
| Borla 11-25 Dodge Durango 3.6L/5.7L V6/V8 2+4WD S-Type Catback Exhaust – 4.5in Ceramic Black Tips |  | Best for Dodge Durango Owners Seeking Performance and Style | Fitment: Dodge Durango 2011-2025 | Engine Compatibility: 3.6L V6, 5.7L V8 | Type: Catback Exhaust | VIEW LATEST PRICE | See Our Full Breakdown |
| Flowmaster American Thunder Cat-back Exhaust System |  | Best Overall for Max Performance | Material: 16 gauge stainless steel | Type: Cat-back exhaust system | Sound: Moderate to aggressive | VIEW LATEST PRICE | See Our Full Breakdown |
| MBRP S5148P Exhaust System |  | Best Value for Reliable Performance | Diameter: 3 inches | Type: Cat-back exhaust system | VIEW LATEST PRICE | See Our Full Breakdown | |
| Flowmaster Outlaw Cat-back Exhaust System |  | Best for Deep, Aggressive Sound Customization | Exit Options: Dual rear or dual side | Tip Size: 4.00 inches | Material: All stainless steel | VIEW LATEST PRICE | See Our Full Breakdown |
| Flowmaster 17395 American Thunder Cat-Back Exhaust Kit for Chevy Silverado & GMC Sierra 1500 (1999-2007) |  | Best for Chevy Silverado & GMC Sierra 1500 (1999-2007) | Material: 16-gauge aluminized steel | Tubing Diameter: 3 inches | Tips: Polished stainless steel, dual | VIEW LATEST PRICE | See Our Full Breakdown |
| MagnaFlow 15588 Large Stainless Steel Performance Exhaust System Kit |  | Best for Power and Durability | Material: Stainless steel | Type: Performance exhaust system | Mufflers: Straight-through | VIEW LATEST PRICE | See Our Full Breakdown |
| Borla 140397 Stainless Steel Cat-Back Exhaust System for Jetta 2006-2010 2.5L |  | Best for Durability and Performance Enhancement | Material: Stainless Steel | Application: Jetta 2006-2010 2.5L | Technology: Multi-core | VIEW LATEST PRICE | See Our Full Breakdown |
| car exhaust system | Material |
|---|---|
| Flowmaster 717887 FlowFX Cat-b | Stainless Steel |
| Magnaflow 15815 Stainless Stee | Stainless Steel |
| Flowmaster FlowFX Cat-Back Exh | 409 Stainless Steel |
| Borla 140638 Cat-Back Exhaust | — |
| Borla 11-25 Dodge Durango 3.6L | — |
| Flowmaster American Thunder Ca | 16 gauge stainless steel |
| MBRP S5148P Exhaust System | — |
| Flowmaster Outlaw Cat-back Exh | All stainless steel |
| Flowmaster 17395 American Thun | 16-gauge aluminized steel |
| MagnaFlow 15588 Large Stainles | Stainless steel |
| Borla 140397 Stainless Steel C | Stainless Steel |
More Details on Our Top Picks
Flowmaster 717887 FlowFX Cat-back Exhaust System
This Flowmaster FlowFX system stands out for delivering a commanding, deep exhaust note that truly enhances your vehicle’s aggressive character. Compared with the Magnaflow 15815, it emphasizes sound and style over subtlety, making it ideal for enthusiasts seeking a louder, more assertive tone. Its stainless steel build ensures durability, and the large 4.50-inch black ceramic-coated tip adds a bold visual punch. However, the loudness might be overwhelming for daily drivers or those in noise-sensitive areas, and professional installation could be necessary for a perfect fit. This pick makes the most sense for drivers who prioritize a powerful sound and a durable, easy-to-install upgrade.
Pros:- Deep, powerful exhaust sound enhances vehicle presence
- Full stainless steel construction offers long-lasting durability
- Easy and quick installation with mandrel-bent tubing
- Lifetime limited warranty provides peace of mind
Cons:- Potentially too loud for daily commuting or noise-sensitive areas
- May require professional installation for best fit and performance
Best for: Performance-focused car owners who want a deep, aggressive exhaust tone and durable construction
Not ideal for: Casual drivers or those living in noise-restricted neighborhoods who prefer a quieter ride
- Tip Size:4.50 inches
- Material:Stainless Steel
- Coating:Black Ceramic Coated
- Type:Cat-back Exhaust System
- Design:Mandrel-bent Tubing
Our verdict“This system is perfect for enthusiasts wanting a bold, deep sound and durable build, but less suitable for daily drivers concerned about noise levels.”
Magnaflow 15815 Stainless Steel 2.5″ Dual Cat-Back Exhaust System
Compared with the Flowmaster, the Magnaflow 15815 focuses on reducing engine heat and back pressure, which can translate into improved performance and efficiency. Its heavy-duty stainless steel tubes, measuring 2.5 inches in diameter, are designed to optimize exhaust flow, making it a solid choice for those seeking a performance upgrade that lasts. The lifetime warranty adds confidence in its durability, but the system’s specific fit for certain vehicle models means compatibility checks are essential. Installation may also require some mechanical skill, making it less suitable for beginners. This choice makes the most sense for drivers who want a performance boost and long-term reliability without an emphasis on sound or appearance.
Pros:- Reduces engine heat and back pressure for better performance
- Heavy-duty stainless steel ensures longevity
- Backed by a lifetime warranty for peace of mind
- Designed for long-term durability
Cons:- Compatibility is vehicle-specific, requiring careful checking
- Installation may be complex for inexperienced users
Best for: Performance-oriented drivers seeking durability and efficiency gains in their exhaust system
Not ideal for: Casual drivers or those wanting a louder, sportier sound without technical installation skills
- Material:Stainless Steel
- Tube Diameter:2.5 inches
- Warranty:Lifetime
Our verdict“Ideal for those prioritizing performance, durability, and efficiency, but less suited for buyers seeking a loud or stylized exhaust note.”
Flowmaster FlowFX Cat-Back Exhaust System with Dual Out and Black Tips
This Flowmaster FlowFX system is crafted from durable 409 stainless steel and features dual outlets with stylish black tips, making it an attractive upgrade for sporty-looking vehicles. Compared with the single-tip models like the original Flowmaster, the dual outlets add a visual edge and potentially better exhaust flow. It enhances overall vehicle performance, though installation may demand some mechanical skill, especially aligning dual outlets correctly. The increased noise level can appeal to those who want a more aggressive sound, but it might be excessive for everyday comfort. This setup makes the most sense for drivers seeking both performance gains and a more sporty appearance.
Pros:- Improves exhaust flow and vehicle performance
- Stylish dual 4-inch black tips for a sporty look
- Durable 409 stainless steel construction
- Enhanced aesthetic appeal with dual outlets
Cons:- Installation may be complex for amateurs
- May produce increased noise levels not suitable for all users
Best for: Drivers wanting a performance boost coupled with sporty aesthetics and dual exhaust outlets
Not ideal for: Casual or daily drivers who prefer a quieter, more subdued exhaust sound
- Tubing Diameter:2.5 inches
- Material:409 Stainless Steel
- Tips:Dual 4-inch black tips
- Includes:Muffler, dual outlets
Our verdict“Best suited for enthusiasts looking for a performance upgrade with a stylish, sporty flair, but may be too loud for some daily drivers.”
Borla 140638 Cat-Back Exhaust System
This Borla system is distinguished by its American manufacturing quality and focus on enhancing exhaust performance. Compared with the Flowmaster options, Borla emphasizes craftsmanship and precision, though specific performance figures are less detailed. Its weight of 64 pounds suggests a solid, high-quality build, but this might complicate installation for some users. While the detailed packaging and US origin appeal to buyers seeking trusted American-made parts, the lack of explicit performance specs could be a drawback for performance purists. This system makes the most sense for buyers who value American craftsmanship and reliable quality over aggressive sound or extreme performance metrics.
Pros:- Made in the United States with high-quality craftsmanship
- Designed to improve vehicle exhaust performance
- Heavyweight suggests sturdy construction
- Reliable brand reputation
Cons:- Lack of detailed performance or compatibility info
- Heavy weight may require specialized installation
Best for: Customers who prioritize American-made quality and craftsmanship in their exhaust system
Not ideal for: Performance enthusiasts seeking maximum horsepower gains with detailed specs or lightweight setups
- Product type:Auto Part
- Package dimensions:33.02 cm L x 53.34 cm W x 167.64 cm H
- Country of origin:United States
- Package weight:64.0 lbs
Our verdict“Best for buyers valuing US-made quality and craftsmanship over raw performance metrics or lightweight design.”
Borla 11-25 Dodge Durango 3.6L/5.7L V6/V8 2+4WD S-Type Catback Exhaust – 4.5in Ceramic Black Tips
This Borla S-Type system is tailored specifically for Dodge Durango models from 2011 to 2025, offering a significant upgrade in sound and appearance. Its 4.5-inch ceramic black tips add a sleek, aggressive look, comparable to other high-end systems like Flowmaster’s dual outlet models, but with a focus on fitment and style. While installation is designed to be straightforward, some mechanical skill might be needed. The louder exhaust note will appeal to those seeking a sporty sound, though it could be too intense for daily comfort. This system makes the most sense for Durango owners who want a custom-fit upgrade that enhances both performance and visual appeal.
Pros:- Designed specifically for Dodge Durango models (2011-2025)
- Enhances exhaust sound and overall vehicle performance
- Stylish 4.5-inch ceramic black tips for a sleek look
- Easy to install for those with mechanical skill
Cons:- May be loud for daily driving or noise-sensitive environments
- Installation could be challenging for less experienced users
Best for: Dodge Durango owners wanting a custom, performance-oriented exhaust upgrade with style
Not ideal for: Owners of other vehicle makes or those preferring a quieter exhaust experience
- Fitment:Dodge Durango 2011-2025
- Engine Compatibility:3.6L V6, 5.7L V8
- Type:Catback Exhaust
- Tips:4.5-inch Ceramic Black
Our verdict“Ideal for Durango owners seeking a custom-fit, performance, and style upgrade, but may be too loud for some drivers.”
Flowmaster American Thunder Cat-back Exhaust System
This system stands out for its dyno-tuned design that delivers maximum performance, making it ideal for enthusiasts seeking a noticeable boost. Compared to the MagnaFlow 15588, it offers a more aggressive sound with a focus on power, though it might be louder than some prefer. Its stainless steel construction ensures durability, and the included hardware simplifies installation. However, the sound level can be too aggressive for daily drivers, and the price isn’t specified, which might be a concern for budget-conscious buyers. This pick makes the most sense for those prioritizing performance and a robust exhaust note over subtlety.
Pros:- Dyno-tuned for maximum performance
- Easy to install with included hardware
- Durable stainless steel construction
Cons:- Sound may be too aggressive for daily use
- Price information is not provided
Best for: Performance-focused car owners who want a loud, aggressive exhaust for spirited driving
Not ideal for: Casual drivers seeking a quieter, more refined exhaust system
- Material:16 gauge stainless steel
- Type:Cat-back exhaust system
- Sound:Moderate to aggressive
- Installation:Includes hangers and hardware
Our verdict“This exhaust system is best for drivers who prioritize power and a bold sound, even if it sacrifices some subtlety.”
MBRP S5148P Exhaust System
The MBRP S5148P offers a straightforward 3-inch diameter that enhances exhaust flow, making it a solid choice for those wanting a noticeable performance upgrade without excessive complexity. Unlike the Flowmaster American Thunder, this system may require more technical skill during installation, as it’s less forgiving for beginners. It provides durable construction and a satisfying exhaust note, but its louder output could be distracting for daily drivers. This system makes the most sense for budget-conscious owners who want dependable performance without over-the-top sound levels.
Pros:- Enhances vehicle performance
- Durable construction
- Improves exhaust sound
Cons:- Installation may require technical skills
- Potentially loud for some users
Best for: DIY enthusiasts or experienced installers seeking a reliable upgrade at a reasonable price
Not ideal for: Novice car owners or those seeking a quiet, subtle exhaust system
- Diameter:3 inches
- Type:Cat-back exhaust system
Our verdict“This pick suits drivers eager for performance gains and durability, willing to handle a more involved install process.”
Flowmaster Outlaw Cat-back Exhaust System
The Flowmaster Outlaw system is designed for those craving a deep and aggressive exhaust tone, with dual outlet options and large tips that provide a commanding presence. Compared with the American Thunder, it emphasizes a more pronounced sound profile and offers dual exit configurations, letting owners customize their look and tone. All stainless steel construction promises durability, but its loudness can be overwhelming for daily or commuter use, and some mechanical skill may be needed for installation. This system is ideal for drivers who want maximum sound impact and styling flexibility.
Pros:- Deep, aggressive sound
- All stainless steel for durability
- Multiple exit options for customization
Cons:- May be excessively loud for some
- Installation might require mechanical skill
Best for: Car enthusiasts seeking a bold, customizable exhaust sound with a striking appearance
Not ideal for: Everyday drivers who prefer a quieter driving experience
- Exit Options:Dual rear or dual side
- Tip Size:4.00 inches
- Material:All stainless steel
- Warranty:Lifetime Limited
Our verdict“This system is perfect for those who want an unmistakably aggressive tone and style, even if it means a louder ride.”
Flowmaster 17395 American Thunder Cat-Back Exhaust Kit for Chevy Silverado & GMC Sierra 1500 (1999-2007)
This kit is tailored specifically for Silverado and Sierra 1500 models from 1999-2007, featuring mandrel-bent aluminized steel tubing that balances cost and durability. Unlike the stainless steel options, this aluminized steel offers good corrosion resistance at a lower price point but may not last as long in harsh conditions. The dual polished stainless steel tips add a touch of style, and the system’s design provides a moderate to aggressive tone, similar to the Flowmaster American Thunder but optimized for GM trucks. Installation is straightforward with included hardware, making it accessible for DIYers. It’s a practical choice for owners wanting a performance boost without the premium cost.
Pros:- Easy to install with hardware included
- Durable aluminized steel
- Enhanced aggressive exhaust tone
- Specifically designed for GM trucks
Cons:- Aluminized steel may corrode faster than stainless
- Professional installation could be preferable for best fit
Best for: Owners of older Silverado and Sierra trucks looking for an easy, effective upgrade
Not ideal for: Owners in coastal or highly corrosive environments who prefer stainless steel durability
- Material:16-gauge aluminized steel
- Tubing Diameter:3 inches
- Tips:Polished stainless steel, dual
- Application:1999-2007 Chevy Silverado & GMC Sierra 1500
Our verdict“This kit offers a reliable, budget-friendly upgrade tailored for GM truck owners seeking performance and style.”
MagnaFlow 15588 Large Stainless Steel Performance Exhaust System Kit
The MagnaFlow 15588 stands out with its mandrel-bent stainless steel tubing and straight-through mufflers, aimed at maximizing power and sound quality. Compared to the Flowmaster American Thunder, this system emphasizes a smoother, more refined tone with a focus on efficiency and durability. Its stainless steel build ensures longevity, especially in challenging conditions. However, the installation can be complex, requiring technical skill, and it may produce a louder sound that some users find overwhelming. This kit is ideal for those seeking a balance of performance and longevity, especially if they value sound quality and a clean aesthetic.
Pros:- Durable stainless steel construction
- Improves engine performance
- Mandrel-bent tubing for better flow
Cons:- Installation may require technical skills
- May be louder than expected for some
Best for: Performance enthusiasts who want a durable, high-quality exhaust system with refined sound
Not ideal for: Beginners or casual drivers who prefer simple, plug-and-play solutions
- Material:Stainless steel
- Type:Performance exhaust system
- Mufflers:Straight-through
- Tubing:Mandrel bent
Our verdict“This system suits drivers prioritizing high performance, durability, and a cleaner sound profile, despite a more involved install.”
Borla 140397 Stainless Steel Cat-Back Exhaust System for Jetta 2006-2010 2.5L
This Borla system stands out for its robust stainless steel construction, offering a significant upgrade over factory exhausts that often corrode prematurely. Compared to the Flowmaster 717887 FlowFX, Borla’s multi-core technology provides a smoother flow, translating into improved horsepower and throttle response. However, the installation may pose challenges for DIY enthusiasts, as it requires some technical skills, and the system can be quite loud at high RPMs, which might bother daily drivers seeking quieter operation. Its double round rolled angle cut design not only boosts performance but also adds a sleek aesthetic. Compared with other Borla options, such as the Borla 140638, this model is more performance-focused rather than appearance-oriented.
This pick makes the most sense for Jetta owners who want a durable, high-performance exhaust that can handle spirited driving but are prepared for a possibly louder exhaust note.
Pros:- Durable stainless steel construction that resists corrosion
- Enhanced exhaust flow for better performance
- Multi-core technology improves exhaust flow and reduces backpressure
Cons:- Installation may require technical skills and tools
- Can be significantly louder at high RPMs, which might be intrusive
Best for: Jetta owners looking for a durable, high-performance upgrade that enhances exhaust flow and durability
Not ideal for: Casual drivers or those seeking a quiet ride, as this system can be loud at high RPMs
- Material:Stainless Steel
- Application:Jetta 2006-2010 2.5L
- Technology:Multi-core
- Design:Double round rolled angle cut
- Package Dimensions:113.03 x 26.924 x 54.102 cm
- Country of Origin:United States
Our verdict“This Borla system is ideal for Jetta owners who prioritize durability and performance over noise level and ease of installation.”
How We Picked
To determine the best car exhaust systems, I evaluated each option based on performance potential, build quality, ease of installation, and value for money. I prioritized systems that have proven durability, offer noticeable sound enhancements, and fit a variety of popular vehicles. Cost was balanced against features, ensuring the top picks provide a good mix of quality and affordability. This ranking emphasizes real-world usability and long-term reliability, helping buyers find systems that meet their performance needs without unnecessary complexity.Factors to Consider When Choosing Best Car Exhaust Systems
When selecting a car exhaust system, several factors influence how well it will meet your needs. Beyond just sound and style, considerations like material quality, compatibility with your vehicle, and installation process play key roles. Making an informed choice involves understanding what tradeoffs are acceptable based on your budget and goals. Here are some critical factors to keep in mind:Sound and Tone
The primary reason many upgrade their exhaust is to enhance the vehicle’s sound. Some systems deliver a deep, mellow tone, while others produce a loud, aggressive roar. Consider whether you want a noticeable but manageable increase in volume or a more subdued sound. Remember, higher volume often means more drone while driving, which can be tiring on long trips.
Material and Durability
High-quality stainless steel or ceramic-coated systems resist rust and corrosion better than cheaper aluminized steel. Although these premium materials cost more upfront, they tend to last longer and require less maintenance. Cheaper materials might save money initially but could lead to corrosion and replacement sooner, especially if you live in areas with harsh weather or road salt.
Compatibility and Fitment
Ensuring the exhaust system fits your specific vehicle model is critical. A system designed for a different make or model may require modifications, increasing installation time and costs. Check the manufacturer’s specifications carefully and consult with a professional if unsure. Proper fitment ensures optimal performance and avoids potential damage caused by improper installation.
Performance Gains
While many exhaust systems claim to boost horsepower and torque, real improvements depend on the design and quality of the system. Look for systems with smooth airflow, mandrel bends, and high-flow catalysts to maximize gains. Beware of overly cheap setups that promise big performance boosts but deliver little in practice.
Cost and Value
Price can range from budget-friendly options to premium systems costing several hundred dollars. While spending more often yields better materials and sound, not everyone needs a high-end setup. Balance your budget with your performance and aesthetic goals, and consider whether paying extra is justified by the expected durability and sound quality.
Installation and Maintenance
Some systems are straightforward to install with basic tools, while others require professional help. Consider your mechanical skills and available tools before purchasing. Maintenance-wise, systems with corrosion-resistant materials tend to need less upkeep, saving you time and money down the line.
Frequently Asked Questions
Will upgrading my exhaust system improve my car’s horsepower?
Upgrading to a high-quality exhaust system can improve your car’s airflow, potentially increasing horsepower and torque. The extent of gains depends on the design of the system and your vehicle’s engine. Generally, a well-designed cat-back setup offers noticeable performance improvements, especially when combined with other modifications like an intake upgrade.
How loud will my car be with a new exhaust system?
The loudness depends on the system’s design and sound profile. Systems with straight-through designs or larger diameter pipes tend to produce louder, more aggressive tones. If you prefer a subtle increase in volume, look for systems labeled as moderate or street-friendly. For a bold, race-inspired sound, choose models known for their loud exhaust note.
Are stainless steel exhaust systems worth the extra cost?
Stainless steel exhaust systems generally cost more initially but offer superior resistance to rust and corrosion, especially in harsh climates. They also tend to maintain their appearance longer and can often be polished or coated for a custom look. While the upfront investment is higher, their durability often justifies the cost for those seeking a long-lasting upgrade.
Can I install an exhaust system myself, or should I hire a professional?
Many exhaust systems are designed for straightforward installation, with some requiring only standard hand tools and basic mechanical skills. However, certain models or vehicle applications might need specialized tools or expertise, especially if modifications are necessary. If you’re unsure about your mechanical skills, hiring a professional ensures proper fitment and optimal performance, preventing potential damage.
How does an exhaust system affect fuel economy?
In some cases, a more efficient exhaust system can improve your vehicle’s fuel economy by reducing backpressure and allowing the engine to breathe easier. However, the effect is often modest and depends heavily on the rest of your vehicle’s setup. Excessively loud or free-flowing systems might slightly reduce fuel efficiency at highway speeds due to increased noise and airflow dynamics.
Conclusion
For most drivers seeking an all-around upgrade, the Flowmaster 717887 FlowFX offers excellent balance between sound, durability, and affordability, making it the best overall choice. If you want a premium aesthetic and maximum durability, the Borla 140638 stands out as the top-tier option. Budget-conscious buyers will appreciate the value of the MagnaFlow 15815 for its performance-to-price ratio. Beginners or those concerned about ease of installation should consider systems with straightforward setups, while enthusiasts focused on sound and performance may prefer the aggressive tone of the Flowmaster Outlaw. Ultimately, your choice depends on your priorities—performance, sound, durability, or budget.
