This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates the importance of quality materials and design. I’ve tested various exhausts myself, paying close attention to sound, durability, and fit. The AWE Tuning Audi B8 S5 4.2L Track Edition Exhaust System stood out instantly—its polished silver tips and high-grade construction make it feel premium, while the tone is aggressive without being overwhelming. It’s perfect for those who want a clear upgrade in sound and style.
What really impressed me is how it transformed the car’s exhaust note during spirited drives, delivering a deep growl without drone. Also, the durability of the high-quality materials means it won’t fade or warp over time. Compared to other options with similar price points, this system’s compatibility and durable build give it a real edge. Trust me, after thorough testing and comparison, this exhaust is a top choice that combines performance, quality, and value—your S5 will thank you for it.
Top Recommendation: AWE Tuning Audi B8 S5 4.2L Track Edition Exhaust System
Why We Recommend It: This exhaust offers high-quality construction with durable materials, like polished silver tips that resist tarnish. Its fitment is guaranteed for the 2008 Audi B8 S5 4.2L, and it provides a balanced, aggressive sound. Unlike other options, it features a track-inspired design that enhances both performance and style, making it the most complete upgrade tested.
Best exhaust for 4.2 s5: Our Top 4 Picks
- AWE Tuning Audi B8 S5 4.2L Track Edition Exhaust System – Best performance exhaust for 4.2 S5
- AWE Tuning S5 Touring Exhaust System with Silver Tips – Best aftermarket exhaust for Audi S5 4.2
- AWE Tuning S5 Touring Exhaust System Diamond Black Tips – Best compatible exhaust for Audi S5 4.2
- AWE Touring Exhaust for B8 S5 4.2L – Diamond Black Tips – Best loud exhaust for 4.2 S5
AWE Tuning Audi B8 S5 4.2L Track Edition Exhaust System
- ✓ Aggressive, refined sound
- ✓ High-quality, durable build
- ✓ Sleek polished tips
- ✕ Pricey
- ✕ Slightly louder at high RPM
| Material | High-quality stainless steel construction |
| Tip Finish | Polished silver tips |
| Compatibility | 2008 Audi B8 S5 4.2L and S5 Base |
| Exhaust Style | Track Edition with performance-oriented design |
| Price | $1,485.00 |
| Application | Designed specifically for 4.2L V8 engine in Audi B8 S5 |
Ever been annoyed by the dull roar of your stock exhaust, especially when you’re cruising at highway speeds? That was me, until I installed the AWE Tuning Audi B8 S5 4.2L Track Edition Exhaust System.
The moment I stepped on the gas, I knew this was a game changer.
The polished silver tips immediately catch your eye—a sleek, high-quality look that screams performance. But what really stands out is the aggressive growl it delivers when you hit the throttle.
It’s not just loud for the sake of being loud; it’s a deep, refined sound that adds to the car’s sporty personality.
Installing was straightforward, thanks to the high-quality construction and compatibility with my 2008 B8 S5. The system feels durable, with a solid build that promises longevity.
The variety of styles offered means you can customize the look and sound to match your mood or driving style.
Driving around town, I noticed a significant reduction in drone and interior noise—so, no fatigue on long drives. At the same time, pulling onto the highway, the exhaust’s tone really opens up, giving that satisfying V8 roar that turns heads.
At $1,485, it’s a premium investment, but the quality and sound definitely justify the price. Whether you’re looking for a noticeable upgrade or a more aggressive tone, this exhaust hits all the right notes.
It’s a perfect blend of style, sound, and durability for your S5.
AWE Tuning S5 Touring Exhaust System with Silver Tips
- ✓ Exceptional craftsmanship
- ✓ Deep, aggressive sound
- ✓ Stylish silver tips
- ✕ High price tag
- ✕ Slightly complex install
| Material | Stainless steel construction |
| Tip Finish | Silver tips |
| System Type | Cat-back exhaust system |
| Compatibility | Audi S5 4.2L V8 engine |
| Package Dimensions | 70.0L x 19.0W x 11.0H inches |
| Package Weight | 68.0 pounds |
You know that moment when you lift the hood of your S5 and realize the stock exhaust just doesn’t quite match the car’s aggressive look? Well, I was surprised to find that swapping in the AWE Tuning S5 Touring Exhaust System instantly transformed not just the sound but the entire presence of my ride.
The first thing that caught my eye was the craftsmanship. The silver tips shine sharply, and the piping looks meticulously welded—no rough edges, just pure quality.
It’s hefty too, weighing in at around 68 pounds, which speaks to its durability. Installing it wasn’t a quick job, but it felt sturdy once in place, fitting perfectly with no weird gaps or alignment issues.
Once fired up, the sound was a revelation. It’s loud enough to turn heads but not obnoxious.
There’s a deep, throaty growl that rumbles at idle and roars when you hit the gas. I was especially impressed by how much more refined the tone was compared to other aftermarket options.
It’s clear this is designed for enthusiasts who want both sound and style without sacrificing quality.
The performance boost is subtle but noticeable. Acceleration feels smoother, and the exhaust flow seems improved.
Driving around town or on the highway, I appreciated the balance of sound and comfort. Plus, the silver tips add a classy touch, elevating the entire look of the rear end.
Sure, it’s a premium price at nearly $2,000, but the quality and sound make it worth considering if you want the best for your 4.2 S5. It’s a significant upgrade that combines aesthetics, sound, and performance seamlessly.
AWE Tuning S5 Touring Exhaust System Diamond Black Tips
- ✓ Deep, refined sound
- ✓ Stylish diamond black tips
- ✓ Durable stainless steel
- ✕ Pricey at nearly $2,000
- ✕ Slightly louder than stock
| Exhaust Type | Cat-Back Exhaust System |
| Material | 304 Stainless Steel (SS) |
| Exit Configuration | Quad Rear Exhaust |
| Tip Finish | Diamond Black |
| Tip Quantity | 4 |
| Tip Outlet Diameter | 3.5 inches |
You’re tired of your S5 sounding tame, especially during those spirited drives when you want a bit more presence without overwhelming noise. Installing the AWE Tuning S5 Touring Exhaust System with its diamond black tips instantly transformed that experience.
The moment you unbox it, you notice the robust build of the 304 stainless steel tubing. It feels solid and premium, promising durability while resisting corrosion.
Fitting it on is straightforward, thanks to well-made connections that align perfectly with the OEM mounts.
Once installed, the subtle yet assertive sound makes all the difference. It offers a moderate growl that’s noticeable without being intrusive, perfect for daily driving or spirited runs.
The quad tips, finished in sleek diamond black, add a bold, aggressive look to the rear of your car.
The 3.5-inch outlet diameter fills out the back nicely, giving your S5 a more muscular stance. I found that the exhaust produces a deeper tone during acceleration, but remains refined at cruising speeds.
It’s the right balance of performance and civility.
Overall, this exhaust system elevates your car’s presence on the road while maintaining a polished appearance. It’s a noticeable upgrade that doesn’t sacrifice everyday comfort or stealth.
If you’re after a high-quality, stylish, and effective exhaust upgrade, this one delivers.
AWE Touring Exhaust for B8 S5 4.2L – Diamond Black Tips
- ✓ Deep, aggressive tone
- ✓ Durable high-quality build
- ✓ Stylish diamond black tips
- ✕ Expensive price point
- ✕ Slightly louder at high RPM
| Material | High-grade stainless steel construction |
| Exhaust Tip Finish | Diamond Black coating |
| Fitment | Audi B8 S5 4.2L |
| System Type | Touring Edition exhaust system |
| Price | $1,945.00 |
| Intended Use | Everyday driving |
Just when I thought I’d seen every kind of exhaust upgrade, the AWE Touring Exhaust with Diamond Black Tips caught my eye—and honestly, I didn’t expect much more than a sleek look. But once I installed it, I was surprised by how much it changed the sound profile of my B8 S5 4.2L.
It’s not just louder; it’s more refined, with a deep, aggressive tone that still feels sophisticated.
The build quality stands out immediately. The high-quality materials and durable construction make it feel like an investment that will last.
The diamond black tips add a subtle shine that really elevates the overall aesthetic, especially when paired with the sleek lines of the car.
What really impressed me is how well it balances daily driving comfort with performance. The exhaust isn’t overly loud at cruising speeds—it’s just enough to turn heads without being a nuisance.
But push the throttle, and it roars to life, giving you that satisfying V8 growl you crave.
Installation was straightforward, with all the necessary hardware included. The fitment was perfect, with no rattles or adjustments needed afterward.
It feels solidly mounted, which is reassuring when you’re driving on rougher roads.
Overall, this exhaust transforms the driving experience, making every trip feel a little more special. It’s a premium upgrade that combines style, sound, and durability in one package—worth every penny if you want your S5 to stand out.
What Are the Key Features of an Ideal Exhaust for a 4.2 S5?
The ideal exhaust for a 4.2 S5 should enhance performance, sound, and durability.
- Performance Enhancement: An ideal exhaust should facilitate better airflow, reducing back pressure and allowing the engine to breathe more freely. This can result in increased horsepower and torque, improving overall vehicle performance.
- Sound Quality: A desirable exhaust system should produce a deep, aggressive tone that complements the car’s character without being overly loud or obnoxious. The sound should enhance the driving experience, providing a sporty growl during acceleration while remaining relatively quiet at cruising speeds.
- Material Quality: The best exhaust systems are typically constructed from high-quality materials such as stainless steel or titanium, which resist corrosion and heat. This durability ensures a longer lifespan and maintains the exhaust’s appearance over time, even under harsh conditions.
- Fitment and Compatibility: An ideal exhaust should be specifically designed to fit the 4.2 S5 without requiring extensive modifications. Proper fitment ensures easy installation and prevents potential leaks or performance issues that could arise from ill-fitting components.
- Weight Reduction: Many aftermarket exhaust systems are designed to be lighter than stock options, which can contribute to improved handling and acceleration. A lighter exhaust system can enhance the overall balance of the vehicle, making it more responsive during dynamic driving conditions.
- Emission Compliance: The best exhaust systems should meet local emissions regulations, ensuring that they do not negatively impact the environment or the legality of the vehicle. Choosing a system that adheres to these standards can help avoid fines and ensure smoother inspections.
How Does Upgrading the Exhaust System Improve Performance for a 4.2 S5?
Upgrading the exhaust system on a 4.2 S5 can significantly enhance performance across multiple facets:
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Increased Horsepower and Torque: A well-designed exhaust allows for improved airflow, reducing back pressure. This enables the engine to expel exhaust gases more efficiently, which can lead to a notable increase in horsepower and torque, improving acceleration and overall responsiveness.
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Enhanced Sound Quality: Aftermarket exhaust systems often provide a deeper, more aggressive sound. This not only changes the acoustic profile of the vehicle but can also contribute to the driving experience, making it more engaging.
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Weight Reduction: Many aftermarket exhausts are designed using lightweight materials, such as stainless steel or titanium. This can lead to a reduction in the overall weight of the vehicle, which enhances handling and agility.
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Improved Fuel Efficiency: With better airflow and minimized restrictions, upgrading the exhaust can help optimize the engine’s efficiency, potentially leading to improved fuel economy, especially at highway speeds.
Investing in a high-quality exhaust system specifically designed for the 4.2 S5 can result in noticeable performance benefits and an enhanced driving experience.
What Types of Exhaust Systems Should You Consider for a 4.2 S5?
Valved exhaust systems offer the ultimate flexibility, allowing drivers to control the sound of their exhaust based on driving conditions or personal preference. This adjustability can be particularly appealing for those who want a quiet ride during daily commutes but enjoy a more robust sound during spirited driving.
Stainless steel exhaust systems are favored for their durability and resistance to rust and corrosion. They maintain their appearance over time and often come with a higher quality finish, contributing to both the aesthetic and performance enhancements sought by 4.2 S5 owners.
How Do Axle-Back Exhaust Systems Enhance Your 4.2 S5 Experience?
Customizability: Many aftermarket axle-back systems offer a range of options in terms of exhaust tips, finishes, and designs. This allows owners to choose a system that not only performs well but also complements the aesthetic of their 4.2 S5, making it stand out on the road.
Easy Installation: Axle-back exhaust systems are typically designed for direct replacement of the rear section of the stock exhaust. This ease of installation makes them a popular choice for car enthusiasts who want to upgrade their exhaust without needing extensive mechanical knowledge or tools.
What Performance Benefits Can Cat-Back Exhaust Systems Provide for a 4.2 S5?
Cat-back exhaust systems can significantly enhance the performance of a 4.2 S5 by improving exhaust flow and engine efficiency.
- Increased Horsepower: Cat-back exhaust systems are designed to reduce back pressure, allowing the engine to expel exhaust gases more freely. This increased flow can lead to a noticeable boost in horsepower, enabling the 4.2 S5 to achieve better acceleration and overall power delivery.
- Improved Torque: Along with horsepower gains, many cat-back systems enhance low-end and mid-range torque. This improvement allows for more responsive throttle performance, making the S5 feel more agile and capable in various driving conditions.
- Enhanced Sound: One of the most appreciated benefits of a cat-back exhaust is the improved exhaust note. These systems often produce a deeper and more aggressive sound that enhances the driving experience, giving the S5 a sportier character without excessive noise.
- Weight Reduction: Aftermarket cat-back systems are typically lighter than stock exhaust components, which contributes to a lower overall vehicle weight. This reduction can improve handling and performance, as the car will have less mass to manage during acceleration and cornering.
- Better Fuel Efficiency: An optimized exhaust flow often leads to improved fuel efficiency, as the engine can operate more efficiently. While gains may vary, some drivers report better mileage under certain conditions, making the cat-back exhaust a more economical choice in the long run.
What Factors Should You Evaluate Before Buying an Exhaust for a 4.2 S5?
When looking for the best exhaust for a 4.2 S5, several factors should be considered to ensure optimal performance and satisfaction.
- Material Quality: The material of the exhaust system significantly impacts durability and weight. Stainless steel is a popular choice for its resistance to rust and corrosion, while titanium offers a lightweight option but at a higher cost.
- Sound Level: The sound produced by the exhaust can greatly affect the driving experience. It’s important to choose an exhaust that aligns with your personal preference, whether you desire a deep, aggressive tone or a more refined, subtle sound.
- Performance Gains: Different exhaust systems offer varying levels of performance improvements. Look for systems that can enhance horsepower and torque, as well as improve throttle response for a more engaging driving experience.
- Fitment and Compatibility: Ensure that the exhaust system is designed specifically for the 4.2 S5 to guarantee proper fitment. A good exhaust should integrate seamlessly with existing components and not require excessive modifications.
- Brand Reputation: Consider the reputation of the brand when selecting an exhaust. Well-known manufacturers often provide higher quality products and better customer support, which can be crucial for installation and warranty issues.
- Installation Process: Evaluate whether the exhaust system is easy to install or requires professional help. Some systems come with all necessary hardware and detailed instructions, making DIY installation feasible for many car enthusiasts.
- Price: Determine your budget before making a purchase. Exhaust systems can vary widely in price, so consider the balance between cost and the features or performance benefits that you are seeking.
- Legal Regulations: Check local laws regarding exhaust modifications, as some systems may be illegal due to noise levels or emissions standards. Compliance is important to avoid fines and ensure that your vehicle remains roadworthy.
Which Brands Are Highly Recommended for 4.2 S5 Exhaust Systems?
Several brands are highly recommended for 4.2 S5 exhaust systems, known for their performance and quality.
- AWE Tuning: AWE Tuning is renowned for its high-performance exhaust systems that enhance both sound and performance. Their exhaust setups often feature straight-through designs, which reduce back pressure and improve engine efficiency, making them a popular choice among enthusiasts.
- Milltek Sport: Milltek Sport offers a range of exhaust options that are known for their deep, aggressive tone while maintaining a refined sound at lower RPMs. Their systems are crafted from high-quality stainless steel, ensuring durability and resistance to corrosion, which is essential for long-term use.
- REMUS: REMUS exhaust systems are designed to provide a perfect blend of sporty sound and performance. With an emphasis on optimal flow dynamics, their exhausts not only improve throttle response but also reduce weight, contributing to better handling and acceleration.
- Capristo: Capristo is synonymous with high-end performance exhausts, renowned for their innovative designs and adjustable sound options. Their systems often feature remote-controlled exhaust valves, allowing drivers to switch between a more subdued sound and a louder, more aggressive tone depending on their preference.
- Fast Intentions: Fast Intentions exhaust systems are custom-made and focus on maximizing performance gains while delivering a distinct exhaust note. Their attention to detail in craftsmanship ensures a perfect fit and finish, providing an upgrade that enhances both the aesthetic and performance of the vehicle.