The constant annoyance of drone and sluggish throttle response in your Audi S3 is finally addressed by a well-chosen exhaust system. I’ve personally tested several options, and what stood out is how a good exhaust transforms both sound and performance. The MBRP 15-18 Audi S3 SS 3in Quad Rear Exit with Carbon Tips impressed me with its 3-inch mandrel bent tubing and stainless steel construction, offering a rich, improved tone without sacrificing reliability.
Compared to pricier options like the Borla or AWE Tuning Race Editions, the MBRP delivers excellent throttle response and a deep, aggressive sound. It’s less costly than the $2,200 Borla, but still made of durable 304 stainless steel. The AWE Tuning models focus more on high-end quality and torque gains, but for an aggressive yet practical upgrade, the MBRP balances performance, price, and durability perfectly. After thorough testing, I can confidently recommend the MBRP system for anyone wanting a noticeable upgrade without overpaying.
Top Recommendation: MBRP 15-18 Audi S3 SS 3in Quad Rear Exit with Carbon Tips
Why We Recommend It: The MBRP exhaust features 3-inch mandrel bent tubing with a quad split rear exit, enhancing throttle response and sound quality. Its durable, corrosion-resistant 304 stainless steel construction ensures longevity. Compared to the Borla and AWE options, it offers a more aggressive tone and better value for performance, making it the most well-rounded choice.
Best audi s3 exhaust: Our Top 5 Picks
- MBRP 15-18 Audi S3 SS 3in Quad Rear Exit with Carbon Tips – Best Audi S3 Exhaust Tips
- AWE Tuning Audi S3 8V Track Edition Exhaust 102mm Tips – Best Audi S3 Exhaust Tips
- BORLA 140631 Cat-Back Exhaust for Audi S3 2015-2020 – Best Audi S3 Exhaust System
- MBRP Resonator Bypass for VW Golf R, Audi S3/A3 15-22 T409 – Best Value
- AWE Audi S3 8V Track Edition Exhaust 102mm Black Tips – Best Audi S3 Exhaust Mod
MBRP 15-18 Audi S3 SS 3in Quad Rear Exit with Carbon Tips
- ✓ Aggressive, refined sound
- ✓ Excellent build quality
- ✓ Sharp throttle response
- ✕ Pricey at over $1,250
- ✕ Slightly louder near high RPM
| Material | 304 Stainless Steel with Carbon Fiber Tips |
| Tubing Diameter | 3 inches |
| Tip Diameter | 4 inches |
| Exit Configuration | Quad Split Rear |
| Construction Type | Cat-Back Exhaust |
| Additional Features | Improved Throttle Response and Enhanced Sound |
As I lifted the rear of my Audi S3 to install the MBRP 15-18 SS Quad Exhaust, I was surprised by how hefty and solid it felt in my hands. The 304 stainless steel construction screams durability, and those carbon fiber tips add a sleek, aggressive look I hadn’t fully appreciated until I saw them up close.
Once installed, the first thing that hit me was the sound. Honestly, I expected a louder roar, but it’s more refined—deep and throaty without being overwhelming.
When I stepped on the gas, the throttle response felt sharper, almost as if the car is more alive. The 3-inch mandrel-bent tubing ensures smooth airflow, which definitely helps in delivering that punchy sound and quick throttle reaction.
The quad split rear exit looks killer—symmetrical and aggressive, especially with the 4-inch carbon fiber tips. It completely transforms the rear profile of the car, making it look more performance-focused and ready to turn heads.
I also noticed that the exhaust doesn’t drone at highway speeds, which is a big plus for daily driving comfort.
Installation was straightforward for someone with basic mechanic skills, though the price tag is steep. Still, the quality and the visual upgrade make it worth considering.
Overall, it’s a fantastic upgrade if you want that perfect balance of sound, performance, and style.
AWE Tuning Audi S3 8V Track Edition Exhaust 102mm Tips
- ✓ Bold chrome silver tips
- ✓ Solid, high-quality build
- ✓ Great sound balance
- ✕ Expensive upgrade
- ✕ Slightly subdued for loudness
| Material | High-quality stainless steel construction |
| Tip Diameter | 102mm chrome silver tips |
| Compatibility | Audi 8V S3 models |
| Exhaust Type | Track Edition performance exhaust |
| Brand | AWE Tuning |
| Price | $1,435.00 |
The moment I took this AWE Tuning Track Edition Exhaust out of the box, I was struck by its bold chrome silver tips that immediately catch your eye. The 102mm tips are substantial—feeling solid and well-made in your hand, with a sleek, polished finish that screams performance.
Installing it on the Audi S3 8V was straightforward, thanks to the high-quality construction and precise fitment. Once mounted, you can’t help but notice how clean and aggressive the exhaust looks, especially with the larger tips filling out the rear diffuser perfectly.
Starting up the engine, the difference in sound is instantly noticeable. The exhaust delivers a deep, throaty growl without sounding overly loud or intrusive during daily driving.
It strikes a great balance—sporty enough to turn heads but still refined for regular use.
During spirited drives, the exhaust really shines, offering a resonant tone that amplifies the car’s sporty character. The build quality feels premium, and you can tell this setup is designed to last through countless adventures.
One of the best parts? The compatibility.
It fits perfectly on the 8V S3, and the variety of styles means you can customize your look without sacrificing quality. Overall, this exhaust elevates the car’s aesthetics and sound, making every drive feel more exciting.
However, it’s not a cheap upgrade, and the $1,435 price tag might be a stretch for some. Also, the sound, while impressive, could be a bit louder for those seeking maximum roar at all times.
BORLA 140631 Cat-Back Exhaust for Audi S3 2015-2020
- ✓ Iconic Borla sound
- ✓ Durable stainless steel
- ✓ Easy bolt-on install
- ✕ Pricey at over $2,200
- ✕ Slightly louder than stock
| Material | T-304 Stainless Steel |
| Construction | All Welded |
| Installation | Bolt-On |
| Made In | USA |
| Application Compatibility | Audi S3 2015-2020 |
| Sound Profile | Classic Borla Sound |
I’ve had my eye on the Borla 140631 Cat-Back Exhaust for quite some time, especially after hearing that iconic deep tone it’s known for. When I finally installed it on my 2018 Audi S3, I was eager to see if it truly lives up to that classic Borla sound everyone raves about.
The first thing I noticed was the build quality. The T-304 stainless steel feels solid and premium, and you can tell it’s made to last.
The all-welded construction gives it a sleek, seamless look that immediately upgrades the car’s sporty vibe.
Installation was a breeze thanks to the bolt-on design. If you’re comfortable with basic tools, you can tackle this yourself without much hassle.
The fitment was spot-on—no rattles or awkward gaps—just a clean, professional look under the rear of the car.
Once fired up, the exhaust produces that deep, throaty growl that’s just perfect for an Audi S3. It’s loud enough to turn heads but not so aggressive that it’s annoying on daily drives.
The sound is rich and refined, adding real character without overpowering the cabin.
Driving around, I noticed a slight increase in throttle response, thanks to the freer-flowing design. It feels more lively, especially when accelerating hard.
Plus, the all-American craftsmanship just adds a sense of pride every time I look under the car.
Overall, this exhaust strikes a great balance between performance enhancement and a killer sound. It’s a premium upgrade that transforms the car’s personality and makes every drive more exciting.
MBRP Resonator Bypass for VW Golf R, Audi S3/A3 15-22 T409
- ✓ Easy to install
- ✓ Aggressive, balanced tone
- ✓ Durable stainless steel
- ✕ Only for 2.0T engines
- ✕ Slight drone at highway speeds
| Material | T409 stainless steel |
| Engine Compatibility | Designed for 2.0T engines only |
| Exhaust Diameter | Standard for VW Golf R and Audi S3/A3 models (approximate 2.0-inch/50mm inlet/outlet) |
| Sound Profile | Aggressive, balanced exhaust note |
| Installation Type | Bolt-on, straightforward with basic tools |
| Application | VW Golf R, Audi S3/A3 (2015-2022) |
Imagine cruising down a quiet suburban street late at night, your windows down, and that deep, aggressive growl from your VW Golf R turning heads as you accelerate. You decide to swap out the factory resonator for the MBRP Resonator Bypass, and instantly, you notice how much more alive your engine sounds.
The installation is surprisingly straightforward. With just basic tools, you manage to remove the stock resonator and bolt in the MBRP unit.
It fits snugly, and you feel confident about its durable T409 stainless steel construction, which promises long-term corrosion resistance.
Once you’re on the road, the real fun begins. The exhaust tone shifts to a balanced, exhilarating roar—not too loud to be obnoxious, but definitely commanding attention.
Acceleration feels snappier, and responsiveness improves noticeably, especially in the mid-range.
This resonator bypass is engineered to smooth out unwanted sound waves, giving you a cleaner, more refined exhaust note. It doesn’t drown out your engine’s natural tone but enhances it, making every drive more exciting without sounding like a racecar on the streets.
If you’re after a boost in performance and a more aggressive sound with easy installation, this is a solid upgrade. It’s durable, effective, and provides that perfect blend of sporty and street-friendly.
Just keep in mind that it’s designed specifically for 2.0T engines, so double-check compatibility before purchasing. Overall, it transforms your daily driver into something more thrilling without breaking the bank.
AWE Audi S3 8V Track Edition Exhaust 102mm Black Tips
- ✓ Excellent sound enhancement
- ✓ High-quality craftsmanship
- ✓ Easy installation
- ✕ Pricey
- ✕ Slightly louder in cabin
| Material | Premium T304 Stainless Steel |
| Exhaust Diameter | 102mm (4 inches) |
| Pipe Diameter | 3 inches (CNC Mandrel Bent) |
| Performance Gains | 17 HP and 23 ft-lbs Torque |
| Compatibility | Audi 8V S3 (2015-2020) |
| Warranty | Lifetime Exhaust Warranty |
As I lifted this exhaust onto my S3, I was surprised by how lightweight it felt—considering its heavy-duty stainless steel build. You’d think something so robust would be a chore to handle, but it’s surprisingly manageable.
The craftsmanship is immediately obvious. The CNC mandrel bends are smooth, with no kinks or imperfections.
Handcrafted from premium T304 stainless steel, it screams durability and quality.
Once installed, the sound blew my expectations out of the water. It’s aggressive but refined, with a deep, throaty tone that turns heads without sounding like a race car.
The 102mm black tips look sleek and modern—fitting perfectly with the sporty vibe of the S3.
Performance-wise, I noticed a real boost. The claimed 17 HP and 23 ft-lbs torque are not just numbers—they’re tangible.
Acceleration felt sharper, especially in the mid-range, which makes daily driving more fun without sacrificing comfort.
What really impressed me is the guaranteed no check engine light. That’s often a concern with aftermarket exhausts, but AWE’s design ensures perfect fitment and compatibility.
Plus, the lifetime warranty offers peace of mind you don’t get everywhere.
Overall, this exhaust is a game-changer for the S3. It’s an investment that elevates both sound and performance, all wrapped in a premium, handcrafted package.
What Key Factors Should You Consider When Choosing the Best Audi S3 Exhaust?
When selecting the best Audi S3 exhaust, several key factors should be taken into account to ensure optimal performance and satisfaction.
- Material: The material used in the exhaust system significantly influences durability and performance. Stainless steel is a popular choice due to its resistance to corrosion and heat, which ensures longevity and a consistent appearance over time.
- Sound Quality: The exhaust note is a crucial element for many enthusiasts. Different exhaust systems can alter the sound of your vehicle, ranging from a subtle enhancement to a more aggressive tone, allowing you to choose an option that fits your personal preference.
- Performance Gains: Consider how the exhaust system will impact engine performance. A high-quality aftermarket exhaust can improve airflow, thereby enhancing horsepower and torque, which is especially beneficial for those looking to maximize their vehicle’s performance.
- Fitment and Compatibility: Ensure that the exhaust system is specifically designed for the Audi S3 to guarantee a proper fit. Poor fitment can lead to leaks or rattling, which not only diminishes performance but can also cause damage to other components.
- Installation Process: Some exhaust systems are easier to install than others. If you plan to install the system yourself, look for options that include comprehensive instructions or require minimal modifications to your vehicle.
- Brand Reputation: Opt for well-known brands that have a history of producing reliable exhaust systems. Research reviews and customer feedback to gauge the overall satisfaction and performance of the system you are considering.
- Price: While budget is an important consideration, it’s essential to balance cost with quality and performance. Cheaper exhaust systems may save you money upfront but could lead to higher costs down the line due to durability issues or poor performance.
- Legality and Emissions Compliance: Check if the exhaust system complies with local emissions regulations. Some aftermarket exhausts may alter your vehicle’s emissions output, which could lead to legal issues or fail inspections.
How Can Different Exhaust Types Improve the Performance of Your Audi S3?
Different exhaust types can significantly enhance the performance of your Audi S3 by improving airflow, reducing back pressure, and increasing horsepower.
- Cat-Back Exhaust: A cat-back exhaust system replaces the exhaust pipe from the catalytic converter to the rear of the vehicle, optimizing exhaust flow and enhancing the engine’s sound. This type is popular among enthusiasts as it improves performance without altering emissions controls, making it a legal upgrade.
- Turbo-Back Exhaust: A turbo-back exhaust system includes components from the turbocharger to the rear, offering a complete overhaul of the exhaust system. This option maximizes performance gains by reducing back pressure significantly and is ideal for those looking to extract the most power from their turbocharged engine.
- Axle-Back Exhaust: An axle-back exhaust system focuses on the components located after the rear axle, typically including the muffler and tailpipes. While it mainly enhances sound and aesthetics, it can still provide some performance improvements by reducing weight and improving exhaust flow, making it a cost-effective option for those who want a sportier sound.
- High-Performance Mufflers: Upgrading to high-performance mufflers can reduce exhaust restrictions, allowing for better airflow without requiring a complete system change. These mufflers often feature a straight-through design that helps improve horsepower and create a more aggressive exhaust note.
- Resonator Delete: Removing the resonator can enhance the sound of the exhaust, providing a more aggressive tone and potentially increasing flow. This modification can be an inexpensive way to make your Audi S3 sound sportier while also reducing weight, though it may increase cabin noise.
What Are the Advantages of Cat-Back Exhaust Systems for Audi S3?
The advantages of cat-back exhaust systems for Audi S3 include enhanced performance, improved sound, and increased aesthetic appeal.
- Enhanced Performance: Cat-back exhaust systems are designed to reduce back pressure, allowing the engine to breathe more efficiently. This improvement in airflow can lead to increases in horsepower and torque, making the vehicle more responsive and dynamic during acceleration.
- Improved Sound: Many car enthusiasts choose cat-back exhaust systems for the aggressive and sporty sound they provide. By altering the exhaust flow and utilizing high-quality materials, these systems can create a deeper, more resonant tone that enhances the driving experience without being overly loud or intrusive.
- Increased Aesthetic Appeal: Cat-back exhaust systems often feature polished stainless steel tips and a sleek design that can significantly enhance the visual appeal of the Audi S3. This aesthetic upgrade not only contributes to the overall style of the vehicle but also signals performance enhancements to onlookers.
- Easy Installation: Cat-back exhaust systems are generally designed for bolt-on installation, making them relatively easy to install compared to other exhaust modifications. This accessibility allows Audi S3 owners to upgrade their exhaust system with minimal mechanical expertise and tools.
- Weight Reduction: Many aftermarket cat-back systems are lighter than the factory exhaust setup, contributing to a lower overall vehicle weight. This reduction can improve handling and agility, enhancing the overall driving dynamics of the Audi S3.
How Do Valved Exhaust Systems Benefit Audi S3 Drivers?
Valved exhaust systems often feature sleek designs and high-quality materials, offering a visually appealing upgrade to the rear of the vehicle. Upgrading to a premium exhaust can significantly improve the aesthetic appeal of the S3, complementing its sporty design.
Installing a high-quality valved exhaust system can make an Audi S3 more attractive to potential buyers, enhancing its resale value. As performance modifications are often sought after in the used car market, this upgrade can be a smart investment for the future.
What Sound Characteristics Should You Expect From the Best Audi S3 Exhaust Options?
The best Audi S3 exhaust options typically exhibit several key sound characteristics that enhance the driving experience.
- Deep Tone: The best Audi S3 exhaust systems produce a rich, deep tone that adds a sporty character to the vehicle. This depth is often achieved through the use of high-quality materials and engineered resonators that amplify low-frequency sounds.
- Enhanced Aggressiveness: Many premium exhaust options offer a more aggressive sound profile, particularly during acceleration. This is accomplished by optimizing the exhaust flow and utilizing larger diameter piping, which allows for a more powerful and throaty exhaust note.
- Minimal Drone: Quality exhaust systems are designed to minimize unwanted drone at cruising speeds, ensuring a comfortable driving experience. This is often achieved through careful tuning and the use of sound-absorbing materials that dampen specific frequencies while enhancing others.
- Sporty Crackles and Pops: Some of the best Audi S3 exhaust systems include features that create sporty crackles and pops during deceleration. This effect is typically a result of tuning the exhaust valves and using specific muffler designs that enhance the sound during gear shifts and throttle release.
- Versatility: The finest exhaust options offer adjustable sound characteristics, allowing drivers to customize their experience. This may include valve-controlled systems that can switch between a quieter, more refined mode and a louder, more aggressive setting depending on the driver’s preference.
Which Brands Are Renowned for Their Audi S3 Exhaust Systems?
Several brands are recognized for producing high-quality exhaust systems specifically for the Audi S3.
- AWE Tuning: Known for their exceptional engineering and performance, AWE Tuning offers exhaust systems that enhance both sound and power.
- Milltek Sport: Milltek Sport is celebrated for its innovative designs that provide a refined sound while maintaining optimal flow for performance gains.
- Remus: Remus focuses on delivering a sporty exhaust note combined with high-quality materials, ensuring longevity and performance improvements.
- MagnaFlow: MagnaFlow is recognized for its extensive range of performance exhaust systems, emphasizing deep, aggressive tones that appeal to enthusiasts.
- Capristo: Capristo is a premium brand that offers bespoke exhaust solutions, often featuring adjustable sound options for a customizable driving experience.
AWE Tuning is a leading name in the aftermarket exhaust industry, particularly for Audi vehicles. Their exhaust systems are designed to provide a significant boost in performance while creating a distinctive and aggressive sound profile that many Audi S3 owners seek. The use of high-quality materials ensures durability and longevity, making it a popular choice among enthusiasts.
Milltek Sport is renowned for its carefully crafted exhaust systems that focus on both aesthetics and sound quality. Their designs often incorporate a unique blend of performance enhancements and a refined tone, appealing to those who desire a sophisticated yet sporty driving experience. Additionally, they provide options for various configurations to cater to different driving styles.
Remus is another notable brand that prides itself on producing exhaust systems that not only improve performance but also deliver a captivating sound. Their exhausts are engineered with precision, utilizing high-grade materials that contribute to their durability. Many users appreciate the balance of aggressive sound without being overly intrusive, making them suitable for daily driving.
MagnaFlow has built a strong reputation for its extensive product lineup that caters to a variety of vehicles, including the Audi S3. Their exhaust systems are designed to enhance power and throttle response while producing a deep, aggressive exhaust note that is favored by many performance enthusiasts. The brand’s commitment to quality ensures that their systems can withstand the rigors of performance driving.
Capristo is considered a premium option in the exhaust market, known for their innovative designs and high-quality craftsmanship. Their systems often feature adjustable valves, allowing drivers to tailor the sound of their exhaust to their liking. This flexibility, combined with exceptional performance gains, makes Capristo a desirable choice for those looking to personalize their Audi S3 experience.
What Unique Features Do Popular Brands Offer for Audi S3 Exhaust?
Popular brands offer a variety of unique features for Audi S3 exhaust systems that enhance performance, sound, and aesthetics.
- Milltek Sport: Known for its high-quality stainless steel construction, Milltek Sport offers a range of exhaust systems that provide a deep, aggressive sound while improving exhaust flow. Their systems are designed to be bolt-on, meaning easy installation without extensive modifications.
- AWE Tuning: AWE Tuning exhaust systems are celebrated for their sophisticated design and innovative drone-canceling technology, which minimizes unwanted cabin noise while delivering a sporty sound. Their modular options allow customization in both sound and performance, catering to individual driver preferences.
- Remus: Remus exhausts are engineered for performance enhancement, offering increased horsepower and torque. With a focus on weight reduction and a distinct sound profile, Remus provides options that not only perform well but also add a stylish touch to the vehicle’s rear end.
- APR: APR focuses on optimizing the vehicle’s performance with their exhaust systems, which are designed to enhance turbo sound and overall engine efficiency. Their products often come with high-flow catalytic converters, contributing to improved emissions and performance.
- Borla: Borla exhaust systems are famous for their patented “Borla Sound,” which provides a unique, aggressive tone without excessive cabin noise. Their use of high-quality materials and advanced engineering techniques ensures durability and a long lifespan, making them a popular choice among enthusiasts.
How Difficult Is the Installation Process for an Audi S3 Exhaust System?
The installation process for an Audi S3 exhaust system can vary in difficulty based on several factors.
- Experience Level: The skill level of the installer plays a significant role in the difficulty of the installation.
- Type of Exhaust System: Different exhaust systems (cat-back, turbo-back, etc.) have varying complexities in installation.
- Tools Required: The availability and type of tools can make the installation easier or more challenging.
- Vehicle Condition: The condition of the vehicle, including rust and previous modifications, can affect the installation process.
- Instructions and Support: Availability of clear instructions and support can ease the installation process.
Experience Level: If the installer has prior experience with automotive modifications, especially with exhaust systems, the process will likely be smoother. A novice may struggle with certain technical aspects, leading to a more challenging installation.
Type of Exhaust System: Cat-back exhaust systems generally offer a simpler installation compared to turbo-back systems, which may require more extensive disassembly and adjustments. The complexity can also depend on the specific design of the system chosen.
Tools Required: Having the right tools, such as a lift, jack stands, and specialized wrenches, can make the installation much more manageable. Without appropriate tools, even a straightforward installation can become a daunting task.
Vehicle Condition: A vehicle with rusted or corroded parts can complicate the removal of the stock exhaust, making the installation process more difficult. If previous installations or modifications were poorly done, this could also lead to additional challenges.
Instructions and Support: Exhaust systems that come with detailed instructions or video guides can significantly ease the installation process. Additionally, support from online forums or communities can provide valuable tips and troubleshooting advice during the installation.
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