Top 15 Best Exhaust for Subaru WRX That Will Blow Minds!
Choosing the right exhaust system can make a noticeable difference in your Subaru WRX’s performance and sound. Many WRX drivers want an upgrade that improves horsepower while offering a deeper, more aggressive tone without compromising daily drivability. The best exhaust for Subaru WRX combines quality materials, precise engineering, and a fit designed specifically for this model.
It is ideal for those who want enhanced engine flow, reduced weight, and a balanced exhaust note. This review will cover several leading options, focusing on build quality, sound characteristics, ease of installation, and overall value.
Whether you are looking to improve your car’s responsiveness or simply want a more refined exhaust sound, the following insights will help you make an informed choice.
Top Picks to Boost Performance and Sound for Your Subaru WRX
| Image | Product | Price |
|---|---|---|
Our Selected Top 1 ![]() | Invidia HS15STIGM4ST Exhaust System (Back Exhaust2015+ Subaru WRX/Sti Gemini/R400 Single | Check Price Now |
Our Selected Top 2 ![]() | BORLA 140595 Cat-Back Perf. Exhaust Sys. for 2015-2021 Subaru Impreza | Check Price Now |
Our Selected Top 3 ![]() | Invidia (HS15STIG3S) Q300 Rolled Stainless Steel Quad Tip Cat-Back Exhaust | Check Price Now |
1. Invidia HS15STIGM4ST Exhaust System (Back Exhaust2015+ Subaru WRX/Sti Gemini/R400 Single

Enhance your 2015+ Subaru WRX or STI with the Invidia HS15STIGM4ST Exhaust System. Designed to improve power and sound, this back exhaust upgrade offers a noticeable boost over the stock setup.
Combining style and function, the system features a single layer quad titanium tip that adds a sporty flair. Its construction uses a large 4-inch stainless-steel Bell mount, which helps optimize gas flow and engine output. The upgrade not only improves performance but also enhances the driving experience by producing an exhilarating exhaust note without excessive drone.
The upgrade not only improves performance but also enhances the driving experience by producing an exhilarating exhaust note without excessive drone.
The Invidia back exhaust can deliver several horsepower gains, as confirmed by dyno tests. It provides a smooth flow that reduces exhaust back pressure, enabling your engine to breathe better. This translates into improved throttle response and a more engaging drive.
Manufactured with premium materials, the system promises durability and resistance against corrosion. Installation is straightforward with included automotive exhaust gaskets, ensuring a proper fitment and sealing.
This exhaust suits Subaru WRX and STI owners seeking a reliable and powerful upgrade. While some competitors focus solely on appearance, this system balances sound, performance, and build quality.
Pros
- Significant horsepower gains over factory exhaust
- Durable stainless steel construction with titanium tips
- Improved exhaust flow for better throttle response
Cons
- Installation may require professional assistance for best results
The Invidia HS15STIGM4ST Exhaust System offers a compelling upgrade that blends performance and aesthetic appeal. Its quality components and thoughtful design make it an excellent addition to any 2015+ Subaru WRX or STI. Compared to other exhaust options, it excels in producing power and sound without overcomplicating installation.
Compared to other exhaust options, it excels in producing power and sound without overcomplicating installation.
| Specification | Details |
|---|---|
| Brand Name | Invidia |
| Model Number | HS15STIGM4ST |
| Manufacturer Part Number | HS15STIGM4ST |
| Item Type | Back Exhaust |
| Compatible Vehicle | 2015+ Subaru WRX / STI |
| Material | Stainless Steel with Titanium Tip |
| Included Components | Automotive Exhaust Gaskets |
| Item Weight | 49.5 Pounds |
For drivers seeking a mileage-friendly exhaust enhancement, this system offers both style and function. Its balance of performance gains with quality sound makes it a worthwhile investment for daily driving or spirited weekend runs.
The titanium tip delivers a distinctive look that stands out without being overly flashy.
2. BORLA 140595 Cat-Back Perf. Exhaust Sys. for 2015-2021 Subaru Impreza

Enhance your Subaru Impreza’s performance and sound with the BORLA 140595 Cat-Back Performance Exhaust System. Designed specifically for 2015-2021 models, this exhaust system offers a perfect blend of durability and aggressive tone for an improved driving experience. Enjoy a noticeable boost in exhaust flow while maintaining a refined exhaust note.
Enjoy a noticeable boost in exhaust flow while maintaining a refined exhaust note.
Crafted from premium materials, this system is engineered to fit seamlessly with your vehicle. It ensures an impressive upgrade over the stock exhaust without compromising street legality or daily drivability.
The BORLA 140595 Cat-Back exhaust system features T-304 stainless steel construction, which provides exceptional resistance to corrosion and wear. Precision welded throughout, it guarantees a robust and long-lasting build. Installation is straightforward with a bolt-on design, eliminating the need for cutting or welding.
Performance improvements result from optimized exhaust flow, reducing backpressure and enhancing engine efficiency. The system delivers a deep, aggressive sound without causing drone during highway cruising.
This exhaust is an excellent choice for those seeking a balance between power, sound, and reliability.
Manufactured in the USA, it meets strict quality standards and ensures consistent fitment. Designed for Subaru Impreza drivers who want to upgrade their vehicle’s exhaust system with minimal hassle, it stands out among competitors for its durability and tonal quality.
Pros
- Durable T-304 stainless steel with all-welded construction
- Simple bolt-on installation with no cutting required
- Offers aggressive exhaust sound without annoying drone
Cons
- Heavier than some aftermarket options, weighing 48 pounds
Overall, the BORLA 140595 Cat-Back system provides a reliable and effective upgrade for Subaru Impreza owners who want to improve performance and exhaust tone. It combines durable materials with a thoughtful design to deliver tangible benefits and driving enjoyment.
| Specification | Details |
|---|---|
| Brand Name | Borla |
| Manufacturer Part Number | 140595 |
| Material | T-304 Stainless Steel |
| Installation | Bolt On |
| Construction | All Welded |
| Fitment Years | 2015-2021 Subaru Impreza |
| Item Weight | 48 Pounds |
| Country of Manufacture | USA |
Compared to other exhaust options for the Subaru WRX, this Borla system offers a solid balance of sound quality and craftsmanship. It’s well suited for drivers prioritizing durability and a refinement that eliminates unwanted cabin noise. Choosing this setup can be a valuable upgrade for both daily driving and spirited weekend outings.
3. Invidia (HS15STIG3S) Q300 Rolled Stainless Steel Quad Tip Cat-Back Exhaust

Upgrade your Subaru WRX or STI with a cat-back exhaust system built for outstanding performance and style. The Invidia Q300 Rolled Stainless Steel Quad Tip Cat-Back Exhaust delivers a perfect blend of power and sound tailored for drives that demand more excitement. Experience enhanced throttle response and that deep sporty tone that transforms every ride.
Crafted to fit 2015 and newer Subaru WRX/STI 4-door models, this exhaust maximizes exhaust flow through a 3-inch pipe, while its 3-inch quad rolled tips add aggressive aesthetics.
The flat-bottom muffler enhances aerodynamic efficiency at higher speeds, contributing to noticeable horsepower and torque gains. This exhaust promises not only improved performance but also a refined sound profile that isn’t overly loud yet sounds thrilling.
Easy to install, it suits drivers looking to boost performance without sacrificing daily drivability or comfort. The durable materials ensure long-lasting resistance to corrosion, making it a reliable upgrade for seasons to come.
Pros
- Durable SUS304 stainless steel with precision welding for longevity
- Improved horsepower and torque with aerodynamic muffler design
- Sporty but refined quad rolled tips enhance appearance and sound quality
Cons
- Installation may require professional assistance for best fit
The Invidia Q300 Cat-Back Exhaust is a solid choice for Subaru WRX/STI owners wanting to upgrade sound and performance without compromise. Its strong build and tuned design complement aggressive driving styles and everyday use alike.
Below are the detailed specifications for quick reference.
| Specification | Details |
|---|---|
| Manufacturer | Invidia |
| Model Number | HS15STIG3S |
| Fitment | 2015 and up Subaru WRX/STI 4 Door |
| Pipe Size | 76mm (3″) |
| Tip Size | 110mm (4.3″) Quad Rolled Stainless Steel |
| Material | SUS304 Stainless Steel |
| Weight | 5 pounds |
For drivers seeking a balance between aggressive sound and performance enhancement, this exhaust stands out in its category. While professional installation can ensure a perfect fit, the exhaust’s durability and sound payoff make it worth the investment.
4. TOMEI Full Titanium Muffler Kit Compatible with Subaru WRX 2022+

Enhance your Subaru WRX 2022+ with a muffler designed for both style and performance. Crafted entirely from titanium, this muffler kit offers remarkable weight savings and durability compared to conventional materials.
Its Type-R single exit layout not only refines the overall look of your vehicle but also improves exhaust flow, contributing to enhanced engine responsiveness. A perfect fitment for the FA24DIT engine ensures a smooth upgrade experience with all hardware included.
Engineered specifically for the Subaru WRX 2022 and newer models, this full titanium muffler kit blends lightweight construction with robust performance. The high-grade titanium material delivers exceptional resistance to corrosion and heat, offering long-lasting reliability under demanding conditions.
Its precision design supports improved exhaust flow, resulting in sharper throttle response and a more aggressive engine sound without overwhelming cabin noise.
Installation is straightforward, thanks to its direct fit configuration tailored to the vehicle’s stock mounting points. No additional modifications or adjustments are needed, making it ideal for those seeking hassle-free upgrades. The sleek single exit Type-R design elevates the rear appearance of the WRX, providing a sporty yet refined finish.
The sleek single exit Type-R design elevates the rear appearance of the WRX, providing a sporty yet refined finish. Enthusiasts will appreciate the balance of sound, weight reduction, and durability, making it suitable for both street driving and spirited runs.
This muffler kit stands out among similar options by combining lightweight titanium with engineered performance tuning, offering a comprehensive exhaust upgrade. Its design supports not only aesthetic gains but functional advantages such as quicker engine response and reduced backpressure. Overall, it aligns well with drivers who prioritize quality, fitment, and enhanced acoustic character in their performance modifications.
Pros
- Premium full titanium construction for weight savings and durability
- Sleek Type-R single exit design enhances vehicle aesthetics
- Direct fit application with all necessary hardware included
Cons
- Higher price point compared to standard mufflers
This titanium muffler kit offers a refined blend of style, sound, and performance specifically tailored for the Subaru WRX 2022 and newer. Its quality materials and precise engineering provide lasting value for drivers aiming to upgrade their exhaust without compromises.
| Specification | Details |
|---|---|
| Compatibility | Subaru WRX 2022+ (FA24DIT Engine) |
| Material | Full Titanium |
| Design | Type-R Single Exit |
| Inlet Connection Size | 3.15 Inches |
| Outlet Connection Size | 3.51 Inches |
| Installation | Direct Fit with Included Hardware |
In my experience, this muffler kit stands out for its precise fit and impressive sound quality. While it carries a premium cost, the weight reduction and build quality justify the investment for anyone serious about enhancing their WRX’s exhaust system. It offers a noticeable performance edge over standard replacements and complements the sporty character of the vehicle nicely.
It offers a noticeable performance edge over standard replacements and complements the sporty character of the vehicle nicely.
5. Tomei Full Titanium Muffler Kit Compatible with 2008-14 WRX EJ,

Enhance your Subaru WRX experience with the Tomei Full Titanium Muffler Kit designed for models from 2008 to Crafted for durability and lightness, this muffler kit delivers impressive performance gains and a strikingly reduced weight compared to stock systems. Owners seeking a powerful yet efficient exhaust upgrade will find this kit meets high expectations.
Not only does it fit WRX EJ sedans along with STI EJ sedans and WRX FA20DIT models, but it also offers a durable construction built entirely from premium titanium. This ensures it withstands rigorous driving conditions without compromising on longevity. The substantial weight reduction of over 35 pounds improves vehicle handling and acceleration noticeably.
The Tomei Full Titanium Muffler Kit represents a significant advancement over factory exhaust systems. The full titanium build balances strength with remarkable lightness, making it ideal for those focused on race-level performance or spirited street driving.
Installation is straightforward thanks to the included hardware, facilitating a bolt-on fit that minimizes effort and downtime.
Performance gains extend beyond weight savings. The exhaust note produced is aggressive yet refined, adding character without becoming overwhelming during regular driving situations. Its compatibility with various WRX and STI models broadens its appeal across Subaru fans looking to upgrade their vehicle’s sound and efficiency.
Compared to similar systems, this muffler kit excels by offering premium material quality and visible performance benefits. It suits drivers who prioritize both engineering excellence and practical improvements in exhaust responsiveness. The kit stands out for its race-inspired construction, making it a solid choice for anyone upgrading their Subaru WRX exhaust system.
The kit stands out for its race-inspired construction, making it a solid choice for anyone upgrading their Subaru WRX exhaust system.
Pros
- Significant weight reduction of over 35 pounds compared to stock exhaust
- Manufactured entirely from high-quality titanium for durability and lightness
- Includes all necessary hardware for easy bolt-on installation
Cons
- Premium construction reflects specialized use, which may be more than needed for casual drivers
Choosing the Tomei Full Titanium Muffler Kit is a smart step for Subaru WRX owners aiming to reduce drivetrain weight and improve exhaust performance. The lightweight titanium construction and precise fitment make it a reliable upgrade for spirited driving. Below is a detailed specification table to assist with further evaluation.
Below is a detailed specification table to assist with further evaluation.
| Specification | Details |
|---|---|
| Compatibility | 2008-14 WRX EJ sedan, 2011-21 STI EJ sedan, 2015-21 WRX FA20DIT |
| Material | Full Titanium |
| Weight | Approximately 16 lbs total |
| Installation | Bolt-on, hardware included |
| Manufacturer | Tomei |
For enthusiasts who value a top-tier exhaust system, this muffler kit blends precision engineering with a lightweight design. It delivers a dynamic driving experience without adding unnecessary bulk.
6. PHILTOP Cat-Back System, Stainless Steel Cat Back Exhaust System Fit

Upgrade your driving experience with the PHILTOP Cat-Back System, designed specifically for the 2015-2017 Subaru WRX and WRX STI models. Crafted with precision and durability in mind, this exhaust system combines performance and style to enhance your vehicle’s capabilities.
Engineered to stand the test of time, it offers a perfect blend of power enhancement and sound quality, refining your Subaru’s exhaust note while boosting efficiency and longevity.
The PHILTOP Cat-Back System features high-quality T-304 stainless steel construction, ensuring resistance to corrosion and maintaining strength on every curve and bend. The exhaust’s computerized mandrel bends provide smooth airflow, reducing back pressure effectively.
Performance upgrades include larger pipes, low-restriction mufflers, and finely tuned resonators. These elements work together to lower exhaust backpressure, which can improve engine output and produce a more aggressive, yet refined sound profile.
Installation is straightforward, allowing for direct bolt-on fitment with no modifications or drilling required. The kit includes all necessary gaskets and hardware to simplify the process.
Pros
- Durable T-304 stainless steel construction resists corrosion.
- Improves exhaust flow with mandrel-bent pipes and low-restriction mufflers.
- Direct bolt-on installation with included gaskets and hardware.
Cons
- May produce louder exhaust sound which might not suit all driving environments.
The PHILTOP Cat-Back System offers a durable and effective upgrade for Subaru WRX owners who want improved performance and an enhanced exhaust tone. Its build quality and ease of installation make it a practical choice for those who value both function and form. This system delivers solid value without complexity.
This system delivers solid value without complexity.
| Specification | Details |
|---|---|
| Manufacturer | PHILTOP |
| Brand | PHILTOP |
| Model | Cat-Back Systems |
| Weight | 26.2 pounds |
| Product Dimensions | 45.67 x 9.06 x 17.32 inches |
| Item Model Number | Cat-Back Systems |
| Exterior | Polished |
| Manufacturer Part Number | 8927ESK062FUS |
| OEM Part Number | Cat-Back Systems |
This exhaust system fits smoothly with no extra modifications needed, making it a convenient upgrade. Many owners appreciate the noticeable improvement in exhaust tone and performance boost it provides.
7. Invidia (HS11STIGTT) N1 Twin Outlet Single Layer Cat-Back Exhaust System

Enhance your Subaru WRX/STI experience with the Invidia N1 Twin Outlet Cat-Back Exhaust System. Designed specifically for 2008 and up models, it elevates both the sound and performance of your vehicle.
Precision engineering offers a distinctive tone while boosting exhaust flow for improved power delivery.
Featuring a 76-millimeter piping diameter and 101-millimeter twin outlets, this system combines aggressive styling with efficient design. The lightweight construction supports better throttle response without sacrificing durability.
A solid choice for drivers seeking a balance between noise, power, and craftsmanship.
The Invidia N1 Cat-Back Exhaust System provides a seamless fit that maintains factory alignment. Constructed from high-quality materials, it resists corrosion and heat damage, promising long-term reliability.
Installation is straightforward, requiring no major modifications, which makes upgrading hassle-free.
Performance gains come from optimized exhaust flow, reducing backpressure for more horsepower and torque. The signature deep and aggressive exhaust note enhances driving enjoyment without becoming overwhelming.
The 47-pound weight shows a balance of durable construction without excessive heft, aiding in overall vehicle handling. Perfect for drivers aiming to improve their Subaru’s sound and power, while keeping a clean, factory-like appearance.
A smart upgrade option for both daily drives and spirited cruising.
Pros
- Precision fit for Subaru WRX/STI 2008 and newer models
- Enhances exhaust flow with 76mm piping for better performance
- Durable construction resists corrosion and heat wear
Cons
- Premium quality comes with heavier weight compared to ultra-light options
Offering a powerful upgrade to your Subaru WRX/STI, the Invidia N1 Twin Outlet Cat-Back Exhaust System blends performance with style. Its balance of sound, durability, and ease of installation makes it a compelling choice for many drivers.
| Specification | Details |
|---|---|
| Compatibility | Subaru WRX/STI 2008 and newer |
| Piping Diameter | 76 millimeters |
| Exhaust Tip Size | 101 millimeters (Twin Outlet) |
| Item Weight | 47 Pounds |
| Material | Corrosion-resistant alloy (single layer) |
Compared to competing cat-back systems, this Invidia model provides a well-rounded performance upgrade without aggressive drone. It fits well with other modifications and suits drivers who desire a sporty sound paired with durability.
8. REV9 CB-083 FlowMaxx Stainless Steel Cat-back Exhaust Quad-tip system for

Elevate your Subaru WRX’s performance with the REV9 CB-083 FlowMaxx Stainless Steel Cat-back Exhaust Quad-tip system. Designed to offer a perfect fit for model years 2022 through 2025, this exhaust manages to enhance both sound and efficiency without compromising emission standards. It brings a refined driving experience that balances power and everyday comfort.
It brings a refined driving experience that balances power and everyday comfort.
Crafted from polished stainless steel, the system features double-walled quad tips that not only look striking but also improve exhaust flow. Installation is straightforward due to its direct fit design, ensuring minimal hassle for vehicle owners seeking an upgrade.
REV9’s cat-back exhaust improves exhaust flow significantly, delivering a richer sound while also reducing unwanted noise for daily driving comfort. The system is engineered to fit downstream of the catalytic converter, which means no changes to the emission control equipment are necessary. As a result, it meets CARB legal standards, making it a responsible choice for emission compliance.
The high-quality stainless steel construction promises durability and resistance to corrosion over time, creating a long-lasting upgrade for your vehicle. It is ideal for Subaru WRX drivers who want a balance between performance enhancement and maintaining legal emission limits without extensive modifications.
Installing this exhaust will require no complex adjustments thanks to the tailored fit for all trims from 2022 to The 5-inch inlet and outlet paired with
5-inch quad tips add a bold visual while optimizing exhaust flow for improved responsiveness and sound.
Pros
- Direct fit for Subaru WRX models from 2022 to 2025 ensures easy installation
- Polished stainless steel with double-walled quad tips for enhanced durability and style
- Maintains CARB legality by fitting downstream of the catalytic converter without modifications
Cons
- Limited warranty duration compared to some other aftermarket exhaust brands
The REV9 FlowMaxx exhaust system provides a solid performance boost paired with a quieter, more refined tone that suits both daily driving and spirited runs. Its compliance with emission laws is an added advantage for those who want upgrades without legal concerns.
| Specification | Details |
|---|---|
| Brand Name | REV9 |
| Model Number | CB-083 FlowMaxx |
| Compatibility | Subaru WRX (VB) 2022-2025 All Trims |
| Material | Polished Stainless Steel |
| Tip Size | 3.5 inches, Double-walled Quad Tip |
| Pipe Diameter (Inlet/Outlet) | 2.5 inches |
| Installation | Direct bolt-on fit, no modifications needed |
| Emission Compliance | CARB legal by design (No emission control modifications) |
In my view, the REV9 FlowMaxx exhaust system is an excellent choice for WRX owners wanting both style and substance. It offers performance upgrades without the hassle of complex installation or emission concerns. Compared to other options, it strikes a great middle ground, delivering quality and compliance in one package.
Compared to other options, it strikes a great middle ground, delivering quality and compliance in one package.
9. AWE Tuning Track Edition Cat-Back Exhaust for 2011-2018 Subaru WRX/STI

Upgrade your Subaru WRX or STI with the AWE Tuning Track Edition Cat-Back Exhaust. Crafted specifically for models from 2011 to 2018, this exhaust system offers a perfect balance of aggressive sound and improved performance. It is designed for drivers seeking a distinct and powerful exhaust note without compromising everyday drivability.
The Track Edition delivers a robust and refined tone that enhances the driving experience. Its precise engineering targets VR and GV models, ensuring seamless fitment and compatibility. Crafted from premium materials, the exhaust system promises durability while resisting corrosion and wear over time.
Installing the AWE Tuning Cat-Back Exhaust upgrades your vehicle’s sound profile with a deep yet controlled tone. The mandrel-bent stainless steel pipes reduce restrictions for better exhaust flow.
The system features a unique valve design allowing drivers to modulate sound levels, adapting to various driving environments. This valve can be controlled easily, providing quieter operation during regular driving and louder notes when desired.
The exhaust bolts directly to the factory headers, simplifying installation without modifications.
Its build quality is exceptional, with TIG welding offering robust connections that withstand high temperatures. This exhaust is ideal for WRX/STI owners looking to improve sound quality, performance, and aesthetics in one upgrade. Compared to other exhaust options, the Track Edition stands out for its adjustable sound and precise craftsmanship, adding value to any Subaru enthusiast’s garage.
Pros
- Adjustable valve for customizable sound levels
- High-quality stainless steel construction with mandrel bends
- Direct bolt-on fitment for easy installation
Cons
- Heavier compared to some lighter aftermarket exhausts
For Subaru WRX and STI drivers focused on enhancing exhaust tone and performance, this Track Edition Cat-Back Exhaust offers excellent quality and customization. Its robust design and ease of installation make it a solid choice for street or track use.
| Specification | Details |
|---|---|
| Compatibility | 2011-2018 Subaru WRX/STI (VA / GV models) |
| Construction | Stainless Steel with Mandrel Bends |
| Installation | Direct Bolt-On, No Modifications Required |
| Exhaust Type | Cat-Back |
| Dimensions | 48 x 24 x 14 inches |
| Weight | 58 Pounds |
| Sound Control | Valve-Controlled Adjustable Sound Levels |
Based on performance and build, this exhaust elevates both the auditory and driving experience of the Subaru WRX/STI. It stands apart from basic bolt-on exhausts by offering sound flexibility and robust materials. For anyone aiming to upgrade their Subaru, this system blends style, sound, and function effectively.
For anyone aiming to upgrade their Subaru, this system blends style, sound, and function effectively.
10. DNA MOTORING CBE-WRX15-D Stainless Steel Cat Back Exhaust System [Compatible

Upgrade your Subaru WRX with a premium exhaust system designed for enhanced performance and sound. The DNA MOTORING Stainless Steel Cat Back Exhaust System brings a blend of durable construction and dynamic audio appeal to your vehicle.
Experience a noticeable boost in horsepower and torque while enjoying a deep, aggressive exhaust tone. This system offers a refined upgrade tailored for Subaru WRX and STI models from 2015 to
Constructed from high-quality T-304 stainless steel, this catback exhaust promises long-lasting durability and resistance to corrosion. Mandrel-bent piping ensures smooth exhaust flow, which plays a critical role in improving engine output. The CNC-machined flange with TIG welding adds strength, reducing the chances of leaks even under high pressure.
The CNC-machined flange with TIG welding adds strength, reducing the chances of leaks even under high pressure.
The exhaust system is engineered to increase power by 15 to 25 horsepower, especially boosting low-end torque. It features a 4-inch muffler tip with a removable silencer, offering flexibility between sound preferences and noise regulations.
5-inch inlet and main piping provide a balanced flow for reduced back pressure.
Designed to replace the factory exhaust, the system incorporates low-restriction mufflers and tuned resonators. This setup not only improves performance but delivers a smooth, aggressive exhaust note without being overwhelming. Installation is straightforward with included hardware and gaskets to achieve a precise fit.
Installation is straightforward with included hardware and gaskets to achieve a precise fit.
Ideal for Subaru WRX and STI sedan owners seeking a reliable performance upgrade, this exhaust system balances sound enhancement and engine efficiency. It stands out compared to other catback options by combining quality materials with dyno-proven power gains.
Pros
- Durable T-304 stainless steel construction resists corrosion.
- Increases horsepower and torque by up to 25 hp.
- Removable silencer offers customizable exhaust sound.
Cons
- Sound level may be too aggressive for some users without the silencer.
Combining performance enhancements with strong build quality, the DNA MOTORING Cat Back Exhaust System offers a meaningful upgrade for 2015-2017 Subaru WRX and STI sedans. Its tailored design supports smooth exhaust flow and provides a rich, sporty tone that many drivers will appreciate.
| Specification | Details |
|---|---|
| Brand | DNA MOTORING |
| Model Number | CBE-WRX15-D |
| Compatibility | 2015-2017 Subaru WRX & STI Sedan |
| Material | T-304 Stainless Steel |
| Muffler Tip Diameter | 4 inches (with removable silencer) |
| Piping Diameter |
This exhaust system delivers clean lines and robust engineering to improve your car’s sound and performance without unnecessary complexity. For Subaru owners valuing a reliable upgrade that brings both power and style, it’s a solid choice offering measurable benefits.
11. Tomei Full Titanium Muffler Kit Compatible with Subaru WRX/STI GV/VA

Experience enhanced performance and a dynamic sound with the Tomei Full Titanium Muffler Kit. Designed to perfectly fit Subaru WRX/STI GV and VA models, it combines lightweight strength with engineered precision.
This muffler transforms your vehicle’s exhaust system while maintaining durability and style.
Constructed entirely from premium titanium, it offers outstanding resistance to heat and corrosion. The dual outlet design not only balances exhaust flow but also delivers a distinctive sporty tone that heightens driving excitement. Precision manufacturing ensures a direct fit on EJ20, EJ25, and FA20DIT engines without any need for modifications.
The muffler is part of the EXPREME Ti series from Tomei, crafted to improve exhaust gas flow for better engine response and increased power delivery. Its lightweight nature reduces overall vehicle weight, benefiting handling and acceleration.
Installation is straightforward since the muffler matches exact inlet and outlet sizes.
Tomei’s careful attention to detail extends to the muffler’s build quality, promising long-lasting performance under demanding driving conditions. It’s designed for drivers who desire both improved power and an aggressive exhaust note. This kit offers a strong upgrade path that enhances your Subaru’s character without sacrificing reliability.
This kit offers a strong upgrade path that enhances your Subaru’s character without sacrificing reliability.
Compared to many aftermarket exhaust systems, this titanium option stands out for its material excellence and fitment precision. It offers notable advantages over standard stainless steel alternatives, delivering premium durability and a unique sound profile suited for Subaru WRX and STI models.
Pros
- Lightweight full titanium construction for heat resistance and durability
- Dual outlet design providing balanced exhaust flow and sporty sound
- Perfect direct fit for EJ20, EJ25, and FA20DIT engines without modifications
Cons
- Premium build and materials come at a higher investment compared to standard mufflers
The Tomei Full Titanium Muffler Kit offers a significant performance and auditory upgrade for Subaru WRX and STI drivers. Its robust build and precision engineering make it a worthwhile addition to your vehicle’s exhaust system.
| Specification | Details |
|---|---|
| Compatibility | Subaru WRX/STI GV/VA models |
| Material | Full Titanium |
| Exhaust Design | Type-D Dual Outlet |
| Inlet Connection Size | 3.15 Inches |
| Outlet Connection Size | 3.51 Inches |
| Engine Compatibility | EJ20, EJ25, FA20DIT |
From my perspective, this muffler excels in merging performance gains with excellent sound quality. It fits perfectly and holds up well under spirited driving. Ideal for drivers seeking reliability, unique acoustics, and a lightweight upgrade.
12. Stainless Steel Cat Back Exhaust System with 3″ Outlet Rounded

Upgrade your Subaru WRX with a stainless steel cat back exhaust system designed for durability and performance. This exhaust system promises a robust sound while adding a sleek, stylish appearance to your vehicle’s rear.
Engineered for perfect compatibility, it fits Subaru WRX models from 2015 to 2020, including STI Sedans. The 3 dual exit outlet tips deliver an engaging tone without overwhelming noise.
The Stainless Steel Cat Back Exhaust System offers a combination of quality construction and enhanced audio experience. Crafted from high-quality stainless steel, it stands up well against wear and corrosion.
Its performance muffler design, paired with 3-inch dual exit tips, heightens the exhaust reverberation for a mellow yet deep and smooth sound that adds character to your driving. A burnt finish on the tips introduces a distinct visual flair, giving a modern and refined look to the car’s exhaust outlet.
Installation is straightforward, as the system is designed for direct fitment to applicable Subaru models. Users can attach components using exhaust clamps or opt for welding to achieve a more permanent and secure connection.
Ideal for drivers seeking to improve their WRX’s sound and appearance without compromising reliability, this exhaust system integrates seamlessly and offers satisfying performance gains. Compared to other aftermarket options, it stands out for its blend of durability, tone quality, and style.
Pros
- Constructed from premium stainless steel for lasting durability
- Enhances exhaust note with a smooth, deep tone
- Direct-fit design simplifies installation process
Cons
- Requires welding for maximum durability, which may need professional tools
This cat back exhaust system balances style, sound, and sturdiness, making it a solid upgrade choice for 2015-2020 Subaru WRX and STI Sedan owners. Its straightforward fitment and distinctive muffler design bring both aesthetic and auditory improvements. Below is a quick glance at the specifications to assist with your decision.
| Specification | Details |
|---|---|
| Compatibility | 2015-2020 Subaru WRX & STI Sedan |
| Material | Stainless Steel |
| Inlet Diameter | 3 Inches |
| Outlet Diameter | 3 Inches with Dual Exit Tips |
| Weight | 37.7 Pounds |
| Includes | Muffler, gasket, pipe, tip, mounting hardware |
Its versatile design suits those aiming to subtly amplify their vehicle’s presence without excessive noise pollution. The sturdy build coupled with a crisp finish means that the exhaust system will not only sound great but continue to perform well over time. A commendable choice for WRX owners seeking quality and style in one package.
A commendable choice for WRX owners seeking quality and style in one package.
13. Invidia (HS15STIGTT) N1 Titanium Burnt Tip Dual Cat-Back Exhaust System

Experience enhanced performance and a striking visual upgrade with the Invidia N1 Titanium Burnt Tip Dual Cat-Back Exhaust System. Designed specifically for 2015 and newer Subaru WRX/STI 4-door models, it promises to elevate your driving experience.
Its unique burnt titanium tips add a distinctive touch to your vehicle’s rear aesthetics.
Built with precision and quality, this exhaust system not only improves exhaust flow but also delivers a commanding, aggressive sound. Perfect for drivers seeking both style and functionality in one package.
The Invidia N1 exhaust system features 3 mandrel-bent stainless steel piping. This design reduces back pressure, which can enhance engine efficiency and responsiveness. The use of SUS304 stainless steel ensures durability and resistance to corrosion over time.
The use of SUS304 stainless steel ensures durability and resistance to corrosion over time. Each flange is machined using CNC technology, providing a precise and secure fit that minimizes exhaust leaks.
The dual cat-back design channels exhaust gases effectively through twin outlets, which are capped with single-layer burnt titanium tips. These tips not only look impressive but also withstand high temperatures without discoloring prematurely. The polished finish adds a sleek, professional look under the rear bumper.
The polished finish adds a sleek, professional look under the rear bumper. Installation is straightforward, allowing for a relatively hassle-free upgrade.
Ideal for Subaru WRX/STI owners who want a high-quality upgrade that balances performance, sound, and style. It offers an upgrade over stock exhaust systems and some competitors by delivering a deep, sporty tone without excessive drone. The system appeals to those who want a durable product designed with attention to detail.
Pros
- Durable SUS304 stainless steel construction resists corrosion
- Mandrel-bent piping enhances exhaust flow for better performance
- Distinctive burnt titanium tips offer a unique and stylish appearance
Cons
- Weight is relatively heavier compared to some lightweight aftermarket exhausts
For Subaru WRX/STI drivers seeking a reliable and visually compelling exhaust upgrade, the Invidia N1 Titanium Burnt Tip system stands out. Its combination of robust build quality and well-delivered sound characteristics offers excellent value.
Compared to other exhausts, it strikes a fine balance between aggressive tone and everyday driving comfort.
| Specification | Details |
|---|---|
| Brand | Invidia |
| Model Number | HS15STIGTT |
| Fits | 2015 and Up Subaru WRX/STI 4 Door |
| Pipe Size | 76mm (3″) |
| Tip Size | 101mm (4″) |
| Material | SUS304 Stainless Steel with Titanium Tips |
| Weight | 47 Pounds |
| Exhaust Style | Dual Cat-Back |
Overall, the Invidia N1 exhaust system offers a high-quality upgrade for Subaru WRX/STI owners who value sound clarity and durability. Its standout titanium tips provide both style and longevity. This system equips your vehicle with a noticeable presence without overwhelming cabin noise, delivering a balanced and enjoyable ride.
This system equips your vehicle with a noticeable presence without overwhelming cabin noise, delivering a balanced and enjoyable ride.
14. Exhaust Pipe Kit Fit For Subaru WRX/STI 2015-2021,2015 2016 2017

Upgrade your Subaru WRX or STI (2015-2021) with a precisely crafted exhaust pipe kit designed to deliver reliable performance and durability. Engineered to offer superior resistance against corrosion, this component promises longevity without compromising functionality. Its seamless fit ensures hassle-free installation for a direct replacement.
Its seamless fit ensures hassle-free installation for a direct replacement.
The exhaust pipe kit enhances your vehicle’s efficiency by enabling smoother exhaust flow. Made from premium 304 stainless steel, its robust construction withstands harsh conditions and extreme temperatures effectively.
Designed to perfectly fit Subaru WRX and STI models from 2015 through 2021, the exhaust pipe kit marries durability with high-grade manufacturing standards. The high-quality stainless steel material resists rust and wear, maintaining optimal performance over time.
Installation is straightforward thanks to the exact dimensions crafted via CNC technology. The TIG welding technique creates strong, clean joints, preventing leaks and enhancing the lifespan of the exhaust system. Overall, the kit offers a dependable replacement that complements the original equipment’s specifications.
Ideal for WRX and STI owners looking to maintain or improve exhaust performance, this accessory fits seamlessly and supports the car’s engine efficiency. Its robust material and precise construction contribute to consistent sound quality and exhaust output. The comprehensive design makes it a practical choice for anyone prioritizing durability and performance over time.
Pros
- Durable 304 stainless steel resists corrosion and heat.
- Precise CNC shaping ensures perfect fit and sealing.
- Advanced TIG welding guarantees strong, leak-proof joints.
Cons
- Installation may require professional tools or expertise for best results.
This exhaust pipe kit offers excellent value by combining high-grade materials with precision engineering tailored for Subaru WRX/STI models. Its resistance to corrosion and exceptional build quality set it apart from many alternatives. While installation might need some mechanical knowledge, the product itself provides a reliable, long-lasting upgrade for your vehicle’s exhaust system.
| Specification | Details |
|---|---|
| Compatibility | Subaru WRX/STI 2015-2021 |
| Material | 304 Stainless Steel |
| Manufacturing Technology | TIG Welding and CNC Shaping |
| Condition | Brand-New, Unused |
| Manufacturer | Foshan Exhaust Technology |
| Warranty | 3-Year Manufacturer Warranty |
From my experience, this exhaust pipe kit strikes a fine balance between durability and performance. It stands up well against other options given its build quality and precise fit.
15. SRS Axleback Exhaust Compatible/Replacement for SUBARU WRX STI 2015-2021 Burnt

The SRS Axleback Exhaust for Subaru WRX STI models from 2015 to 2021 offers a perfect blend of style and performance. Designed with a direct bolt-on fit, it ensures a hassle-free installation that enhances your vehicle’s exhaust sound and appearance.
Made from full T-304 stainless steel, this axleback exhaust provides durability and corrosion resistance. The mandrel-bent tubing improves exhaust flow, contributing to a more aggressive tone and increased efficiency. Its distinctive burnt titanium tip adds a bold aesthetic that complements the sporty character of the WRX STI.
The SRS Axleback Exhaust delivers noticeable improvement by enhancing the vehicle’s exhaust note with a deep, aggressive tone. The direct bolt-on design means installation requires no modification, making it accessible for both professional installers and DIY users.
Constructed entirely from T-304 stainless steel, this component promises long-lasting resistance against rust and wear. Its compatibility with Subaru WRX and STI models built between 2015 and 2021 provides tailored fitment that aligns precisely with OEM specifications.
Notably, this system is not compatible with SPT exhausts, ensuring users select the correct setup for their vehicle.
The design and engineering originate from Japan, reflecting meticulous attention to detail and quality craftsmanship. Its combination of performance, durable materials, and distinctive styling offers excellent value for Subaru owners seeking a reliable exhaust upgrade.
Pros
- Direct bolt-on design for easy installation
- Full T-304 stainless steel construction ensures durability
- Mandrel bent tubing optimizes exhaust flow and sound quality
Cons
- Not compatible with SPT exhaust systems
Offering a solid upgrade for Subaru WRX STI models, this axleback exhaust effectively balances enhanced sound and durability. The construction quality and ease of fitment make it a strong choice among similar options available. This system supports enthusiasts and everyday drivers alike in improving their vehicle’s exhaust performance with minimal effort.
| Specification | Details |
|---|---|
| Brand Name | SR*S Tuning |
| Manufacturer Part Number | SRS-AXB-SUB1518BT |
| Compatibility | 2015-2021 Subaru WRX / STI (excludes SPT Exhaust) |
| Material | Full T-304 Stainless Steel |
| Design | Direct bolt-on, Mandrel bent tubing, Burnt titanium tip |
| Manufacturing Origin | Japan |
From my perspective, the SRS Axleback Exhaust represents a practical and stylish enhancement for Subaru WRX STI owners. Its quality build and performance gains stand out against some competitors that may require extensive modifications or lack the same material grade.
Top Exhausts for Subaru WRX: Ultimate Buying Guide 2024
Price and brand reputation
When choosing the best exhaust for Subaru WRX, balancing budget and premium options can make a significant difference in both performance and longevity. While budget-friendly exhaust systems provide decent improvements in sound and flow, premium options often deliver enhanced durability and refined engineering that can better complement the vehicle’s turbocharged engine. Warranty and customer support also play a key role since a reliable warranty offers peace of mind against manufacturing defects and installation issues, and responsive customer service can be invaluable for guidance or troubleshooting.
Warranty and customer support also play a key role since a reliable warranty offers peace of mind against manufacturing defects and installation issues, and responsive customer service can be invaluable for guidance or troubleshooting. Reading reviews and gathering community feedback can reveal real-world experiences, highlighting factors such as ease of installation, sound quality, and noticeable performance gains. Taking the time to compare these aspects will help make a well-informed decision that suits your driving style and long-term goals.
Material and durability
Choosing the right exhaust system for a Subaru WRX involves understanding the materials commonly used and their impact on performance and durability. Stainless steel is a popular choice due to its excellent corrosion resistance, which helps prevent rust over time, especially if the vehicle is exposed to wet or salty conditions.
Titanium offers a lighter alternative with impressive heat tolerance, making it ideal for high-performance setups where reducing weight and withstanding extreme temperatures are priorities. Carbon fiber, often seen in exhaust tips or heat shields, adds a sleek appearance while providing good heat resistance, although it is less common for the entire exhaust system and tends to be less durable than metals. Considering how these materials handle heat and exposure can help in selecting an exhaust that lasts longer and maintains performance, especially when used in spirited driving or racing environments.
When shopping for an exhaust, it’s helpful to think about the primary use of the vehicle, whether for daily driving, occasional track use, or aggressive performance, as this influences the importance of durability, weight, and resistance to corrosion.
Sound and performance
Choosing the right exhaust system for a Subaru WRX involves understanding how different components affect the exhaust note and sound levels. Many options vary in tone from deep and throaty to sharp and aggressive, allowing drivers to tailor the auditory experience to their preference.
Because the WRX is equipped with a turbocharged engine, compatibility with such forced induction setups is essential to maintain optimal engine performance and avoid issues like turbo lag or backpressure. When selecting an exhaust, consider materials like stainless steel for durability, the design of the piping for smooth exhaust flow, and whether the system supports emissions regulations.
These factors contribute to achieving a balance between impressive sound and performance gains suitable for daily driving or spirited weekend runs.
Fitment and compatibility
Choosing the right exhaust system for a Subaru WRX involves understanding how different options fit specific model years and configurations. Exhaust components vary to match the unique dimensions and engine setups of various WRX generations, so identifying the exact year and model ensures a proper fit without compatibility issues.
When deciding between catback and axleback exhaust systems, it’s helpful to know that catback systems replace the piping from the catalytic converter back to the exhaust tips, often providing a more noticeable performance boost and deeper sound. Axleback setups swap only the muffler and the tailpipe section, typically offering easier installation with less impact on overall engine output. Considering ease of installation is beneficial for those preferring a straightforward upgrade; many exhaust kits are designed for bolt-on installation that requires minimal or no modifications.
However, some systems might need additional adjustments or tuning to fit perfectly and maximize performance gains, so checking installation requirements before purchase can save time and effort. By focusing on compatibility with your WRX’s year and model, as well as the differences between catback and axleback options, you can select an exhaust system that meets your performance goals and fits your DIY skills or workshop capabilities.
Legal considerations and emissions
When selecting the best exhaust for Subaru WRX, considering legal considerations and emissions plays a significant role in making a responsible choice. Compliance with local noise regulations is necessary to avoid fines and ensure the vehicle remains street-legal. Many aftermarket exhaust systems offer varying sound levels, so matching the setup with allowed noise limits helps maintain harmony with neighborhood and city ordinances.
Emissions standards must also be respected, especially regarding catalytic converter requirements. Some exhaust systems remove or replace catalytic converters, which can lead to emission violations and might result in failed inspections or environmental penalties.
Maintaining or using approved catalytic converters preserves your WRX’s compliance with environmental laws and keeps the engine running efficiently. It is also advisable to check the impact on warranty and inspection policies, as some modifications can void certain manufacturer warranties or cause issues during annual vehicle inspections.
Overall, balancing performance upgrades with adherence to legal standards ensures enjoyable driving without unexpected legal troubles.
Additional features and accessories
Choosing the best exhaust for Subaru WRX involves paying attention to features that improve performance while fitting your driving needs and style. Look for options that include hardware and detailed installation guides to make the setup process smooth and straightforward. Adjustable sound levels or valves can be a valuable feature, allowing you to customize the exhaust noise from a subtle tone during daily driving to a more aggressive sound when desired.
Adjustable sound levels or valves can be a valuable feature, allowing you to customize the exhaust noise from a subtle tone during daily driving to a more aggressive sound when desired. Compatibility with aftermarket parts and tuning is another important aspect, as many WRX owners enhance their cars with upgraded components; ensuring the exhaust works seamlessly with these modifications can optimize overall performance. Evaluating these factors will help find an exhaust system that not only enhances power and sound but also integrates well with your Subaru WRX’s unique setup and your personal preferences.
People Also Asked
Which Brands Offer The Most Reliable And Durable Exhausts For Subaru Wrx Models?
Brands like Borla, Invidia, and Cobb offer some of the most reliable and durable exhaust systems for Subaru WRX models. Borla is known for its high-quality stainless steel construction and aggressive sound, providing both performance and longevity. Invidia exhausts are popular for their excellent fitment and balanced tone, enhancing both power and durability. Cobb also offers exhausts specifically tuned for the WRX, combining reliability with performance gains. These brands are trusted by enthusiasts for their proven track records, quality materials, and strong warranties, making them top choices for WRX owners seeking long-lasting exhaust systems.
How Much Does It Typically Cost To Install A High-Quality Exhaust System On A Subaru Wrx?
Installing a high-quality exhaust system on a Subaru WRX typically costs between $800 and $1,500. This price range includes the cost of premium aftermarket exhaust components, such as cat-back systems made from stainless steel, which enhance performance and sound. The exact cost depends on the brand, material, and whether the system includes headers or downpipes. Labor costs for professional installation usually add around $100 to $300, depending on the shop rates and complexity of the exhaust setup. Overall, investing in a reputable exhaust system can improve your WRX’s power and exhaust tone significantly.
What Are The Pros And Cons Of Cat-Back Vs. Axle-Back Exhaust Systems For A Subaru Wrx?
Cat-back exhaust systems for a Subaru WRX offer improved performance by replacing the pipe from the catalytic converter to the exhaust tip, enhancing horsepower and torque. They provide a more aggressive sound and better exhaust flow, often resulting in noticeable power gains. However, they tend to be more expensive and require more installation work compared to axle-back systems. Axle-back exhausts replace only the section from the rear axle to the exhaust tip, making them easier and cheaper to install. They primarily enhance the exhaust note without significant performance improvement. While axle-back systems offer a simpler upgrade for sound, they don’t boost power like cat-back setups do, making them ideal for drivers seeking better tone without major modifications.
How Does An Aftermarket Exhaust Affect The Sound And Horsepower Of A Subaru Wrx?
An aftermarket exhaust on a Subaru WRX typically enhances the engine sound by producing a deeper, more aggressive tone compared to the stock system. This is achieved through less restrictive piping and different muffler designs, which allow exhaust gases to flow more freely and result in a sportier exhaust note. In terms of horsepower, an aftermarket exhaust can improve performance by reducing backpressure, helping the engine breathe more efficiently. This can lead to modest gains in horsepower and torque, especially when paired with other modifications like intake upgrades or tuning. However, the exact power increase varies depending on the exhaust design and installation quality.
What Is The Best Exhaust System For Improving The Performance Of A Subaru Wrx?
The best exhaust system for improving the performance of a Subaru WRX is typically a cat-back exhaust. This system replaces the exhaust piping from the catalytic converter to the muffler, enhancing airflow and reducing backpressure. Popular brands like Cobb, Invidia, and Perrin offer high-quality cat-back systems designed specifically for the WRX, which help increase horsepower and torque while providing a more aggressive exhaust note. Additionally, upgrading to a high-flow catalytic converter or a turbo-back exhaust system can offer further performance gains. These options improve turbo efficiency by optimizing exhaust flow from the turbine housing to the rear, but they often require tuning to maximize benefits and maintain reliability.
Conclusion
Choosing the best exhaust for Subaru WRX can greatly enhance performance, sound, and overall driving experience. While some options offer aggressive tones and weight reduction, they may come with higher costs or increased noise levels that may not suit all drivers. Those seeking a balance between durability, improved horsepower, and a sportier sound will benefit most from carefully selecting an exhaust tailored to their driving style and preferences.
Those seeking a balance between durability, improved horsepower, and a sportier sound will benefit most from carefully selecting an exhaust tailored to their driving style and preferences. Any concerns about installation or compatibility are typically addressed by manufacturers with detailed guidance and support. Ultimately, the best exhaust for Subaru WRX depends on individual priorities, and evaluating features against personal needs will lead to a satisfying upgrade without compromising daily drivability.
