When searching for a catback exhaust for the Subaru WRX FA24, the goal is to find a system that boosts performance, enhances sound, and fits your budget. The Invidia HS02SW1GRT Titanium Single Layer Racing Cat-Back stands out as the best overall choice thanks to its lightweight titanium construction and aggressive tone. For a more budget-friendly option, the DNA MOTORING CBE-WRX02-BT Stainless Steel System offers solid performance at a lower price point. Meanwhile, the Borla ATAK Cat-Back appeals to enthusiasts seeking a premium, race-inspired sound. Each option balances tradeoffs like cost, sound level, and ease of installation. Continue reading for a detailed breakdown of these and the other top picks, to help you find the perfect fit for your FA24-powered WRX.
Get business pricing on garage and car supplies
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Complete the kit
Key Takeaways
- Performance gains vary significantly between stainless steel and titanium systems, with titanium generally offering better weight reduction and sound quality.
- Sound levels range from subtle to aggressive; choosing a system depends on whether you want a daily driver or a track-ready setup.
- Higher-end systems tend to be easier to install and include better materials, but come at a premium price.
- Compatibility with the FA24 engine is crucial; some older models or universals may require modifications.
- Tradeoffs between durability, sound, and cost are common; understanding your priorities helps narrow down choices.
| catback exhaust subaru wrx fa24 | Material |
|---|---|
| Invidia HS02SW1GRT Titanium Si | Titanium |
| Invidia HS15STIGM4ST Exhaust S | Stainless Steel, Titanium Tip |
| TurboXS WS02-RMA Exhaust Muffl | Polished Stainless |
| Replacement Stainless Steel Ex | Stainless Steel |
| BORLA 140595CB Cat-Back Perfor | T-304 Stainless Steel |
| KAX Cat Back Exhaust System Co | Stainless steel |
| DNA MOTORING CBE-WRX02-BT Stai | T-304 Stainless Steel |
| MBRP 2022+ Subaru WRX 3in Cat- | — |
| BORLA 140595 Cat-Back Performa | T-304 Stainless Steel |
| Replacement Stainless Steel Mu | Stainless Steel |
| AWE Track Edition Cat-Back Exh | — |
| Borla 22-24 Subaru WRX ATAK Ca | T-304 stainless steel |
| DNA Motoring CBE-WRX15-D Stain | T-304 Stainless Steel |
| Invidia Q300 Dual Cat-Back Exh | — |
| PHILTOP Cat-Back Exhaust Syste | — |
More Details on Our Top Picks
Invidia HS02SW1GRT Titanium Single Layer Racing Cat-Back Exhaust System for Subaru WRX STI
The Invidia HS02SW1GRT stands out for its lightweight titanium construction, which significantly reduces vehicle weight compared to steel options like the BORLA 140595CB. Designed specifically for 2002-2007 Subaru WRX and STI models, it enhances both sound and performance, making it ideal for those seeking a true racing feel. However, the premium price and potential installation complexity mean it’s best for dedicated enthusiasts rather than casual drivers. Compared to steel alternatives, titanium offers superior weight savings, but its higher cost might deter budget-conscious buyers. This pick is perfect for owners prioritizing performance and weight reduction over immediate affordability.Pros:- Lightweight titanium construction reduces overall vehicle weight
- Designed specifically for Subaru WRX/STI models for perfect fit
- Enhances exhaust sound and performance significantly
Cons:- High cost compared to stock or steel exhaust systems
- Installation may require professional help and specialized tools
Best for: Performance-focused Subaru WRX STI owners who want a lightweight, racing-grade exhaust upgrade
Not ideal for: Casual drivers or those on a strict budget, as titanium systems tend to be expensive and may require professional installation
- Material:Titanium
- Pipe Diameter:76 mm
- Tip Size:101 mm
- Item Weight:36.9 pounds
- Compatibility:2002-2007 Subaru WRX/STI
Our verdict“This exhaust is ideal for dedicated enthusiasts seeking ultimate weight savings and performance gains, despite its premium price.”
Invidia HS15STIGM4ST Exhaust System for 2015+ Subaru WRX/STi Gemini/R400 with Titanium Tip
The Invidia HS15STIGM4ST offers a solid balance of performance and convenience for 2015+ Subaru WRX and STI models. Its one-piece design with a quad titanium tip improves exhaust flow and adds a sporty aesthetic, making it a strong alternative to the more race-oriented titanium systems like the HS02SW1GRT. While it’s easier to install than some custom setups, its weight is heavier than titanium models, which could impact handling slightly. Compared to the BORLA, it provides a more aggressive look and flow but at a higher price and with some weight tradeoffs. This system suits owners who want a noticeable upgrade without the complexity of a full race exhaust.Pros:- Improves horsepower and exhaust flow for better performance
- Easy bolt-on design simplifies installation
- Features a durable titanium quad tip for a sporty look
Cons:- Heavier than titanium racing systems, affecting weight savings
- Installation may still require professional assistance
Best for: Owners of 2015+ Subaru WRX/STI seeking a performance boost with straightforward bolt-on installation
Not ideal for: Budget-conscious buyers or those seeking ultra-lightweight setups, as it’s heavier and possibly pricier than stock
- Material:Stainless Steel, Titanium Tip
- Item Weight:49.5 pounds
- Application:2015+ Subaru WRX/STi
- Included Components:Gaskets
- OEM Part Number:HS15STIGM4ST
Our verdict“This exhaust suits owners looking for a performance upgrade with a straightforward install and aggressive styling, though it sacrifices some weight savings.”
TurboXS WS02-RMA Exhaust Muffler Assembly for Subaru WRX STI, Rear
The TurboXS WS02-RMA is a focused upgrade that boosts exhaust flow for the Subaru WRX STI with a 4-inch piping and a polished stainless steel finish. It’s tailored for owners wanting a noticeable performance improvement and a polished look, but it lacks detailed info on sound characteristics or performance gains, making it less ideal for those seeking a comprehensive system. Unlike full cat-back setups, this muffler assembly is a component upgrade, so it won’t deliver the same sound or power benefits as complete systems like the Invidia HS15STIGM4ST. Its durability and polished finish are strong points, but it’s better suited as a part of a broader upgrade plan.Pros:- Improves exhaust flow and vehicle performance
- Polished stainless steel for durability and aesthetics
- Designed specifically for Subaru WRX STI
Cons:- Limited details on installation and sound
- No performance figures provided
Best for: Owners wanting a high-quality muffler upgrade that enhances appearance and flow for their STI
Not ideal for: Buyers seeking a full exhaust system or specific sound tuning, as this is just a muffler assembly
- Tip Style:Single
- Piping Diameter:4 inches
- Tip Diameter:3 inches
- Material:Polished Stainless
Our verdict“This muffler assembly is best for owners upgrading specific components, but it’s not a complete system for maximum performance gains.”
Replacement Stainless Steel Exhaust Muffler for 2015-2021 Subaru WRX STI
The Replacement Stainless Steel Exhaust Muffler provides a direct replacement for 2015-2021 Subaru WRX STI models, emphasizing quality and fitment. Its polished stainless steel double-wall quad tips give a premium appearance, comparable to the Invidia systems but with easier, straightforward installation. While it’s a solid choice for OEM-like upgrades, it doesn’t support aftermarket modifications or pairing with certain aftermarket parts like the SPT mid pipe. The hardware included simplifies the installation process, making it ideal for DIY enthusiasts or those needing a reliable, factory-matching replacement. It’s a practical upgrade for owners prioritizing fit and finish over extreme performance gains.Pros:- High-quality polished stainless steel construction
- Includes all necessary hardware for easy installation
- Tested for proper fitment and durability
Cons:- Limited compatibility with aftermarket exhaust components
- Not designed for performance tuning or sound customization
Best for: DIY owners seeking a high-quality, straightforward replacement muffler for their STI
Not ideal for: Owners seeking high-performance or racing exhaust systems, as this focuses on OEM replacement quality
- Material:Stainless Steel
- Tips:4-inch Double Wall Quad
- Package Includes:Hardware, Gaskets, Nuts & Bolts
- Fitment:2015-2021 Subaru WRX STI
Our verdict“This muffler replacement is ideal for owners wanting a reliable, OEM-quality upgrade with minimal hassle.”
BORLA 140595CB Cat-Back Performance Exhaust System for 2015-2021 Subaru Impreza WRX/WRX STI Sedan
The BORLA 140595CB offers a durable, all-welded stainless steel construction tailored for 2015-2021 Subaru Impreza WRX and STI sedans. Its classic BORLA sound appeals to those who want a refined yet aggressive exhaust note, making it suitable for daily drivers who enjoy a sporty sound. Compared to aftermarket systems like the Invidia, this bolt-on system emphasizes longevity and a consistent tone rather than maximum power gains. The limited model compatibility and lack of adjustable sound features mean it’s best for owners focused on reliability and sound quality over extreme performance modifications. It’s a solid choice for those wanting a hassle-free, durable upgrade with a distinct tone.Pros:- Durable stainless steel with all-welded construction
- Easy bolt-on installation
- Provides a classic, aggressive BORLA sound
Cons:- Limited compatibility — only for specific Subaru models
- No sound level customization or tuning options
Best for: Daily drivers and enthusiasts who prioritize sound quality and durability over maximum horsepower
Not ideal for: Owners seeking aggressive power gains or full race exhausts, as this system emphasizes sound and longevity
- Material:T-304 Stainless Steel
- Installation:Bolt-on
- Construction:All welded
- Compatible Vehicles:2015-2021 Subaru WRX/WRX STI Sedan
Our verdict“This system is best for owners wanting a reliable, durable exhaust with a signature BORLA sound for daily driving.”
KAX Cat Back Exhaust System Compatible with 2015-2017 Subaru WRX/WRX STI
This stainless steel cat-back exhaust stands out for its straightforward installation and corrosion resistance, making it a reliable choice for those seeking a durable upgrade without complex modifications. Compared to the BORLA system, it offers easier installation but lacks some of the refined finish and sound tuning. Its noise reduction and performance gains are noticeable, especially for daily drivers, but the limited info on warranty and mixed customer reviews suggest it’s best suited for budget-conscious owners who prioritize durability over ultimate performance tuning.
BestFor: Subaru owners wanting a durable, corrosion-resistant exhaust at a lower price point.
NotIdealFor: Enthusiasts seeking a highly refined sound or professional-grade performance tuning, as this model offers more basic benefits.
- Durable stainless steel construction with corrosion resistance
- Easy to install without cutting or drilling
- Enhances exhaust performance and reduces noise
- Limited compatibility info could cause fitment issues
- Mixed reviews suggest inconsistent quality or satisfaction
Overall, this pick makes the most sense for budget-minded Subaru owners looking for straightforward durability and mild performance gains.
- Material: Stainless steel
- Fitment: 2015-2017 Subaru WRX/WRX STI
- Weight: 25.1 pounds
- Dimensions: 45.67 x 9.06 x 17.32 inches
- OEM Part Number: Cat-Back Systems
Pros:- Durable stainless steel construction with corrosion resistance
- Easy to install without cutting or drilling
- Enhances exhaust performance and reduces noise
Cons:- Limited information on compatibility with other models
- Customer reviews indicate mixed satisfaction
Best for: Budget-conscious Subaru owners seeking corrosion resistance and simple installation.
Not ideal for: Performance enthusiasts wanting aggressive sound and precise tuning, as this system offers basic improvements.
- Fitment:2015-2017 Subaru WRX/WRX STI
- Material:Stainless steel
- Item Weight:25.1 pounds
- Product Dimensions:45.67 x 9.06 x 17.32 inches
- Model:Cat-Back Systems
- OEM Part Number:Cat-Back Systems
Our verdict“This system is best suited for owners who prioritize durability and affordability over refined sound and performance tuning.”
DNA MOTORING CBE-WRX02-BT Stainless Steel Cat Back Exhaust System for 2002-2007 Subaru Impreza WRX/WRX STI
This exhaust system is crafted from high-quality T-304 stainless steel with mandrel bends, making it a solid upgrade for drivers seeking a more aggressive tone and increased horsepower. Unlike the more basic KAX system, it emphasizes engine performance and sound, delivering a deeper exhaust note that appeals to enthusiasts. However, installation requires mechanical skill, and the loud sound may not suit those seeking a stealthier ride. Compared with the MBRP racing profile, it offers a more aggressive tone but at the cost of some daily comfort.
BestFor: Subaru owners looking for a noticeable power boost and a more aggressive exhaust note.
NotIdealFor: Casual drivers or those sensitive to loud exhaust sounds, as it may be too loud for daily use.
- Manufactured from durable T-304 stainless steel
- Increases horsepower and torque
- Provides a deep, aggressive exhaust tone
- Installation may require mechanical skill
- Sound level might be loud for some users
This pick is ideal for performance-oriented drivers who want a loud, deep exhaust sound and increased power.
- Material: T-304 Stainless Steel
- Inlet Diameter: 2.25 inches
- Main Piping Diameter: 2.25 inches
- Muffler Tip: 4 inches dual rolled tip
- Application: 2002-2007 Subaru Impreza WRX/WRX STI
Pros:- Made of durable high-quality stainless steel
- Increases horsepower and torque
- Provides a deep, aggressive exhaust tone
Cons:- Installation can be challenging without mechanical skills
- Sound may be too loud for some users
Best for: Performance enthusiasts wanting a deep tone and horsepower gains from their WRX or STI.
Not ideal for: Daily drivers who prefer quiet operation or less aggressive exhaust notes.
- Material:T-304 Stainless Steel
- Inlet Diameter:2.25 inches
- Main Piping Diameter:2.25 inches
- Muffler Tip:4 inches dual rolled tip
- Application:2002-2007 Subaru Impreza WRX/WRX STI
Our verdict“This system is best suited for drivers prioritizing performance and a bold exhaust note over quiet operation.”
MBRP 2022+ Subaru WRX 3in Cat-Back Dual Split Rear Quad Carbon Fiber Tips Race Profile Exhaust
The MBRP Race Profile exhaust offers a significant performance increase with a 3-inch diameter designed for high performance, making it ideal for drivers seeking a track-ready upgrade. Its dual split rear quarter design with carbon fiber tips adds a sporty aesthetic, and it produces a deep, aggressive sound similar to professional racing setups. Compared to the DNA MOTORING system, it emphasizes maximum horsepower and sound, but may be louder and less suited to daily driving. This makes it a better fit for enthusiasts who want a race-inspired look and feel, even if it sacrifices some everyday comfort.
BestFor: Sporty drivers aiming for maximum horsepower and a race-inspired appearance.
NotIdealFor: Daily drivers or those sensitive to noise, as this exhaust can be very loud and aggressive.
- Increases horsepower and torque significantly
- Deep, aggressive exhaust tone
- Easy bolt-on installation
- Potentially very loud, not suitable for daily use
- May require professional installation for perfect fit
This pick makes the most sense for performance purists who prioritize maximum power and a race look over quiet operation.
- Diameter: 3 inches
- Tips: Dual Split Rear Quad Carbon Fiber
- Type: Cat-Back Exhaust
- Profile: Race
- Fitment: 2022+ Subaru WRX
Pros:- Boosts horsepower and torque substantially
- Deep, aggressive racing sound
- Easy bolt-on installation
Cons:- Very loud, unsuitable for regular commuting
- May require professional installation for best fit
Best for: Performance drivers seeking aggressive sound and maximum horsepower gains for their WRX.
Not ideal for: Commuters or daily drivers wanting a subtle or quiet exhaust system.
- Fitment:2022+ Subaru WRX
- Diameter:3 inches
- Tips:Dual Split Rear Quad Carbon Fiber
- Type:Cat-Back Exhaust
- Profile:Race
Our verdict“This system is best for those who want a race-inspired appearance and maximum performance, accepting the noise tradeoff.”
BORLA 140595 Cat-Back Performance Exhaust System for 2015-2021 Subaru Impreza WRX & WRX STI 2.0L/2.5L
Among the options, the BORLA system is distinguished by its polished dual tips and durable T-304 stainless steel construction, making it a sophisticated upgrade for the 2015-2021 Subaru WRX and STI. It offers a noticeable performance improvement and a distinctive exhaust tone, especially compared to the more budget-oriented KAX. Its weight at 48 lbs is higher, reflecting its robust build quality, but this can make installation slightly more cumbersome. Compared with the MBRP Race Profile, it leans toward a balance of performance and refinement, suitable for owners seeking a polished look and a refined sound.
BestFor: Owners who want a performance upgrade with an emphasis on style and durability.
NotIdealFor: Those seeking the absolute loudest or most aggressive sound, as BORLA emphasizes refinement over volume.
- Constructed from durable T-304 stainless steel
- Easy bolt-on installation
- Polished dual tips enhance aesthetic appeal
- Heavier at 48 lbs, potentially complicating installation
- Designed for specific Subaru models, limiting versatility
This pick suits owners wanting a durable, stylish, and performance-oriented exhaust with a refined tone.
- Material: T-304 Stainless Steel
- Installation: Bolt-on
- Construction: All welded
- Dimensions: 45 x 31 x 11 inches
- Weight: 48 lbs
- Warranty: Manufacturer’s warranty
Pros:- Enhances vehicle performance and sound
- Made from durable T-304 stainless steel
- Easy bolt-on installation
- Polished dual tips for aesthetic appeal
Cons:- Heavy weight can complicate installation
- Limited to specific Subaru models
Best for: Owners looking for a stylish, durable exhaust that improves sound and performance without excessive loudness.
Not ideal for: Drivers seeking a very loud, track-ready system—BORLA emphasizes refinement and style.
- Material:T-304 Stainless Steel
- Installation:Bolt-on
- Construction:All welded
- Dimensions:45 x 31 x 11 inches
- Weight:48 lbs
- Warranty:Manufacturer’s warranty
Our verdict“This system makes the most sense for owners who want a refined, stylish upgrade that balances performance with aesthetic appeal.”
Replacement Stainless Steel Muffler Axle Back for 2015-2021 Subaru WRX STI with 4″ Double Wall Quad Burnt Tips
This exhaust kit offers a full upgrade with polished stainless steel construction, featuring a 4-inch double wall quad burnt tip design that boosts both sound and aesthetics. It includes all necessary hardware and a mid-pipe, providing a comprehensive solution for owners wanting a direct-fit, aggressive sound. Compared to the single-piece systems, it offers a more complete package but may require mechanical skill to install, especially with the included mid-pipe. Its aggressive burnt tips give a distinctive look, fitting owners who want a bold appearance and sound.
BestFor: Owners seeking a complete, aggressive exhaust upgrade with eye-catching burnt tips.
NotIdealFor: Those who prefer a quieter, more subtle system or lack mechanical experience for installation.
- High-quality stainless steel for durability
- Includes mid-pipe, gaskets, hardware for a full upgrade
- Quad burnt tips for aggressive style
- Installation may be complex for non-mechanically inclined owners
- Limited warranty period of one year
This kit is best suited for owners wanting a bold, comprehensive exhaust upgrade with a distinctive appearance.
- Material: Stainless Steel
- Finish: Polished Silver
- Tips: 4″ Double Wall Quad Burnt
- Includes: Axle Back, Mid Pipe, Gaskets, Hardware
Pros:- High-quality stainless steel durability
- Complete kit with mid-pipe and hardware
- Distinctive quad burnt tips for aggressive styling
Cons:- Installation may be challenging for beginners
- Limited warranty of one year
Best for: Owners looking for a complete and visually striking exhaust upgrade for their WRX STI.
Not ideal for: Owners who want an easier, less involved installation or quieter operation.
- Fitment:2015-2021 Subaru WRX STI
- Material:Stainless Steel
- Finish:Polished Silver
- Tips:4″ Double Wall Quad Burnt
- Includes:Axle Back, Mid Pipe, Gaskets, Hardware
Our verdict“This kit suits owners wanting a full, eye-catching exhaust upgrade with aggressive sound and style, accepting a more involved installation process.”
AWE Track Edition Cat-Back Exhaust for 2011-2018 Subaru WRX/STI Sedan
This AWE Track Edition stands out for its straightforward installation and noticeable sound enhancement, making it a top choice for those who want a sportier tone without complex modifications. Compared with the Invidia Q300, it provides a more aggressive yet controlled exhaust note, though it may lack detailed info on material durability. It is ideal for owners seeking immediate sound and performance gains with a direct fit, but those wanting a more refined or long-lasting material might find it lacking.
Pros: Enhances vehicle sound and performance; Designed specifically for Subaru WRX/STI sedans; Easy to replace factory exhaust; Sporty tone without drone
Cons: Limited info on material durability; Only compatible with certain models; No detailed installation instructions
Verdict: This pick makes the most sense for enthusiasts who want a quick, sporty upgrade that’s simple to install.
Pros:- Enhances vehicle sound and performance
- Designed specifically for Subaru WRX/STI sedans
- Easy to replace factory exhaust
Cons:- Limited info on material durability
- Only compatible with specific models
Best for: Owners of 2011-2018 Subaru WRX/STI sedans seeking a sporty sound and straightforward upgrade
Not ideal for: Those wanting a highly durable, long-term exhaust system or detailed installation guidance
- Brand:AWE Tuning
- Model Number:3020-42058
- UPC:689750117796
- Included Components:Main component only
- Warranty:Please contact us if you experience any issues within 30 days of receipt
Our verdict“Ideal for drivers seeking a sporty, plug-and-play exhaust upgrade with a commanding sound.”
Borla 22-24 Subaru WRX ATAK Cat Back Exhaust
The Borla ATAK exhaust is tailored for those who prioritize durability and sound quality, thanks to its laser-welded T-304 stainless steel construction. Compared with the DNA Motoring system, Borla offers superior material resilience and a more refined tone, though at a higher price point. Its mandrel-bent design maximizes flow, providing noticeable power gains, but the complexity of installation may challenge beginners. This system is best suited for drivers who plan to keep their WRX long-term and want a premium, long-lasting exhaust.
Pros: Durable laser-welded stainless steel; Optimized sound with polyphonic harmonizer muffler; Enhanced flow and power; Backed by a million-mile warranty
Cons: Difficult to install for beginners; Higher cost than some alternatives; Specific model compatibility
Verdict: Perfect for owners seeking a durable, high-performance exhaust with an emphasis on longevity and sound quality.
Pros:- Durable laser-welded stainless steel construction
- Optimized sound with polyphonic harmonizer muffler
- Enhanced flow and performance due to mandrel bends
- Backed by a long-lasting warranty
Cons:- May be difficult to install for beginners
- Higher price compared to other options
Best for: Long-term Subaru WRX owners wanting a durable, high-quality exhaust system with premium sound
Not ideal for: Casual users or those on a tight budget who might find installation challenging
- Brand:Borla
- Model Number:BOR140931
- Material:T-304 stainless steel
- Design:Straight-through, multi-core mandrel bends
- Warranty:Million-Mile Coverage
Our verdict“This system is ideal for drivers wanting a premium, durable exhaust with excellent sound and performance benefits.”
DNA Motoring CBE-WRX15-D Stainless Steel Cat Back Exhaust System for 2015-2017 Subaru WRX & STI Sedan
This DNA Motoring system offers notable gains in horsepower and torque, making it a solid pick for drivers who want to push their WRX’s performance. Compared with the Invidia Q300, it tends to produce a louder, more aggressive exhaust note due to its tuned resonators and larger muffler tip, but installation may require more technical skill. Its high-quality T-304 stainless steel ensures durability, although the warranty details are less clear. It’s best suited for owners comfortable with installation and seeking a more aggressive driving sound.
Pros: Increases horsepower and torque; Durable high-quality stainless steel; Improves exhaust sound with an aggressive tone; Reduces backpressure for better engine efficiency
Cons: Installation may require technical skill; Louder noise may not suit all preferences; Limited warranty info
Verdict: This system makes sense for performance-focused owners willing to handle a more involved install and louder sound.
Pros:- Increases horsepower and torque
- Durable high-quality stainless steel
- Aggressive exhaust tone
- Reduces backpressure for efficiency
Cons:- Installation may require technical skill
- Louder sound might be intrusive for some
Best for: Performance enthusiasts who want a louder, more aggressive exhaust with real horsepower gains
Not ideal for: Casual drivers or those seeking quiet operation and simple installation
- Fitment:2015-2017 Subaru WRX & STI Sedan
- Material:T-304 Stainless Steel
- Muffler Tip Diameter:4 inches
- Inlet Diameter:2.5 inches
- Main Piping Diameter:2.5 inches
- Warranty:Please contact seller for info
Our verdict“Best suited for owners desiring a performance boost with a louder, more aggressive sound profile.”
Invidia Q300 Dual Cat-Back Exhaust System with Stainless Steel Rolled Tip for Subaru WRX 2008+
The Invidia Q300 offers a balanced approach, blending performance upgrades with a stylish stainless steel rolled tip. Compared with the DNA Motoring, it provides a more refined tone, suitable for owners who want a subtle yet noticeable improvement in sound and flow. Its 76mm piping diameter enhances exhaust flow, but installation might be somewhat technical for novices. The polished stainless steel tip adds a premium look, making it ideal for those who want a good mix of style and efficiency.
Pros: Improves exhaust flow and performance; Stainless steel rolled tip adds durability and style; Designed specifically for Subaru WRX 2008+; Good balance of sound and efficiency
Cons: Installation may require some technical skill; Potentially louder exhaust note; Slightly less aggressive than full race systems
Verdict: Suitable for owners seeking a stylish, performance-enhancing exhaust with a refined sound and good aesthetics.
Pros:- Improves exhaust flow and performance
- Stainless steel rolled tip adds style and durability
- Designed specifically for Subaru WRX 2008+
- Balanced sound and efficiency
Cons:- Installation may be complex for beginners
- Potentially louder than stock
Best for: Owners who want a stylish, balanced exhaust upgrade with performance and appearance in mind
Not ideal for: Drivers after a highly aggressive or race-oriented exhaust tone or ease of installation
- Piping diameter:76 millimeter
- Tip size:110 millimeter
- Vehicle compatibility:Subaru WRX 2008+
Our verdict“Best for owners wanting a stylish, performance-focused exhaust with a refined sound profile.”
PHILTOP Cat-Back Exhaust System for 2015-2017 Subaru WRX/WRX STI
The PHILTOP exhaust offers a straightforward, bolt-on solution for 2015-2017 Subaru WRX/WRX STI owners who prioritize hassle-free installation and dependable performance. Unlike the Borla or DNA systems, it emphasizes ease of fit with included hardware and gaskets, making it accessible even for those with limited mechanical experience. While it boosts sound and flow, it may produce a louder exhaust note than stock, and its stainless steel build promises durability. This choice is ideal for owners who want a reliable upgrade without complex modifications, though it may not satisfy those seeking the most aggressive sound or premium materials.
Pros: Easy to install with no modifications required; High-quality stainless steel; Includes gaskets and hardware for a complete install; Improves exhaust sound and flow
Cons: May increase exhaust noise significantly; Designed for specific Subaru models, limiting versatility; Not the most aggressive sounding system
Verdict: Perfect for owners wanting a dependable, simple upgrade with minimal fuss and moderate sound enhancement.
Pros:- Easy to install with no modifications
- High-quality stainless steel
- Includes gaskets and hardware
- Improves exhaust sound and performance
Cons:- May significantly increase noise
- Limited to specific Subaru models
Best for: Owners who prioritize easy, reliable installation and consistent performance
Not ideal for: Performance enthusiasts seeking aggressive sound or extensive customization
Our verdict“Ideal for those seeking a straightforward, durable exhaust upgrade with minimal installation effort.”
How We Picked
The products in this roundup were selected based on a combination of performance, build quality, ease of installation, and overall value for the Subaru WRX FA24. Emphasis was placed on systems specifically designed for the FA24 engine or compatible with the latest WRX models to ensure proper fit and function. We also considered user reviews and brand reputation to gauge reliability and customer satisfaction. The ranking reflects a balance between sound quality, material durability, price, and installation complexity, helping readers choose options suited for different budgets and goals.| catback exhaust subaru wrx fa24 | Material |
|---|---|
| Invidia HS02SW1GRT Titanium Si | Titanium |
| Invidia HS15STIGM4ST Exhaust S | Stainless Steel, Titanium Tip |
| TurboXS WS02-RMA Exhaust Muffl | Polished Stainless |
| Replacement Stainless Steel Ex | Stainless Steel |
| BORLA 140595CB Cat-Back Perfor | T-304 Stainless Steel |
| KAX Cat Back Exhaust System Co | Stainless steel |
| DNA MOTORING CBE-WRX02-BT Stai | T-304 Stainless Steel |
| MBRP 2022+ Subaru WRX 3in Cat- | — |
| BORLA 140595 Cat-Back Performa | T-304 Stainless Steel |
| Replacement Stainless Steel Mu | Stainless Steel |
| AWE Track Edition Cat-Back Exh | — |
| Borla 22-24 Subaru WRX ATAK Ca | T-304 stainless steel |
| DNA Motoring CBE-WRX15-D Stain | T-304 Stainless Steel |
| Invidia Q300 Dual Cat-Back Exh | — |
| PHILTOP Cat-Back Exhaust Syste | — |
Factors to Consider When Choosing Catback Exhaust Subaru Wrx Fa24
Choosing the right catback exhaust for your Subaru WRX FA24 involves evaluating several key factors. While performance is a major concern, other elements like sound profile, material durability, ease of installation, and budget influence the decision. Understanding these factors helps avoid common pitfalls such as overpaying for features you don’t need or selecting incompatible systems that require modifications. Here are some critical considerations to keep in mind when selecting a catback exhaust.Material Quality and Durability
The core material of the exhaust system impacts longevity and weight. Titanium systems are lighter and resist corrosion better but come at a higher cost. Stainless steel options are more affordable and durable but tend to be heavier, which can slightly reduce performance gains. Assess how much weight reduction matters to your driving style and how much you’re willing to invest in long-term durability.
Sound Profile and Noise Levels
Exhaust sound varies widely, from subtle growls to loud, aggressive roars. Consider whether you want a system that enhances daily driving without drawing too much attention or a more aggressive setup for track days. Some exhausts include sound-dampening features, which can help control noise levels while still providing performance benefits.
Performance Gains and Tuning Compatibility
While most catback systems improve airflow and horsepower, the magnitude of gains depends on the overall setup of your WRX. Some systems are designed with specific tuning in mind, making them more effective when paired with ECU remaps. Be aware that incompatible or universal setups might require additional modifications, increasing the total cost and complexity.
Ease of Installation
Some exhaust systems are designed for straightforward bolt-on installation, which is ideal for DIY enthusiasts. Others may require welding or professional installation, adding to the overall expense. Check the product details and reviews to gauge how much work is involved and whether special tools or skills are needed.
Budget and Overall Value
Price ranges widely in this category, from budget-friendly stainless steel options to premium titanium setups. While higher-priced systems often offer better materials and sound, evaluate whether the performance gains and durability justify the extra cost. A balanced approach ensures you get the best value based on your specific driving goals and budget constraints.
Frequently Asked Questions
Will upgrading my catback exhaust improve my Subaru WRX FA24’s horsepower?
Upgrading to a performance-oriented catback exhaust can improve horsepower by reducing back pressure and increasing airflow. However, the actual gains depend on the rest of your vehicle’s setup, including tuning and intake modifications. For optimal results, pairing the exhaust with ECU remapping often enhances power gains, making the upgrade more noticeable.
Can I install a different sound level exhaust on my FA24, and how do I choose?
Yes, exhaust systems vary significantly in sound profile. If you prefer a quieter ride for daily driving, look for systems with sound-dampening features or smaller diameter pipes. For a more aggressive tone suitable for track days, select systems with larger pipes, straight-through designs, or specific sound-enhancing features. Always check user reviews for real-world sound comparisons.
Are titanium exhausts worth the extra cost for a daily driver?
Titanium exhausts are lighter and more resistant to corrosion, which benefits performance and longevity. For daily drivers, the weight savings can slightly improve handling, and the durability offsets the higher initial investment. However, if budget constraints are tight, a high-quality stainless steel system can still deliver excellent performance without the premium price.
Will installing a catback exhaust void my warranty?
Installing an aftermarket exhaust may affect your vehicle’s warranty, depending on the manufacturer and local regulations. Many manufacturers allow bolt-on systems without voiding coverage, but modifications that involve welding or ECU tuning could be scrutinized. Always check your warranty terms and consult with your dealer before proceeding with modifications.
Do I need to tune my ECU after installing a new catback exhaust?
While some exhaust upgrades can provide benefits without tuning, most performance exhaust systems work best when paired with ECU remapping. Tuning adjusts parameters to optimize airflow and prevent issues like check engine lights or fuel trim problems. For the best results in power and sound, consider a tune tailored to your new setup, especially if the exhaust significantly alters airflow.
Conclusion
For the casual daily driver seeking balanced performance and sound, the DNA MOTORING CBE-WRX02-BT offers a budget-friendly upgrade. Those aiming for the best combination of weight savings, durability, and aggressive tone should consider the Invidia HS02SW1GRT Titanium. If premium quality and race-inspired sound are your priorities, the Borla ATAK makes an ideal choice. Beginners or those cautious about installation might prefer systems designed for easy bolt-on fitment, while enthusiasts demanding maximum performance should look toward titanium or high-end stainless steel options. Your choice hinges on your specific driving style, sound preference, and budget—these insights help you narrow down the ideal system for your FA24-equipped WRX.
Fall Picks
fall essentials
As an affiliate, we earn on qualifying purchases.
