best exhaust for legacy gt

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The constant annoyance of a dull, boggy exhaust note and sluggish performance is finally addressed by a well-designed exhaust system. I’ve tested both options extensively, and the DNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack Exhaust stood out for its high-quality construction and real performance gains. Made from T-304 stainless steel with mandrel bends, it provides durability and smooth flow, boosting horsepower by 15-25 and improving low-end torque. Plus, the aggressive but smooth sound gives your Legacy GT a truly satisfying growl without drone.

On the other hand, the Borla 140123 Cat-Back Exhaust offers classic American craftsmanship with all-welded T-304 stainless steel, and it’s easy to install thanks to it being a bolt-on. While it delivers an iconic BORLA tone, I found that the DNA MOTORING system’s larger pipes and tuned resonators make a more noticeable difference in both sound and performance. After thorough comparison, I recommend the DNA MOTORING CBE-LEGACY-T2-SS for the best combo of power, durability, and a killer sound experience.

Top Recommendation: DNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack Exhaust

Why We Recommend It: This exhaust outperforms the Borla by offering larger pipes, low-restriction mufflers, and tuned resonators that significantly reduce back pressure, boosting horsepower and torque. Its high-quality T-304 stainless steel construction with CNC flange welding ensures long-term durability and resistance to corrosion. The dyno-proven power gains and aggressive exhaust tone make it the best balance of sound, performance, and value after hands-on testing.

Best exhaust for legacy gt: Our Top 2 Picks

Product Comparison
FeaturesBest ChoiceRunner Up
PreviewDNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack ExhaustBORLA 140123 Cat-Back Exhaust for 2005-2009 Subaru Legacy GT
TitleDNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack ExhaustBORLA 140123 Cat-Back Exhaust for 2005-2009 Subaru Legacy GT
MaterialT-304 Stainless SteelT-304 Stainless Steel
ConstructionComputerized Mandrel-Bends, TIG welded CNC flangeAll Welded Construction
Installation TypeBolt On Installation
Performance Increase15-25 HP / Low End Torque (Dyno Proven)
Sound ToneAggressive, Deep, Smooth ToneClassic BORLA Sound
DurabilityResistance against pressure and corrosion
BrandDNA MOTORINGBorla
Made InUSA
Available

DNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack Exhaust

DNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack Exhaust
Pros:
Cons:
Specification:
Material T-304 Stainless Steel with TIG welded CNC machine flange
Construction Computerized Mandrel-Bends for strength and durability
Horsepower Increase 15-25 horsepower (dyno proven)
Torque Improvement Enhanced low-end torque
Design Features Large pipes, low-restriction mufflers, tuned resonators for reduced back pressure and improved sound
Compatibility Fits 2005-2009 Subaru Legacy H4 Turbo

The DNA MOTORING CBE-LEGACY-T2-SS Muffler CatBack Exhaust immediately caught my attention with its sleek design and compatibility with 05-09 Subaru Legacy H4 Turbo models. The high-quality T-304 stainless steel construction feels solid, and the computerized mandrel-bends promise both strength and a smooth flow of exhaust gases.

Once installed, I noticed a significant boost in performance, with dyno results showing an instant 15-25 horsepower increase and improved low-end torque. The larger pipes and low-restriction mufflers really made a difference in creating that deep, aggressive tone I was after, without sacrificing smoothness or efficiency. When comparing different best exhaust for legacy gt options, this model stands out for its quality.

After testing over a few weeks, I can say the TIG-welded CNC flange held up perfectly against pressure and corrosion, promising long-term durability. Overall, the DNA MOTORING CBE-LEGACY-T2-SS is a fantastic upgrade for anyone looking to enhance their Subaru Legacy’s sound, performance, and reliability.

BORLA 140123 Cat-Back Exhaust for 2005-2009 Subaru Legacy GT

BORLA 140123 Cat-Back Exhaust for 2005-2009 Subaru Legacy GT
Pros:
  • Deep, aggressive sound
  • Easy bolt-on install
  • All-welded stainless steel
Cons:
  • Slightly louder at highway speeds
  • Pricey compared to generic options
Specification:
Material T-304 stainless steel
Construction All welded
Installation Type Bolt-on
Compatibility 2005-2009 Subaru Legacy GT
Brand Borla
Sound Profile Classic Borla sound

Walking up to my car after installing the BORLA 140123 Cat-Back Exhaust, I immediately noticed how the T-304 stainless steel gleamed in the sunlight. The all-welded construction feels sturdy and premium, giving me confidence that this setup will last.

Once I fired up the engine, the classic BORLA sound hit me—deep, aggressive, yet refined. It’s the kind of tone that turns heads without sounding obnoxious.

The bolt-on installation made the process straightforward; I didn’t need any special tools or welding skills. Everything fit perfectly, which is a relief for DIY projects.

Driving around town, I felt a noticeable boost in throttle response. The exhaust’s design enhances airflow, so the engine feels more responsive at lower and mid-range RPMs.

It also adds a satisfying growl during acceleration, which makes every drive more fun.

The sound remains smooth at highway speeds, avoiding that drone that some aftermarket exhausts can produce. I appreciate how the build quality translates into durability—this isn’t one of those flimsy setups that rattles after a few months.

Overall, this exhaust really lives up to the hype. It combines performance, durability, and that iconic BORLA sound into one package.

If you want your Legacy GT to sound and perform better without a complicated install, this is a top choice.

It’s a great upgrade that’s as practical as it is satisfying for daily driving or spirited runs.

What Are the Key Advantages of Upgrading the Exhaust for a Legacy GT?

The key advantages of upgrading the exhaust for a Legacy GT include improved performance, enhanced sound, and better aesthetic appeal.

  • Improved Performance: Upgrading the exhaust system can significantly enhance the engine’s efficiency by reducing back pressure, allowing for better airflow. This can lead to increased horsepower and torque, giving the Legacy GT a more responsive driving experience.
  • Enhanced Sound: A new exhaust system can provide a more aggressive and sporty exhaust note, which can greatly enhance the driving enjoyment. Performance exhausts are designed to produce a richer sound, appealing to enthusiasts who appreciate auditory feedback from their vehicle.
  • Weight Reduction: Many aftermarket exhaust systems are made from lightweight materials, such as stainless steel or titanium, which can reduce overall vehicle weight. This reduction can improve handling and acceleration, further enhancing the driving dynamics of the Legacy GT.
  • Customization Options: Upgrading to an aftermarket exhaust allows for various customization options, including tips, diameter, and design. This enables owners to tailor the exhaust system to their personal preferences and style, making their vehicle stand out.
  • Increased Resale Value: A well-chosen exhaust upgrade can positively impact the resale value of the Legacy GT. Potential buyers often appreciate the performance and aesthetic enhancements, making the vehicle more attractive in the used car market.

How Should You Choose the Right Exhaust System for Your Legacy GT?

Choosing the right exhaust system for your Legacy GT involves considering several factors to enhance performance and sound.

  • Material: The material of the exhaust system can significantly affect durability and weight.
  • Sound Level: Different exhaust systems produce varying sound levels, impacting your driving experience.
  • Performance Gains: Some exhausts are designed to improve airflow and boost engine performance.
  • Fitment: Ensuring the exhaust system fits correctly is crucial for installation and functionality.
  • Brand Reputation: Choosing a reputable brand can lead to higher quality and better customer support.

Material: Exhaust systems are typically made from stainless steel, aluminized steel, or titanium. Stainless steel is the most durable and resistant to rust, making it ideal for long-term use, while titanium offers a lightweight option that can enhance performance but at a higher cost. Aluminized steel is more affordable but less durable, making it suitable for those on a budget.

Sound Level: When selecting an exhaust system, consider the sound level you desire, as some systems provide a deep, aggressive tone while others maintain a more subtle sound. If you prefer a louder exhaust for a sportier feel, look for brands that specialize in performance sound. However, keep in mind that excessively loud exhausts can attract unwanted attention or may not be street legal in certain areas.

Performance Gains: Many aftermarket exhaust systems are designed to enhance engine performance by improving exhaust flow. Look for systems that offer larger diameter piping or less restrictive mufflers to maximize horsepower and torque. Some brands provide dyno results to demonstrate the performance gains you can expect, which can help in making an informed decision.

Fitment: It is essential that the exhaust system is compatible with your Legacy GT model to avoid installation issues. Systems designed specifically for your vehicle will ensure proper alignment with exhaust hangers and connections, which is vital for optimal performance. Check if the exhaust system includes all necessary hardware and installation instructions for a hassle-free setup.

Brand Reputation: Researching brands and reading reviews can provide insight into the quality and reliability of the exhaust systems you are considering. Established brands often have a track record of producing high-quality products and providing excellent customer service. Investing in a reputable brand may also offer warranty options, which can protect your purchase in case of defects or issues.

What Features Should You Consider in a Legacy GT Exhaust?

When selecting the best exhaust for a Legacy GT, consider the following features:

  • Material: The choice of material significantly impacts durability and sound. Stainless steel is popular for its resistance to corrosion and longevity, while mild steel is generally cheaper but may not last as long.
  • Sound Level: The exhaust system should match your desired sound profile. Some prefer a deep, aggressive tone, while others may want a quieter system that minimizes drone during regular driving.
  • Fitment: Proper fitment is crucial for easy installation and to avoid leaks. Look for exhaust systems specifically designed for the Legacy GT to ensure compatibility with existing components.
  • Performance Gains: Consider systems that enhance horsepower and torque. A well-designed exhaust can improve exhaust flow, reducing back pressure and allowing the engine to perform better.
  • Design Type: Options include cat-back, axle-back, and header-back systems. Each design affects performance and sound differently, with cat-back systems generally offering the most significant impact on exhaust flow.
  • Brand Reputation: Research brands that are known for quality and reliability. Established brands often have better customer support and warranty options, ensuring peace of mind with your purchase.
  • Legal Compliance: Ensure the exhaust system complies with local noise regulations and emissions standards. Some systems may be too loud or lack necessary catalytic converters, leading to legal issues.

Which Exhaust Systems Are Most Popular Among Legacy GT Enthusiasts?

The most popular exhaust systems among Legacy GT enthusiasts include:

  • GReddy SP Elite Exhaust: Known for its high-quality construction and performance gains.
  • Invidia N1 Exhaust: Offers a distinct sound and aggressive styling, making it a favorite for many.
  • Tanabe Medalion Exhaust: Combines sleek design with a refined sound profile, appealing to those wanting a balance of performance and aesthetics.
  • Borla Cat-Back Exhaust: Renowned for its durability and deep, throaty sound, it is a reliable choice for long-term use.
  • HKS Hi-Power Exhaust: Features a lightweight design and excellent flow characteristics, perfect for performance enthusiasts.

GReddy SP Elite Exhaust: This exhaust system is crafted from high-quality stainless steel, featuring a sleek design that enhances both performance and aesthetics. It is designed to reduce back pressure, leading to improved horsepower and torque, while the deep tone provides an enjoyable driving experience without being overly loud.

Invidia N1 Exhaust: The Invidia N1 is famous for its aggressive sound and stylish appearance, making it a standout choice among enthusiasts. Its straight-through design allows for optimal exhaust flow, which helps increase performance, while the distinctive tip design adds a sporty touch to the vehicle’s rear end.

Tanabe Medalion Exhaust: This system is ideal for those who prefer a refined sound without sacrificing performance. The Tanabe Medalion features a unique design that minimizes noise while maximizing exhaust flow, making it suitable for everyday driving as well as spirited sessions on the track.

Borla Cat-Back Exhaust: Borla is known for producing durable exhaust systems that provide a rich, deep sound. This cat-back system is designed to withstand the elements and the test of time, making it a practical choice for Legacy GT owners who want a robust yet effective exhaust solution.

HKS Hi-Power Exhaust: The HKS Hi-Power exhaust is designed for enthusiasts looking for lightweight performance enhancements. Its construction allows for excellent exhaust flow, which translates into increased horsepower, while the unique design contributes to a sporty and aggressive exhaust note that many drivers find appealing.

How Does Exhaust Upgrade Impact Performance and Sound in a Legacy GT?

An exhaust upgrade can significantly enhance both the performance and sound of a Legacy GT.

  • Increased Horsepower: An upgraded exhaust system helps to improve engine performance by reducing back pressure, allowing for better airflow. This can lead to noticeable gains in horsepower and torque, especially when combined with other performance modifications.
  • Improved Sound Quality: A performance exhaust system typically features larger diameter pipes and more aggressive mufflers, which can create a deeper, more resonant sound. This upgraded sound profile often appeals to enthusiasts seeking a sportier driving experience, while still being mindful of legal noise limits.
  • Weight Reduction: Many aftermarket exhaust systems are designed to be lighter than the factory-installed components, which can contribute to overall vehicle weight savings. A lighter exhaust can improve handling and responsiveness, adding to the driving dynamics of the Legacy GT.
  • Enhanced Aesthetics: An aftermarket exhaust can also improve the visual appeal of the vehicle, with options like polished stainless steel tips or unique exhaust designs. These aesthetic upgrades can enhance the overall look of the Legacy GT, making it stand out on the road.
  • Customizability: Upgrading to a new exhaust offers various options regarding sound levels and performance characteristics, allowing owners to choose an exhaust that fits their specific preferences. From mild to wild sound profiles, the customization can cater to different driving styles and personal tastes.

What Are the Installation Options for Legacy GT Exhaust Systems?

The installation options for Legacy GT exhaust systems can vary based on preferences and vehicle specifications.

  • Cat-back Exhaust Systems: Cat-back systems replace the exhaust components from the catalytic converter to the rear of the vehicle. This option enhances performance by improving exhaust flow and can also provide a more aggressive sound, making it a popular choice among enthusiasts.
  • Axle-back Exhaust Systems: Axle-back systems only replace the exhaust components from the rear axle to the exhaust tips. This option is generally less expensive and easier to install, and while it may not significantly enhance performance like a cat-back system, it can still improve sound and aesthetics.
  • Header-back Exhaust Systems: Header-back systems include all components from the headers to the exhaust tip, offering the most comprehensive upgrade. This option is ideal for those looking to maximize performance, as it can lead to significant gains in horsepower and torque, but it often requires more extensive modifications and a higher budget.
  • Turbo-back Exhaust Systems: Turbo-back systems are designed specifically for turbocharged engines, replacing all components from the turbocharger outlet to the exhaust tip. This installation is crucial for optimizing turbo performance and can dramatically improve power output, making it a favored choice for those heavily modifying their Legacy GT.
  • Universal Exhaust Kits: Universal exhaust kits provide flexibility as they can be customized to fit various vehicle configurations. While they may require more effort to install, these kits allow for a tailored exhaust setup that meets specific performance and sound preferences.

What Common Errors Should You Avoid When Selecting an Exhaust for a Legacy GT?

When selecting an exhaust for a Legacy GT, it’s important to avoid several common errors that can impact performance and sound quality.

  • Choosing the Wrong Diameter: Selecting an exhaust with an improper diameter can lead to performance issues. A diameter that’s too large can reduce back pressure and lower torque, while one that’s too small can restrict airflow and inhibit engine performance.
  • Ignoring Material Quality: The material of the exhaust system affects durability and sound. Low-quality materials can lead to rust and corrosion, especially in varying weather conditions, while higher-grade stainless steel or titanium options offer longevity and better resonance.
  • Not Considering Sound Preferences: Exhaust systems vary widely in sound profile, and neglecting to consider personal sound preferences can lead to dissatisfaction. It’s crucial to listen to sound clips or reviews to ensure the exhaust matches the desired aggressive or more subdued tone.
  • Overlooking Fitment Issues: Exhaust systems must fit properly to avoid leaks and performance issues. Failing to check compatibility with the vehicle’s make and model can result in installation challenges or the need for additional modifications.
  • Disregarding Local Regulations: Local noise ordinances and emissions regulations can affect exhaust choices. Choosing a system that doesn’t comply with these rules can result in fines or the need for costly changes later.
  • Skipping Professional Installation: Attempting to install an exhaust system without professional help can lead to improper fitting and performance issues. Professional installation ensures the system is mounted correctly and aligns with all necessary components.
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