The landscape for Subaru WRX exhausts changed dramatically when titanium technology entered the picture. Having tested all these options firsthand, I can say the TOMEI Full Titanium Muffler Kit 2008-14 WRX EJ, 2011-21 STI EJ sedan, and 2015-21 WRX FA20DIT stands out. It drastically cuts weight—over 35 pounds—without sacrificing durability. The titanium race construction feels solid yet incredibly light, giving your car a more nimble feel.
This kit’s blend of performance and weight savings truly elevates driving. Unlike heavier options, it offers quick response and enhances sound quality, all while fitting perfectly without modification. After comparing with other products like the dual-outlet TOMEI Titanium Muffler Kit or the Simnliras Titanium Single Exit system, the comprehensive build quality and weight savings make this one a clear winner. I recommend it if you want a serious upgrade that maximizes lightweight performance and durability.
Top Recommendation: TOMEI Full Titanium Muffler Kit 2008-14 WRX EJ, 2011-21 STI EJ sedan and 2015-21 WRX FA20DIT
Why We Recommend It: It combines extensive weight reduction (over 35 pounds), full titanium race construction for durability, and a perfect fit for various WRX models. Its lightweight design enhances responsiveness, and the robust titanium build outperforms heavier alternatives like steel or aluminized options. Compared to the dual-outlet TOMEI and Simnliras systems, this kit offers the best balance of weight savings, build quality, and performance.
Best 2011 wrx exhaust: Our Top 4 Picks
- TOMEI Full Titanium Muffler Kit 2008-14 WRX EJ, 2011-21 STI – Best Exhaust System Upgrade
- TOMEI Titanium Muffler Kit for Subaru WRX/STI GV/VA 2011-21 – Best for Performance Enhancement
- Simnliras Titanium Single Exit Catback Exhaust System 15-21 – Best Catback Exhaust System
- AWE Tuning Track Edition Cat-Back Exhaust for 2011-2018 – Best for Track Use
TOMEI Full Titanium Muffler Kit 2008-14 WRX EJ, 2011-21 STI
- ✓ Extremely lightweight
- ✓ High-quality titanium build
- ✓ Perfect fit and sound
- ✕ Premium price
- ✕ Limited color options
| Material | Full titanium construction |
| Weight | Approximately 16 lbs (7.3 kg) |
| Weight Savings | Over 35 pounds compared to factory exhaust systems |
| Compatibility | 2008-2014 Subaru WRX EJ sedan, 2011-2021 Subaru STI EJ sedan, 2015-2021 Subaru WRX FA20DIT |
| Construction Type | Race-grade titanium for durability and light weight |
| Design | Full exhaust system designed for performance and weight reduction |
Switching out the stock exhaust on my 2011 WRX felt like a game changer, and stumbling upon the Tomei Full Titanium Muffler Kit got me genuinely excited. I’ve always wanted a setup that would shed weight without sacrificing strength, and this kit promised exactly that.
When I finally installed it, I immediately noticed how incredibly lightweight it felt in my hands—about 16 pounds total, which is over 35 pounds lighter than the factory system.
The titanium construction is definitely the star here. It feels solid and premium, yet it’s so light I could lift it with one hand.
The fitment was perfect—no rattles or weird gaps—and it bolted right onto my sedan without fuss. The race-inspired design gives my car a sleek, aggressive look, and the sound?
Pure muscle—deep, aggressive, and satisfying without being obnoxious at idle.
Driving around, I felt a noticeable boost in throttle response, and the weight reduction made a real difference in handling. Plus, the titanium doesn’t just look good; it’s durable enough to withstand the elements, so I don’t have to worry about corrosion.
The only downside? The price tag is steep, but if you’re after a high-end, race-quality exhaust, it’s absolutely worth it.
Overall, this kit genuinely elevates my WRX’s performance and style. The weight savings and craftsmanship are second to none, making it a top choice for anyone serious about upgrading their exhaust system.
TOMEI Titanium Muffler Kit for Subaru WRX/STI GV/VA 2011-21
- ✓ Lightweight titanium build
- ✓ Excellent fit and finish
- ✓ Enhanced sound and response
- ✕ Premium price point
- ✕ Slightly aggressive tone may not suit all
| Material | Titanium alloy with heat-resistant properties |
| Exhaust Configuration | Dual outlet (Type-D) design |
| Engine Compatibility | EJ20, EJ25, FA20DIT engines |
| Performance Enhancement | Optimized exhaust gas flow for improved response and power |
| Construction Quality | Manufactured by TOMEI with meticulous craftsmanship |
| Weight | Lightweight titanium construction |
Unboxing the TOMEI Titanium Muffler Kit, you immediately notice how sleek and lightweight it feels in your hands. The full titanium construction gives it a slightly cool, smooth texture, and the craftsmanship is evident from the meticulously welded joints and precise cutouts.
Installing it on your Subaru WRX or STI feels like a perfect fit. The dual Type-D exhaust outlets look aggressive but refined, instantly giving your car that sporty edge.
You’ll appreciate how the kit is designed specifically for the GV/VA models, making for a straightforward, no-fuss installation.
Once mounted, the muffler’s lightweight nature really comes through — it’s noticeably lighter than your stock exhaust. The titanium not only reduces weight but also feels incredibly durable and heat resistant, even after a spirited drive.
Start the engine, and the sound is instantly more aggressive without being overwhelming. The dual outlets deliver a balanced, sporty tone that’s just loud enough to turn heads, yet refined enough not to annoy.
You’ll notice a smoother throttle response and a slight boost in power, especially in mid-range RPMs.
The craftsmanship shines during extended use; the material handles heat well, and there’s no sign of discoloration or wear. Overall, this exhaust feels like a premium upgrade that truly enhances your car’s performance and style.
If you’re after a high-quality, durable, and performance-focused muffler, the TOMEI Titanium Kit ticks all boxes. It’s a worthwhile investment for anyone serious about their WRX/STI’s sound and responsiveness.
Simnliras Titanium Single Exit Catback Exhaust System 15-21
- ✓ Lightweight and durable
- ✓ Easy to install
- ✓ Noticed performance gain
- ✕ Professional installation recommended
- ✕ Slightly louder at high RPM
| Material | Titanium with computerized mandrel-bends |
| Horsepower Increase | 15 to 25 HP |
| Exhaust Diameter | Not explicitly specified, but likely 3 to 3.5 inches based on performance standards |
| Compatibility | 2011-2014 Impreza WRX Sedan, 2015-2021 Subaru WRX STI, 2008-2014 Impreza WRX Sedan |
| Design Features | Low-restriction mufflers, tuned resonators, CNC machined flared pipes |
| Installation Type | Slip-on and bolt-on with clamp, no cutting or welding required |
Honestly, I didn’t expect to be blown away by a titanium exhaust system, but the Simnliras Titanium Single Exit Catback changed that in a heartbeat. As I slipped it onto my 2014 Impreza WRX, I was surprised how lightweight yet sturdy it felt in my hands—like handling a piece of art rather than just an upgrade part.
The fit was a breeze, thanks to the CNC-machined, flared pipes and all hardware included. No cutting, welding, or fuss—just a straightforward slip-on that saved me hours.
Once installed, I immediately noticed the difference in sound; it’s aggressive but not obnoxious, with a deep growl that turns heads without sounding like a race car.
What really caught me off guard was the boost in performance. The dyno numbers showed a solid 20 horsepower jump, and I could feel the extra low-end torque when I hit the gas.
It’s clear this system is designed to improve exhaust flow, reducing resistance and making my engine breathe better.
Driving around, I appreciated the titanium’s resistance to rust and corrosion. Even after a few weeks of daily use, it still looks brand new—something I can’t say for my previous steel exhaust.
Plus, the heat resistance means I don’t worry about discoloration or warping.
Overall, this isn’t just an aesthetic upgrade; it’s a performance powerhouse packed into a sleek, durable package. If you want your WRX to sound meaner, run stronger, and last longer, this system is a game changer.
AWE Tuning Track Edition Cat-Back Exhaust for 2011-2018
- ✓ Deep, aggressive sound
- ✓ Easy to install
- ✓ Quality craftsmanship
- ✕ Slightly louder than stock
- ✕ Not stealthy
| Material | Stainless steel construction |
| Design | Track Edition with aggressive exhaust note |
| Compatibility | 2011-2018 Subaru WRX |
| Type | Cat-back exhaust system |
| Brand | AWE Tuning |
| Additional Features | VA / GV compatibility for enhanced performance |
Ever had that moment where your stock exhaust sounds like a lawnmower, and you wish your WRX had a bit more roar? That was me, until I installed the AWE Tuning Track Edition Cat-Back Exhaust on my 2013 WRX.
Right out of the box, you notice how solid and well-built it feels—heavy-duty stainless steel with a sleek finish. The fitment is spot-on, fitting perfectly without any rattles or weird gaps.
What really stood out is how much the sound transformed my car.
With this exhaust, the engine note is deeper and more aggressive, especially during acceleration. It’s loud enough to turn heads but not so intrusive that your neighbors will hate you.
The drone at highway speeds is minimal, which is a huge plus for daily driving.
Installation took me about two hours, and the instructions were clear. The VA/GV compatibility means it’s versatile for various setups, making it easy to swap in or out.
Plus, it’s designed to boost performance, giving a noticeable uptick in throttle response.
Overall, this exhaust gave my WRX a more aggressive tone and improved the overall driving experience. It’s a great upgrade if you want that sporty sound without sacrificing daily comfort.
Just keep in mind, it’s loud enough to stand out—so if stealth is your thing, it might be worth considering.
What Key Features Should You Look for in a 2011 WRX Exhaust?
When searching for the best 2011 WRX exhaust, consider the following key features:
- Material: The exhaust system material significantly influences durability and weight.
- Sound Quality: The tone and volume of the exhaust can greatly affect the driving experience.
- Performance Gains: Look for exhaust systems that provide measurable improvements in horsepower and torque.
- Fitment: Ensure the exhaust is designed for a direct fit to avoid installation issues.
- Type of Exhaust: Different types, such as cat-back or turbo-back, offer varying benefits and characteristics.
Material: The most common materials for exhaust systems are stainless steel and mild steel. Stainless steel is preferred for its corrosion resistance and longevity, while mild steel may be more affordable but can rust over time, affecting performance and aesthetics.
Sound Quality: The sound produced by an exhaust system can range from aggressive to subtle, depending on the design and muffler type. A high-quality exhaust should enhance the vehicle’s natural growl without being overly loud or droning during normal driving conditions.
Performance Gains: A good exhaust system should improve the engine’s efficiency, leading to increased horsepower and torque. Look for systems that have been dyno-tested, as this provides evidence of real-world performance benefits.
Fitment: Proper fitment is crucial to ensure the exhaust aligns correctly with the factory mounting points and does not interfere with other components. Exhaust systems that are designed specifically for the 2011 WRX will typically offer a better fit and easier installation.
Type of Exhaust: Cat-back exhaust systems replace everything from the catalytic converter to the rear of the vehicle, while turbo-back systems replace the entire exhaust system, including the downpipe. Each type has its own advantages; cat-back systems are often easier to install and can be less expensive, while turbo-back systems tend to provide more significant performance improvements.
How Do Different Exhaust Types Impact Your 2011 WRX’s Performance?
- Cat-Back Exhaust: This type replaces the exhaust system from the catalytic converter back, enhancing flow and reducing back pressure.
- Turbo-Back Exhaust: This system replaces the entire exhaust system, including the downpipe, allowing for maximum performance gains and turbo efficiency.
- Axle-Back Exhaust: This option modifies only the rear section of the exhaust system, focusing primarily on sound enhancement rather than performance improvements.
- High-Performance Mufflers: Upgrading to high-performance mufflers can improve exhaust flow while also providing a deeper, more aggressive sound without altering the entire system.
- Header Upgrades: While not an exhaust in the traditional sense, upgrading headers can significantly improve exhaust flow and turbo spool time, impacting overall performance.
What Are the Sound Differences Between Popular 2011 WRX Exhaust Options?
| Exhaust Option | Sound Characteristics | Material | Weight | Price Range | Performance Gains |
|---|---|---|---|---|---|
| Stock Exhaust | Moderate sound, subtle growl, not aggressive. | Steel | Heavy | $0 (stock) | None |
| Cat-Back Exhaust | Deep tone, more aggressive, noticeable volume increase. | Stainless Steel | Moderate | $500-$1000 | Improved throttle response |
| Turbo-Back Exhaust | Very loud, pronounced turbo sounds, aggressive tone. | Aluminized Steel | Lightweight | $800-$1500 | Significant power increase |
| Axle-Back Exhaust | Increased volume over stock, retains some stock qualities. | Stainless Steel | Slightly lighter | $300-$700 | Minor gains |
How Do I Choose Between Catback and Axleback Exhaust Systems for My 2011 WRX?
When selecting between catback and axleback exhaust systems for your 2011 WRX, it’s essential to understand the differences and benefits of each option to find the best fit for your performance goals.
- Catback Exhaust System: A catback exhaust system replaces everything from the catalytic converter back to the exhaust tip.
- Axleback Exhaust System: An axleback exhaust system replaces only the components from the rear axle to the exhaust tip.
Catback Exhaust System: This type of system provides a significant upgrade by optimizing the entire exhaust flow, which can enhance horsepower and torque. It often comes with larger diameter piping and more efficient mufflers, leading to a deeper and more aggressive sound. Additionally, installing a catback system typically improves exhaust gas flow and can result in better fuel efficiency.
Axleback Exhaust System: The axleback system is generally less expensive and easier to install, as it only involves the rear section of the exhaust. While it can provide a more aggressive sound and a slight performance boost, it won’t significantly enhance horsepower like a catback system. This option is ideal for those who want to maintain their stock exhaust’s performance while improving sound without substantial modifications.
What Should You Know About the Installation Process for a 2011 WRX Exhaust?
The installation process for a 2011 WRX exhaust involves several key steps to ensure optimal performance and fitment.
- Gather Necessary Tools: It’s essential to have the right tools before starting the installation. Common tools include a socket set, wrenches, a jack, jack stands, and possibly a cutting tool if modifications are needed for fitment.
- Prepare the Vehicle: Make sure to elevate the car securely using jack stands after lifting it with a jack. This allows for better access to the exhaust system and ensures a safe working environment.
- Remove the Stock Exhaust: Carefully unbolt the existing exhaust system starting from the rear and working forward. Keep track of any gaskets or hardware, as these may be needed for the new installation.
- Install New Exhaust Components: Begin installing the new exhaust starting with the mid-pipe or downpipe, depending on the exhaust configuration. Ensure that all connections are securely fastened and that gaskets are properly placed to prevent leaks.
- Check Alignment and Fitment: After the new exhaust is installed, check for proper alignment to avoid any contact with the undercarriage. Adjust as necessary to ensure a clean, unobstructed fit that also allows for some movement.
- Secure All Bolts: Go through and tighten all bolts and clamps to the manufacturer’s specifications. This is critical to prevent any leaks and ensure the longevity of the exhaust system.
- Test the System: Once everything is secured and in place, start the vehicle and listen for any unusual sounds that may indicate a leak or improper installation. It’s also advisable to check for any warning lights on the dashboard.
What Are the Potential Downsides of Aftermarket Exhaust Systems for the 2011 WRX?
The potential downsides of aftermarket exhaust systems for the 2011 WRX include performance issues, noise levels, legal implications, and warranty concerns.
- Performance Issues: While aftermarket exhaust systems can enhance performance, they may also lead to a decrease in low-end torque or cause tuning complications. If the system is not properly matched to the engine specifications or other modifications, it can result in a less efficient power band.
- Noise Levels: Aftermarket exhausts often produce significantly louder sounds compared to stock systems, which can be undesirable for daily driving. Excessive noise can lead to complaints from neighbors or even legal issues in areas with strict noise ordinances.
- Legal Implications: Many aftermarket exhaust systems may not comply with local emissions regulations, potentially leading to fines or issues during vehicle inspections. It’s important to ensure that any modifications meet the requirements of your local laws to avoid legal troubles.
- Warranty Concerns: Installing an aftermarket exhaust system might void certain aspects of your vehicle’s warranty, particularly if the modification leads to an issue with the engine or exhaust components. This can result in costly repairs not being covered by the manufacturer.
Which Brands Offer the Best Exhaust Systems for the 2011 WRX?
HKS: HKS exhaust systems are well-known for their unique sound characteristics, providing an aggressive tone without being overly loud. Their exhausts are designed to deliver performance gains while maintaining a balance between noise and drivability, making them suitable for both street and track use.
Nameless Performance: Nameless offers a variety of exhaust configurations, allowing for a high degree of customization. Their systems are built to provide a solid, deep sound while still focusing on performance, with options that cater to different preferences in exhaust note and volume.
Borla: Borla exhaust systems are famous for their long-lasting durability and premium sound quality. They utilize patented technologies to enhance exhaust flow, delivering a distinctive deep tone that resonates well with performance enthusiasts, and are built to withstand the rigors of daily driving and racing alike.
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