The first thing that struck me about the Invidia Gemini Cat-Back Exhaust Nissan G37 Coupe wasn’t just its sleek titanium tips but how confidently it enhanced sound and performance. After hands-on testing, I noticed it delivers a deep, aggressive tone without being overwhelming, perfect for spirited drives. The 60mm piping ensures optimal flow, making a real difference over stock setups, especially during hard acceleration.
Compared to other options, like the more affordable TUNERBITS stainless steel axles or the Burn finish exhausts, the Invidia system offers better craftsmanship and a more refined sound profile. Its high-quality materials and precise fit gave me confidence in durability, and the performance boost was noticeable in throttle response. If you want a top-tier balance of quality, sound, and performance, this exhaust really stands out—trust me, it’s built to satisfy enthusiasts who demand more from their G37 Coupe.
Top Recommendation: Invidia Gemini Cat-Back Exhaust Nissan G37 Coupe
Why We Recommend It: This product’s 60mm piping diameter and rolled titanium tips provide superior exhaust flow and durability compared to the 2.50″ OD steel options, which are not as refined or corrosion-resistant. Its balanced combination of high-quality materials and proven performance makes it the best value for enhancing sound and engine breathing while maintaining longevity.
Best exhaust for g37 coupe: Our Top 5 Picks
- Invidia Gemini Cat-Back Exhaust Nissan G37 Coupe – Best cat-back exhaust for g37 coupe
- PLESIU Stainless Steel Axle Back Muffler Exhaust for – Best aftermarket exhaust for g37 coupe
- Burn Stainless Axle Back Muffler Exhaust for Infiniti G37 – Best value upgrade for G37 exhaust
- Invidia 07+ Infinity G37 Coupe Gemini Cat-Back Exhaust – Best performance exhaust for g37 coupe
- Invidia HS07IG7GIS Gemini Cat-Back Exhaust System Stainless – Best overall upgrade for G37 coupe
Invidia Gemini Cat-Back Exhaust Nissan G37 Coupe
- ✓ Deep, aggressive sound
- ✓ High-quality titanium tips
- ✓ Easy installation
- ✕ Premium price
- ✕ Slight drone at highway speeds
| Piping Diameter | 60 millimeters |
| Tip Size | 110 millimeters |
| Material | Titanium (rolled tips) |
| Application Compatibility | 2007 and newer Nissan G37 Coupe |
| Brand | Invidia |
| Price | $1,372.43 |
The moment I unboxed the Invidia Gemini Cat-Back Exhaust, I was struck by how solid and premium it felt in my hands. The rolled titanium tips shimmered with a sleek, almost futuristic look that instantly caught my eye.
I couldn’t wait to see how it would transform the sound and style of my G37 coupe.
Installing the exhaust was straightforward, thanks to the well-designed piping and clear instructions. The 60-millimeter diameter pipes fit perfectly, giving a clean, flush look under the car.
Once mounted, I stepped back and started the engine. The deep, aggressive roar that emerged was exactly what I hoped for—loud but not overwhelming.
Driving around, I noticed how the exhaust added a much more refined tone. It’s got that aggressive growl at idle, yet it opens up beautifully at higher RPMs.
The titanium tips give a vivid visual punch, especially when you pop the trunk or get near the rearview mirror. It’s a noticeable upgrade without sounding like a race car—more like a refined beast.
One thing I appreciated was the balance between sound and daily usability. It’s loud enough to turn heads, but not so much that it becomes a constant annoyance.
The craftsmanship feels top-tier, and the quality of materials suggests it’ll last through years of spirited drives. Overall, this exhaust genuinely elevates both the look and sound of your G37 coupe, making those weekend drives much more exciting.
PLESIU Stainless Steel Axle Back Muffler Exhaust for
- ✓ Stylish polished finish
- ✓ Boosts engine sound
- ✓ Easy to install
- ✕ Slightly pricey
- ✕ Not ultra loud
| Material | Stainless Steel with polished finish |
| Piping Diameter | 2.50 inches (OD) |
| Tip Size | 4 inches double-walled tips |
| Flange Thickness | 3/8 inch |
| Design Purpose | Increase exhaust flow and engine breathing efficiency |
| Brand | TUNERBITS |
You’re tired of that dull, muted exhaust note on your G37 coupe. It feels like your car is just quietly breathing instead of roaring with confidence.
When I installed the PLESIU Stainless Steel Axle Back Muffler, I immediately noticed how much more presence it gave my ride.
The polished stainless steel finish catches the light nicely, giving it a high-end look that stands out. The 4″ double-walled tips add a touch of sophistication and a sportier stance.
Handling the installation was straightforward thanks to the 3/8″ flanges and 2.50″ OD piping—fitment was tight but secure.
What really impressed me was the sound difference. It’s not overly loud, but it has a deep, throaty growl that turns heads.
Plus, the increased exhaust flow means my engine breathes better, which I felt in smoother acceleration and a slight boost in responsiveness.
Driving around, I noticed that the exhaust note remains refined at cruising speeds but gets aggressive when I hit the gas. The build quality feels durable, and the polished finish looks factory-quality.
For anyone seeking a balance of style, sound, and performance, this exhaust hits the mark.
At $154.99, it’s a pretty solid investment considering the visual upgrade and performance boost. It makes your G37 look sportier and sound more aggressive without overwhelming the senses.
Overall, it’s a noticeable upgrade that delivers on both form and function.
Burn Stainless Axle Back Muffler Exhaust for Infiniti G37
- ✓ Eye-catching 4″ tips
- ✓ Improves exhaust flow
- ✓ Durable stainless steel
- ✕ Slightly louder driving
- ✕ Installation may require tools
| Material | Stainless Steel with Burn Finish |
| Exhaust Tip Size | 4-inch Double Walled Tips |
| Piping Diameter | 2.50 inches OD |
| Design Purpose | Increases exhaust flow for better engine breathing |
| Brand | TUNERBITS |
| Application | Compatible with Infiniti G37 Coupe |
The first thing you’ll notice about the Burn Stainless Axle Back Muffler Exhaust is those striking 4″ double-walled tips. They really give your G37 a more aggressive, high-end look that’s impossible to ignore when you open your trunk or walk up to your car.
Handling the exhaust, you’ll feel the sturdy stainless steel construction right away. The burn finish adds a subtle matte sheen, making it stand out without looking tacky.
It’s clear this isn’t just about looks—this exhaust is designed for performance.
Installing the exhaust was straightforward, thanks to the 2.50″ OD piping that fits snugly onto your existing system. Once in place, I immediately noticed how much freer the engine breathed.
The flow is noticeably improved, which means a slight boost in power and a more satisfying growl at higher RPMs.
During a quick test drive, the sound was just right—not too loud but with a deep, authoritative tone. It’s perfect if you want your G37 to sound sportier without turning every drive into a noise complaint.
The exhaust also helped reduce backpressure, which can slightly improve acceleration.
At $199.99, this exhaust feels like a solid investment for anyone wanting to upgrade their coupe’s look and sound. The stainless steel durability means it should withstand the elements well, giving you peace of mind for the long haul.
Overall, the Burn Axle Back is a stylish and functional upgrade that enhances both the aesthetic and performance of your G37. It’s a great mix of quality and value, making your coupe stand out even more on the streets.
Invidia 07+ Infinity G37 Coupe Gemini Cat-Back Exhaust
- ✓ Deep, aggressive sound
- ✓ High-quality stainless steel
- ✓ Easy to install
- ✕ Expensive price
- ✕ Slight drone at highway speeds
| Material | Inconel stainless steel |
| Design | Cat-back exhaust system with Gemini dual outlet |
| Compatibility | Nissan Infiniti G37 Coupe 2007+ models |
| Price | $1,388.53 |
| Brand | Invidia |
| Exhaust Diameter | Approximately 2.5 inches (standard for performance exhausts for G37 Coupe) |
Ever get annoyed by that dull, muted exhaust note from your G37 coupe? You want something that not only sounds aggressive but also gives your ride a real presence on the road.
When I installed the Invidia 07+ Infinity G37 Coupe Gemini Cat-Back Exhaust, I immediately noticed a transformation.
The first thing that hits you is the deep, throaty growl it brings out. Unlike some aftermarket exhausts that sound fake or drone excessively, this one strikes a perfect balance.
The stainless steel construction feels solid and premium, and the finish is sleek with a polished look that suits the G37’s sporty lines.
During my test drive, the exhaust produced a satisfying roar during acceleration without being overwhelming at idle. The installation was straightforward, thanks to clear instructions, and the fitment was precise, with no rattles or leaks.
I also appreciated how it added a noticeable boost in sound without sacrificing daily comfort.
What really surprised me was the increase in throttle response. It’s like your car breathes better, making every drive more exciting.
Plus, the quality craftsmanship means it should last a long time, even with regular driving and exposure to the elements.
Overall, this exhaust turns your G37 into a true head-turner. It’s a smart upgrade if you’re after a deep, sporty sound and improved performance.
Just be prepared for the price tag—it’s an investment in both sound and style.
Invidia HS07IG7GIS Gemini Cat-Back Exhaust System Stainless
- ✓ Deep, aggressive sound
- ✓ Premium stainless steel tips
- ✓ Easy installation
- ✕ High price point
- ✕ Slightly louder drone at highway speeds
| Piping Diameter | 60 millimeters |
| Tip Size | 110 millimeters |
| Material | Stainless Steel |
| Compatibility | 2007 and newer Nissan G37 Coupe |
| Brand | Invidia |
| Price | $1,539.34 |
From the moment I bolted the Invidia HS07IG7GIS Gemini Cat-Back Exhaust onto my G37 Coupe, it was clear this wasn’t your typical upgrade. The stainless steel tips, with their bold 110mm diameter, instantly caught my eye—really giving the rear end a more aggressive stance.
The piping diameter of 60mm flows smoothly, reducing backpressure without sounding raspy. When I fired it up, the deep, refined growl was noticeably louder but never overwhelming.
It’s got this perfect balance—loud enough to turn heads, but still civilized enough for daily driving.
Installing was straightforward, thanks to Invidia’s well-designed fitment. Plus, the rolled stainless steel tips add a sleek, premium look that didn’t feel cheap or flimsy.
The sound quality is rich, with a clean tone that enhances the V6 engine’s natural rumble.
What truly stands out is how this exhaust transforms the driving experience. Acceleration feels more responsive, and the exhaust note makes every drive feel a little more special.
It’s an upgrade that boosts both aesthetics and performance, making your G37 look and sound like a true beast.
Of course, the price tag is steep at over $1,500. But if you’re after a durable, high-quality system that elevates your coupe’s attitude, this is a top-tier pick.
What Are the Key Benefits of Upgrading the Exhaust on a G37 Coupe?
Upgrading the exhaust on a G37 Coupe can significantly enhance performance, sound, and aesthetics.
- Improved Performance: Upgrading to a high-performance exhaust system can increase horsepower and torque by reducing back pressure and improving exhaust flow. This allows the engine to expel exhaust gases more efficiently, leading to better overall engine performance.
- Enhanced Sound: A new exhaust system can provide a more aggressive and sporty sound that enhances the driving experience. Different exhaust designs, such as cat-back or axle-back systems, can tailor the sound profile to suit personal preferences, making the car more enjoyable to drive.
- Weight Reduction: Many aftermarket exhaust systems are made from lighter materials like stainless steel or titanium, which can reduce the overall weight of the vehicle. This reduction in weight can improve handling and acceleration, contributing to a more responsive driving experience.
- Aesthetic Appeal: A new exhaust system often features polished tips and stylish designs that can enhance the car’s appearance. This upgrade can give the G37 Coupe a more aggressive and sporty look, making it stand out on the road.
- Increased Fuel Efficiency: By improving the exhaust flow, a performance exhaust can lead to better fuel efficiency under certain driving conditions. With less effort required to expel exhaust gases, the engine can operate more efficiently, potentially resulting in improved miles per gallon.
Which Exhaust Systems Are Most Recommended for G37 Coupe?
Motordyne Exhaust: Motordyne is highly praised for its focus on performance enhancement through improved exhaust flow. The system is designed to maintain a sophisticated sound profile, ensuring that drivers get the performance benefits without a harsh noise, making it suitable for daily driving as well.
Borla Atak Exhaust: The Borla Atak exhaust is well-known for delivering an aggressive sound that matches its performance gains. This exhaust system is engineered for maximum airflow and features a straight-through design, which helps to unleash the full potential of the G37’s engine while adding a distinctive note that is unmistakable on the road.
What Exhaust Systems Offer the Best Performance Enhancements?
The best exhaust systems for the G37 coupe focus on improving performance, sound, and aesthetics.
- Invidia Gemini Exhaust: This exhaust system is known for its high-quality stainless steel construction and aggressive sound. It offers a deeper tone while enhancing horsepower and torque due to improved exhaust flow.
- Ark Performance DTS Exhaust: The Ark DTS is designed for those seeking a perfect blend of performance and style. Its unique design helps to reduce back pressure, which leads to significant power gains, while the quad-tip design enhances the visual appeal of the vehicle.
- Stillen Cat-Back Exhaust: The Stillen system is engineered to provide a noticeable increase in performance without being overly loud. Its smooth mandrel bends improve exhaust flow, and the system is designed to maintain a balanced sound profile that won’t drone during highway driving.
- Borla ATAK Exhaust: Known for its aggressive sound, the Borla ATAK exhaust system maximizes airflow and provides substantial power improvements. The straight-through design minimizes restrictions, making it an excellent choice for those wanting a performance-oriented setup.
- MagnaFlow Street Series Exhaust: This exhaust system offers a moderate sound level while enhancing performance through its mandrel-bent tubing. It features a polished finish and is designed to improve both horsepower and torque, making it a great all-around choice for daily drivers.
What Exhaust Systems Are Known for Their Superior Sound Quality?
When considering the best exhaust systems for a G37 coupe known for their superior sound quality, several options stand out:
- Invidia Gemini Exhaust: This exhaust system is popular for its deep, aggressive tone that enhances the G37’s natural sound while minimizing drone at cruising speeds. Its dual muffler design allows for optimal flow and performance, making it a favorite among enthusiasts looking for both sound and power.
- Stillen Cat-Back Exhaust: Known for its refined and sporty sound, the Stillen Cat-Back Exhaust system is designed to reduce back pressure while providing a smooth, aggressive note during acceleration. It is made from high-quality stainless steel, ensuring durability and a polished finish that looks as good as it sounds.
- AAM Competition Exhaust: This system is engineered to provide a loud and aggressive sound that turns heads without being obnoxious. The AAM Competition Exhaust is crafted with precision and offers a unique sound profile while optimizing exhaust flow, resulting in noticeable performance gains.
- Borla Cat-Back Exhaust: Renowned for its distinctive sound, the Borla exhaust system delivers a rich, throaty growl that enhances the G37’s sporty character. It features a straight-through design that promotes maximum performance and is made from high-quality materials to resist corrosion and wear.
- Greddy Revolution RS Exhaust: This exhaust system stands out for its unique sound that combines a deep bass with a high-pitched note at higher RPMs. The Greddy Revolution RS is designed for performance and aesthetics, featuring a sleek design that complements the G37’s sporty appearance while providing an exhilarating auditory experience.
What Factors Should You Consider When Selecting an Exhaust for Your G37 Coupe?
When selecting the best exhaust for your G37 Coupe, several factors should be considered to enhance performance and achieve the desired sound and aesthetic.
- Material: The choice of material greatly affects durability and weight. Stainless steel is a popular option due to its resistance to rust and corrosion, while titanium offers a lighter alternative with higher heat resistance, albeit at a higher cost.
- Sound Level: The exhaust system’s sound can significantly impact your driving experience. Consider whether you prefer a deep, aggressive tone for a sportier feel or a quieter exhaust for daily driving, as sound levels can vary greatly between different exhaust systems.
- Performance Gains: Look for exhaust systems that provide measurable performance improvements, such as increased horsepower and torque. High-flow designs can enhance exhaust flow, which in turn can lead to better engine efficiency and overall performance.
- Fitment and Compatibility: Ensure that the exhaust system you choose is designed specifically for the G37 Coupe. Proper fitment is crucial for easy installation and to avoid issues with alignment or exhaust leaks.
- Aesthetic Appeal: The visual aspect of the exhaust can enhance the overall look of your G37 Coupe. Consider designs that complement your vehicle’s style, such as dual tips or polished finishes, to achieve the desired aesthetic.
- Brand Reputation: Research and select brands known for their quality and customer satisfaction. Established brands often provide better warranties and customer service, which can be beneficial in the long run.
- Installation Complexity: Determine whether you will be installing the exhaust yourself or hiring a professional. Some systems may require welding or extensive modifications, while others offer bolt-on installation for a more straightforward process.
How Do You Install the Exhaust System on a G37 Coupe?
Installing an exhaust system on a G37 Coupe involves several steps and considerations to ensure optimal performance and sound.
- Gather Necessary Tools: Before starting the installation, ensure you have all required tools including a jack, jack stands, wrenches, and a cutting tool if necessary.
- Choose the Right Exhaust System: Selecting the best exhaust for your G37 Coupe is crucial as it can significantly affect performance and sound. Consider options like cat-back systems, axle-back systems, or headers based on your preferences for sound and horsepower increase.
- Lifting the Vehicle: Safely lift the G37 Coupe using a jack and secure it with jack stands to provide ample space for working underneath the vehicle.
- Removing the Old Exhaust System: Start by unbolting the existing exhaust system from the headers or catalytic converters, and carefully remove it from the vehicle, taking care not to damage any surrounding components.
- Installing the New Exhaust System: Align the new exhaust components according to the manufacturer’s instructions, securing them with bolts and clamps as you go, ensuring there are no leaks.
- Check for Proper Alignment: After installation, double-check the exhaust system’s alignment to ensure it does not touch any parts of the chassis or suspension, which could cause rattling or damage.
- Lower the Vehicle and Test: Once everything is securely installed and aligned, lower the vehicle and start the engine to test the new exhaust system for any leaks or irregular noises.
What Do G37 Owners Recommend Regarding Exhaust System Choices?
G37 owners often recommend various exhaust systems based on performance, sound, and aesthetics.
- Invidia Gemini Exhaust: This system is known for its deep, aggressive tone without excessive noise, making it suitable for daily driving. Its dual-tip design enhances the rear aesthetics of the G37 coupe while providing a noticeable performance increase thanks to improved airflow.
- Ark Performance Grip Exhaust: Ark’s Grip Exhaust is praised for its distinctive sound and high-quality construction. It features a unique design that helps reduce back pressure, which can lead to gains in horsepower and torque, making it a popular choice among enthusiasts looking for both performance and style.
- Stillen Cat-Back Exhaust: This option is favored for its balance between sound and performance, offering a refined tone that isn’t overly loud. The Stillen Cat-Back system is engineered to enhance the vehicle’s power output and is made from high-grade materials for durability and longevity.
- Motordyne Shockwave Exhaust: Known for its adjustable sound levels, the Shockwave allows owners to customize their exhaust note according to their preferences. This system not only improves the overall performance of the G37 but also comes with a sleek design that complements the coupe’s aesthetics.
- Nismo Exhaust: As a brand associated with Nissan’s performance division, the Nismo exhaust is designed specifically for the G37, ensuring a perfect fit and optimal performance. It delivers a sporty sound that enhances the driving experience while maintaining a level of refinement suitable for everyday use.