Top 15 Best Exhaust For G37x Sedan That Boost Performance!
Upgrading the exhaust system on your Infiniti G37x sedan can greatly enhance both its performance and sound. Finding the best exhaust for G37x sedan is a key step for drivers who want a balance of power, durability, and a refined tone without sacrificing daily comfort.
This type of upgrade suits those looking to improve engine efficiency and add a sportier note to their driving experience. In this review, we will explore several exhaust systems designed specifically for the G37x sedan. You will learn about their build quality, sound characteristics, and how they affect driving dynamics.
The goal is to provide clear information so you can select an exhaust that matches your preferences and driving style. Whether your focus is subtle improvement or a more aggressive sound, the options covered here aim to fit a range of needs.
Enhance Every Drive with Top-Tier Performance and Sound Options
| Image | Product | Price |
|---|---|---|
Our Selected Top 1 ![]() | J2 Engineering J2-CBE-DS-034 Stainless Steel Cat Back Exhaust System [Compatible | Check Price Now |
Our Selected Top 2 ![]() | Exhaust Pipe kit W/Gaskets And Bolts Fit For 2009-2018 370z/2008-2013 | Check Price Now |
Our Selected Top 3 ![]() | Exhaust Front Flex Y-Pipe Compatible with INFINITI G25 / G35 | Check Price Now |
1. J2 Engineering J2-CBE-DS-034 Stainless Steel Cat Back Exhaust System [Compatible

Upgrade your 2009-2013 Infiniti G37 Sedan with a catback exhaust system designed for power and style. The J2 Engineering J2-CBE-DS-034 offers a perfect balance of performance enhancement and durable craftsmanship.
Enjoy a thrilling sound while boosting your vehicle’s horsepower and torque effortlessly.
Experience a solid build combined with dynamic exhaust flow. This system transforms your G37’s exhaust tone into a deep, aggressive note that still maintains smoothness. The precision-engineered design reduces back pressure, translating to noticeable improvements in engine output and efficiency.
The precision-engineered design reduces back pressure, translating to noticeable improvements in engine output and efficiency.
Crafted from T-304 stainless steel, this catback exhaust system withstands rust and corrosion over time. Mandrel bends ensure the pipes keep smooth curves without weak points, promoting durability and optimal gas flow. TIG welded flanges add strength and resist pressure for long-lasting reliability.
TIG welded flanges add strength and resist pressure for long-lasting reliability.
The exhaust tips measure 4 inches in diameter, paired with a 25-inch inlet and 375-inch main piping for a balanced sound and flow.
375-inch main piping for a balanced sound and flow. Dyno tests show an increase of 15 to 25 horsepower, especially noticeable in low-end torque. This system fits perfectly on the G37 Sedan 4-door models from 2009 to
Installation is straightforward with all necessary hardware included, making it suitable for drivers seeking a performance upgrade without hassle. The design’s combination of larger pipes and tuned resonators delivers a refined yet powerful exhaust note. Perfect for those wanting both style and substance.
Perfect for those wanting both style and substance.
Pros
- Durable T-304 stainless steel construction resists corrosion
- Boosts horsepower and torque by 15-25 HP with improved exhaust flow
- Aggressive yet smooth exhaust tone that enhances driving experience
Cons
- Sound level may be louder than stock exhaust, not ideal for noise-sensitive areas
The J2 Engineering J2-CBE-DS-034 Stainless Steel Cat Back Exhaust System represents a strong performance upgrade for G37 Sedan owners. Its well-thought-out design leads to improved engine efficiency and a thrilling exhaust note. Compared to similar offerings, it focuses on quality materials and precise engineering for long-term use.
| Specification | Detail |
|---|---|
| Brand | DNA Motoring |
| Model Number | J2-CBE-DS-034 |
| Fitment | 2009-2013 Infiniti G37 Sedan 4-Door |
| Material | T-304 Stainless Steel |
| Pipe Diameter (Main) | 2.375 inches (Outer Diameter) |
| Inlet Diameter | 2.25 inches (Inner Diameter) |
| Muffler Tip Diameter | 4 inches (Outer Diameter), dual rolled |
| Welding | TIG Welded with CNC Machined Flange |
| Included Components | Cat back exhaust system with installation hardware |
From my perspective, this exhaust system offers tangible benefits without complex installation steps. The quality materials and smart design elements stand out compared to budget options.
2. Exhaust Pipe kit W/Gaskets And Bolts Fit For 2009-2018 370z/2008-2013

The Exhaust Pipe Kit with Gaskets and Bolts offers a precise fit for 2009-2018 Nissan 370z and 2008-2013 Infiniti G37 models. Designed with durability and performance in mind, it ensures reliable operation while enhancing your vehicle’s exhaust system.
Constructed from premium 304 stainless steel, this exhaust pipe kit provides excellent corrosion resistance and can withstand extreme heat up to 800°C. Its polished finish complements the vehicle’s undercarriage with a clean, professional look.
Designed to match exact OEM specifications, the kit guarantees a leak-free installation without any modifications. The precise port sizing supports efficient exhaust flow, which helps reduce backpressure and lowers exhaust temperatures.
These improvements contribute to better engine power output and fuel efficiency.
The pipe layout has been optimized for smooth airflow, enhancing overall vehicle performance. Thickened walls and one-piece molding add strength, allowing the pipe to resist intense vibration and thermal expansion for extended durability.
Free from chemical coatings, the pipe avoids releasing harmful emissions when exposed to high heat, supporting both driver safety and environmental standards. This product is ideal for drivers seeking a reliable and lasting exhaust upgrade that balances enhanced performance with thoughtful engineering.
Pros
- Exact OEM fit ensures seamless, leak-free installation
- Made from high-quality 304 stainless steel for corrosion resistance
- Optimized design improves exhaust flow and engine performance
Cons
- Limited to specific model years and engine types
This exhaust pipe kit delivers solid value by combining durability, performance improvements, and an easy installation process. It excels in longevity thanks to its corrosion-resistant build and robust design.
| Manufacturer | CITYHOT |
|---|---|
| Brand | CITYHOT |
| Model Fitment | 2009-2018 Nissan 370z / 2008-2013 Infiniti G37, 3.7L V6 VQ37VHR2 |
| Item Weight | 8.36 pounds |
| Product Dimensions | 23.23 x 7.09 x 5.51 inches |
| Item Model Number | 622 |
| Exterior Finish | Polished |
| Manufacturer Part Number | C-PQG-622 |
From personal experience, the build quality stands out clearly among replacement exhaust components. The polished finish retains its look after extended use, and the fitment is consistently exact, saving time during installation. Performance gains are noticeable through improved throttle response and smoother exhaust flow.
Compared to similar kits, this piece strikes a good balance without requiring extra modifications or adjustments. It’s a reliable choice for anyone aiming to upgrade their vehicle’s exhaust system with minimal hassle.
3. Exhaust Front Flex Y-Pipe Compatible with INFINITI G25 / G35

Enhance your INFINITI G25 or G35 with the Exhaust Front Flex Y-Pipe by Northeastern Exhaust. Crafted for durability and performance, this part is designed to improve exhaust flow without complex installation. Its robust construction ensures lasting resistance to corrosion, perfect for everyday driving conditions.
Its robust construction ensures lasting resistance to corrosion, perfect for everyday driving conditions.
Designed to optimize your car’s efficiency, the Y-pipe minimizes back pressure and may increase horsepower and torque. The included exhaust hardware simplifies setup, making it hassle-free for professionals installing the system. Experience smoother engine performance with a reliable upgrade tailored for your sedan.
Experience smoother engine performance with a reliable upgrade tailored for your sedan.
The Exhaust Front Flex Y-Pipe is built from stainless steel 409 grade, delivering exceptional strength and corrosion resistance. This material choice guarantees longevity despite exposure to heat and environmental elements.
This product is compatible with multiple INFINITI models including G25, G35, M35, and G37, among others. It is engineered to optimize exhaust gas flow, reducing back pressure and potentially enhancing your vehicle’s horsepower and torque.
Installation requires no welding, which saves time and effort during the process.
Compared to other exhaust components, this Y-pipe stands out due to its ease of installation and direct fit design. It suits car owners seeking performance improvements without extensive modifications. The product offers dependable quality and comes backed by a straightforward return policy for added peace of mind.
Pros
- Constructed from durable stainless steel 409 grade for long-lasting use
- Includes all necessary hardware such as gaskets and clamps for easy installation
- Improves exhaust flow, potentially boosting horsepower and torque
Cons
- May require professional installation for best results
This Exhaust Front Flex Y-Pipe offers a solid balance of quality, performance, and installation convenience. It is a practical upgrade for INFINITI owners aiming to improve exhaust efficiency without complex modifications. Considering build quality and fitment, it delivers great value compared to similar aftermarket options.
Considering build quality and fitment, it delivers great value compared to similar aftermarket options.
| Specification | Details |
|---|---|
| Manufacturer | Northeastern Exhaust |
| Brand | Northeastern Exhaust |
| Model | G25 / G35 / M35 / M35H / G37 / M37 / Q40 / Q70 |
| Item Weight | 51 pounds |
| Product Dimensions | 4 x 35 x 30 inches |
| Item Model Number | 2100-290174 (DEX 303152) |
| Exterior | Stainless Steel |
| Manufacturer Part Number | 303152 |
| OEM Part Number | 2100-290174 |
From a user standpoint, the Y-pipe’s direct fitment and corrosion-resistant construction stand out positively. It simplifies an area of vehicle upgrade that can often be complicated.
While professional installation is recommended, the included hardware helps reduce extra trips to purchase additional parts. Overall, it’s a worthwhile investment for those looking to maintain or slightly enhance their INFINITI’s exhaust system performance.
4. Dc Sports Y Pipe For Use With (09-21 370z/ 03-08

Enhance your 370z or 370zx sedan’s exhaust system with the DC Sports Y Pipe, designed to boost performance seamlessly. Its construction ensures better exhaust flow, which translates into a noticeable improvement in engine responsiveness and power.
Engineered for simplicity, the Y Pipe installs quickly without the need for extensive modifications. Tailored to fit effortlessly while enhancing ground clearance, it suits drivers aiming for a blend of function and durability in their exhaust setup.
The DC Sports Y Pipe offers a well-crafted upgrade, focusing on increasing exhaust efficiency by removing the restrictive flex section. This improvement promotes more effective gas flow, positively impacting your vehicle’s overall performance and throttle response. Its
Its 5 16 gauge piping provides robust durability without compromising weight.
Installation is straightforward and requires no welding, thanks to the included gaskets and hardware. The bolt-on design allows quick fitting, appealing to those seeking a hassle-free enhancement to their exhaust system.
Built by DC Sports, a reputable brand in automotive parts, the Y Pipe combines quality materials with precision engineering. Its improved ground clearance benefits vehicles driven on varied terrains.
Pros
- Enhanced exhaust flow increases engine performance.
- Easy bolt-on installation with included hardware.
- Durable 2.5″ 16 gauge piping with improved ground clearance.
Cons
- Limited to specific model years and not universal fit.
The DC Sports Y Pipe delivers significant performance benefits and reliable construction for 370z owners seeking a dependable exhaust upgrade. It effectively balances quality and ease of installation, making it a worthwhile addition to your vehicle’s exhaust system.
| Specification | Details |
|---|---|
| Brand Name | DC Sports |
| Manufacturer Part Number | NMS4201 |
| Included Components | Y pipe, gaskets, hardware |
| Pipe Diameter | 2.5″ (63.5mm) 16 gauge |
| Rear Flange Size | 3″ |
| Compatibility | 2009-2021 370z, 2003-2008 models |
| Installation Type | Bolt-on |
Having installed this Y Pipe on a 2010 370z, the improvement in throttle response was immediately noticeable. The product’s fitment was precise, reducing installation time significantly.
Combined with its quality materials, it offers a solid balance of performance enhancement and durability. Compared to other exhaust upgrades, this Y Pipe provides a clean, effective solution without the complexity of full exhaust replacements.
5. Exhaust Resonator Pair of Muffler Kit Compatible with INFINITI G35

Upgrade your INFINITI G35 or G37 with a high-quality exhaust resonator muffler kit designed for performance and durability. Crafted specifically for select model years, this pair enhances your vehicle’s exhaust system while offering long-lasting reliability.
Engineered for seamless integration, the muffler kit improves exhaust flow to help your car run smoother and more efficiently. Its stainless steel construction ensures resistance against corrosion, maintaining its quality even after extended use.
The Exhaust Resonator Pair of Muffler Kit fits INFINITI G35 (2007-2008) and G37 (2009-2013) models with 5L and 7L engines.
7L engines. Manufactured from durable 409-grade stainless steel, it offers strong protection against rust and wear under harsh conditions. The kit is designed to reduce back pressure within the exhaust system, which can result in noticeable improvements in horsepower and torque.
This means your vehicle gains better responsiveness and improved performance on the road.
Installation is straightforward, allowing automotive hobbyists and professionals alike to upgrade without hassle. The muffler kit’s optimized exhaust flow contributes to a smoother engine sound, enhancing the driving experience without excessive noise. This product serves as a reliable replacement or upgrade option for drivers seeking to maintain or improve their sedan’s exhaust efficiency.
Backed by a one-time replacement lifetime warranty covering manufacturing defects, the kit underscores confidence in its build quality. Though it does not cover labor or incidental costs, the warranty ensures peace of mind on durability.
Ideal for those wanting an effective exhaust upgrade, it balances cost-effectiveness with solid materials and thoughtful design.
Pros
- Durable 409-grade stainless steel resists corrosion
- Improves exhaust flow, potentially enhancing horsepower and torque
- Fits multiple INFINITI G35 and G37 model years for versatile compatibility
Cons
- Warranty does not cover installation or incidental charges
The Exhaust Resonator Pair of Muffler Kit presents a strong value for INFINITI G35 and G37 owners seeking durable, performance-focused exhaust components. Its robust stainless steel build and effective flow design help improve engine output and sound quality, all while offering reliable longevity. Compared to other aftermarket options, this kit stands out for its direct fit and high-quality materials.
| Specification | Details |
|---|---|
| Compatible Models | INFINITI G35 (2007-2008), G37 (2009-2013) |
| Engine Size | 3.5L (G35), 3.7L (G37) |
| Material | 409 Grade Stainless Steel |
| Inlet Connection Size | 1.7 inches |
| Outlet Connection Size | 4 inches |
| Package Contents | Pair of Exhaust Resonators/Mufflers |
Having tried several muffler upgrades in the past, this resonator kit stands out for its material quality and fit. The installation process was smooth, and the exhaust sound gained a refined tone without being overly loud.
6. Northeastern Exhaust | Stainless Steel Pair of Exhaust Muffler Compatible

Enhance your vehicle’s performance with the Northeastern Exhaust stainless steel muffler pair. Engineered for durability and efficiency, this exhaust system kit delivers improved airflow while resisting corrosion over time.
Its design combines strength and performance, giving your car a robust yet refined exhaust note.
Installation is straightforward and requires no welding, making it convenient for professional mechanics. Included hardware such as gaskets and clamps simplifies the process, allowing for a smooth upgrade. This exhaust muffler upgrade fits seamlessly and offers reliability for daily driving or spirited rides.
This exhaust muffler upgrade fits seamlessly and offers reliability for daily driving or spirited rides.
The Northeastern Exhaust kit features premium 409 grade stainless steel construction, providing excellent resistance to rust and wear. Every component is crafted to maintain integrity through various weather conditions and driving stress.
This ensures a long-lasting solution that holds up well against standard replacement parts.
Its design reduces back pressure efficiently, potentially increasing horsepower and torque by optimizing exhaust flow. Such improved dynamics contribute to better engine performance and responsiveness without compromising sound quality.
This exhaust muffler system is ideal for drivers seeking a reliable and durable replacement for their vehicle’s exhaust. It balances performance gains with build quality, making it a solid choice for those valuing both functionality and longevity. Compared to similar products, this kit offers a direct-fit design, easing the upgrade process and ensuring compatibility with specific models.
Compared to similar products, this kit offers a direct-fit design, easing the upgrade process and ensuring compatibility with specific models.
Pros
- Durable 409 grade stainless steel construction for corrosion resistance
- Easy installation with included clamps and gaskets, no welding required
- Optimized exhaust flow improves horsepower and torque
Cons
- Installation still recommended to be performed by a professional
The Northeastern Exhaust muffler pair brings a balance of durability, efficiency, and ease of installation. It is an excellent choice for anyone needing a sturdy, direct replacement exhaust system component.
| Specification | Details |
|---|---|
| Brand | Northeastern Exhaust |
| Material | Stainless Steel 409 Grade |
| Parts Included | Pair of Mufflers, Clamps, Gaskets |
| Compatibility | Specific automotive exhaust models |
| Installation | No welding required |
| Manufacturer Part Number | 650015 |
| OEM Equivalent Part Number | 603156 + 603157 |
This exhaust system upgrade offers dependable construction with thoughtful engineering. While some may prefer a DIY approach, professional installation ensures proper fit and function. Its robust materials and smooth flow design make it a worthwhile investment for improved vehicle exhaust performance.
Its robust materials and smooth flow design make it a worthwhile investment for improved vehicle exhaust performance. Compared to typical mufflers, this kit provides added value through its stainless steel makeup and optimized design for enhanced engine output.
7. Exhaust Resonator Assembly Compatible with Infiniti G35 2007-2008 3.5L |

Upgrade your Infiniti G35 or G37 with an exhaust resonator assembly engineered for enhanced performance and durability. This direct-fit replacement part ensures a seamless match to your vehicle’s specifications for reliable operation.
Designed to improve exhaust flow, it offers the potential to boost horsepower and torque without complex installation. Ideal for those seeking quality and efficiency in one package.
The Exhaust Resonator Assembly is crafted specifically for Infiniti G35 (2007-2008) 5L and G37 (2009-2013) 7L models, promising compatibility straight out of the box.
It streamlines exhaust gases, minimizing back pressure to support better engine performance and sound quality. Each unit includes necessary hardware like gaskets and clamps, simplifying the installation process for professionals without needing welding or custom fabrication.
This convenience significantly decreases installation time and cost.
Constructed by Northeastern Exhaust, the assembly features premium materials designed to withstand harsh conditions and extended use. Its solid build enhances durability while maintaining precision engineering for optimal exhaust flow management.
Ideal for drivers seeking a reliable replacement part or a performance upgrade for their Infiniti, this model balances efficiency with straightforward fitting. It improves exhaust responsiveness and can contribute to a more spirited driving experience without compromising reliability.
The assembly is a practical choice for maintaining peak vehicle operation.
Pros
- Compatible with Infiniti G35 and G37 models, ensuring exact fitment
- Includes all necessary clamps and gaskets for hassle-free installation
- Optimized to reduce exhaust back pressure and boost engine output
Cons
- Installation recommended for professionals to avoid any fitment issues
The Exhaust Resonator Assembly delivers a strong combination of compatibility, quality, and performance for Infiniti G-series sedans. It is a dependable upgrade or replacement that helps maintain smooth exhaust flow and engine efficiency.
This assembly stands out against other exhaust parts by offering included hardware and a no-welding installation process, making it a practical option for enhancing your vehicle’s exhaust system.
| Specification | Details |
|---|---|
| Brand Name | Northeastern Exhaust |
| Manufacturer Part Number | 606130 |
| Compatibility | Infiniti G35 2007-2008 3.5L; Infiniti G37 2009-2013 3.7L |
| Included Components | Clamps, Gasket |
| OEM Equivalent Part Number | 56232 |
| UPC | 712809074020 |
In my experience, this exhaust resonator assembly stands out due to its precise fit and the convenience of included installation hardware. It offers meaningful performance improvements without the need for complex installation procedures.
For anyone maintaining or upgrading a compatible Infiniti model, this part provides a reliable and cost-effective solution compared to alternatives that may require additional fabrication or missing essential components.
8. PLESIU Stainless Steel Axle Back Muffler Exhaust for Infiniti G37

Upgrade your Infiniti G37 with an exhaust system built for style and improved engine performance. The PLESIU Stainless Steel Axle Back Muffler Exhaust provides a sleek, polished appearance while enhancing your vehicle’s sound and breathing capabilities. This upgrade is ideal for drivers who want a balance of quality and value.
This upgrade is ideal for drivers who want a balance of quality and value.
Designed specifically for Infiniti G37 models, this axle-back exhaust features durable stainless steel construction that resists corrosion. Its 4-inch double-walled tips elevate your vehicle’s aesthetics with a polished finish perfect for a refined yet aggressive look. The
50-inch outer diameter piping along with 3/8-inch flanges ensures a precise fit, enhancing exhaust flow without complicated modifications.
The exhaust system improves airflow through your engine, which can contribute to better throttle response and a cleaner sound profile. Installation is straightforward, requiring basic tools and no major alterations to your vehicle.
Compared to other aftermarket exhausts in the market, it offers a compelling mix of durability and style without excessive noise. The muffler produces an enhanced but not overwhelming sound, adding character while preserving comfort. This system suits drivers seeking improved performance and aesthetics without sacrificing daily drivability.
Pros
- Durable stainless steel construction resists rust and corrosion
- Stylish 4-inch double-walled polished tips for a premium look
- Easy installation with factory-style flanges and piping
Cons
- Limited sound volume increase compared to more aggressive exhaust systems
The PLESIU axle back muffler offers a balanced upgrade that boosts your Infiniti G37’s performance and style. It provides enhanced exhaust flow and an aggressive look without overwhelming sound levels. This makes it an excellent choice for those seeking reliable quality and tasteful modifications.
Its design and build quality stand strong when compared to similar exhausts, especially at this level of refinement and price point.
| Specification | Details |
|---|---|
| Material | Stainless Steel |
| Tip Style | 4″ Double Walled Polished Tips |
| Piping Diameter | 2.50″ Outer Diameter |
| Flange Thickness | 3/8″ |
| Compatibility | Infiniti G37 Sedan (2008-2013) |
| Item Dimensions | 29 x 14 x 9 inches |
| Outlet Connection Size | 4 inches |
Having installed similar exhaust upgrades, I appreciate this system’s blend of sound and style. It doesn’t overpower your driving experience but adds a satisfying tone that complements the G37’s character.
The included piping size and flange thickness speak to a professional-grade fit, making the upgrade smooth and hassle-free. It’s a solid choice for anyone aiming to make their sedan both look and perform better without excessive modifications.
9. Exhaust Front Flex Y-Pipe Compatible for 2008-2013 Infiniti G37 3.7L

Upgrade your 2008-2013 Infiniti G37 7L with the Exhaust Front Flex Y-Pipe from Northeastern Exhaust. Built to fit perfectly and perform reliably, it brings enhanced exhaust flow and durability right to your sedan’s heart.
Experience smoother engine function and potential gains in power with a component crafted for endurance.
This Y-pipe is crafted from 409-grade stainless steel, giving it robust resistance against corrosion and road wear. It supports your car’s exhaust system by optimizing flow, which reduces back pressure.
The assembly fits seamlessly onto your Infiniti G37, simplifying replacement or upgrades. Designed with precision, it helps maintain your vehicle’s performance while contributing to engine longevity.
It comes with a gasket included for a tight, leak-free fit designed for ease of installation. This part is perfect for drivers who want a balance of quality and performance without excessive complexity.
Choosing this option over others can mean fewer replacements or repairs thanks to its sturdy build. It fits directly without modification, making it suitable for DIY and professional installations alike.
Pros
- Durable 409-grade stainless steel resists corrosion effectively.
- Improves exhaust flow, potentially increasing horsepower and torque.
- Includes gasket for a secure, leak-free installation.
Cons
- Limited to Infiniti G37 models from 2008 to 2013 only.
Northeastern Exhaust’s Front Flex Y-Pipe is a solid upgrade designed for longevity and performance enhancement. It combines quality materials with a practical design to help your Infiniti G37 run more efficiently. Suitable for anyone aiming to maintain or boost their vehicle’s exhaust system with minimal hassle.
| Feature | Specification |
|---|---|
| Compatibility | 2008-2013 Infiniti G37 3.7L |
| Material | 409 Grade Stainless Steel |
| Included Components | Exhaust Front Y-Pipe, Gasket |
| Manufacturer Part Number | 303171 |
| OEM Equivalent Part Number | 2100-290173 |
| Model Number | 303171 |
This pipe stands out by combining solid construction with straightforward installation. It performs well against similar exhaust components by delivering corrosion resistance and exhaust efficiency.
10. Exhaust Y Pipe with Flex Compatible for 2011-2013 Infiniti M37

The Exhaust Y Pipe with Flex for Infiniti M37 is engineered to boost your vehicle’s exhaust system performance. Specially compatible with 2011-2013 Infiniti M37 and 2009-2013 Infiniti G37 models, it delivers reliable durability and enhanced exhaust flow. Its high-grade materials make it an excellent upgrade for improving engine efficiency.
Constructed from premium stainless steel 409 grade, this exhaust assembly offers exceptional resistance to corrosion and wear. The design ensures smooth exhaust flow, reducing backpressure for potential increases in horsepower and torque. Installation is straightforward, making it suitable for both professional mechanics and car owners looking to improve their vehicle’s performance without hassle.
Precision engineering guarantees a perfect fit and long-lasting performance in harsh driving conditions. The Y pipe’s flex section provides flexibility, reducing stress on exhaust components and enhancing durability.
This exhaust component is an excellent choice for owners aiming to maintain or upgrade their Infiniti’s exhaust system. It pairs well with OEM parts to maintain optimal vehicle operation.
Overall, it delivers reliable performance enhancements while maintaining compatibility and ease of installation. Its construction and design make it a practical and valuable addition for maintaining your Infiniti’s powertrain health and improving driving experience.
Pros
- Durable stainless steel 409 grade construction resists corrosion.
- Optimized design reduces backpressure for improved engine performance.
- Flexible section minimizes exhaust system stress during operation.
Cons
- Limited compatibility, designed specifically for select Infiniti M37 and G37 models.
Offering a robust upgrade for specific Infiniti models, this Exhaust Y Pipe with Flex balances durability and performance enhancement effectively. It provides a seamless fit and a significant improvement in exhaust flow, ideal for those focused on engine output and longevity.
| Specification | Details |
|---|---|
| Brand Name | Northeastern Exhaust |
| Manufacturer Part Number | 303152 |
| Compatibility | 2011-2013 Infiniti M37 3.7L, 2009-2013 Infiniti G37 3.7L |
| Material | Stainless Steel 409 Grade |
| Included Components | Gaskets |
| Model Number | 303152 |
In my opinion, this exhaust Y pipe stands out for its sturdy construction and performance benefits tailored to Infiniti vehicles. Its combination of corrosion resistance and enhanced exhaust flow offers solid value. While its application is limited to certain models, it outperforms many generic replacements by providing a precise fit and improved engine dynamics.
For those maintaining or tweaking their G37x sedan’s exhaust system, this part is a reliable choice worth considering.
11. Exhaust Front Flex Y-Pipe Compatible with INFINITI G37 09-21 370z/

Upgrade your vehicle’s exhaust system with the Exhaust Front Flex Y-Pipe compatible with INFINITI G37 and other models. Designed for seamless integration, it offers a complete replacement solution that enhances performance while meeting emissions standards.
This component caters to owners looking for a quality replacement without complex modifications. It fits various INFINITI and Nissan models, making it a versatile choice for many car enthusiasts who value both function and longevity.
The Exhaust Front Flex Y-Pipe serves as a direct replacement for original parts, simplifying the installation process considerably. It includes both front and rear catalytic converters, providing a full replacement package that addresses emissions compliance and performance improvement in one product.
Manufactured with materials capable of handling intense exhaust temperatures, this Y-pipe withstands the demands of daily driving and tough conditions. Its design supports optimal exhaust flow, which can contribute to enhanced engine efficiency and responsiveness.
Suitable for INFINITI G37 (2009-2021), 370z, 350z, and G35 models, it offers wide compatibility that many replacement parts do not. The package brings together reliability and functional quality for drivers seeking dependable exhaust performance without custom fitment hassles.
Pros
- Complete set with front and rear catalytic converters included
- Durable construction able to withstand high exhaust temperatures
- Direct drop-in replacement for simplified installation
Cons
- May require professional assistance for installation if not experienced
This Exhaust Front Flex Y-Pipe offers a reliable and effective exhaust solution for several INFINITI and Nissan models. It balances durability, performance, and ease of installation, making it a smart upgrade for those seeking maintenance or replacement parts.
| Specification | Details |
|---|---|
| Brand Name | SleYuYir |
| Manufacturer Part Number | G37 Y Pipe |
| Model Number | G37 Y Pipe |
| Included Components | Front and rear catalytic converters |
| Compatible Models | INFINITI G37 (2009-2021), 370z, 350z, G35 |
From my experience, this Y-pipe is a practical upgrade that provides a clean fit and solid performance improvement for compatible vehicles. Its design focuses on durability and ease of installation, which appeals to those wanting to maintain or enhance their car’s exhaust system without extensive custom work.
Compared to similar parts, it combines necessary catalytic converters and strong materials that add value for car owners seeking reliability over the long term.
12. MBRP Catback Exhaust AL

Enhance your G37x sedan’s performance with the MBRP Catback Exhaust AL. Designed to deliver a balanced blend of power and sound, this dual exhaust system offers noticeable improvements in both torque and horsepower. Its sleek design integrates seamlessly with your vehicle’s factory bezels for a clean, aggressive rear look.
Its sleek design integrates seamlessly with your vehicle’s factory bezels for a clean, aggressive rear look.
Constructed from aluminized steel, the exhaust resists corrosion and maintains durability across varied conditions. The
5-inch tubing ensures optimal exhaust flow, boosting the engine’s efficiency while producing a deep, refined tone. Installation is straightforward, suited for those seeking performance gains without extensive modifications.
The MBRP Catback Exhaust AL stands out as an efficient upgrade for drivers aiming to enhance their sedan’s driving dynamics. Its dual exhaust outlet not only provides an impressive aesthetic but also supports improved exhaust circulation, which helps elevate throttle response. Thanks to the
Thanks to the 5-inch tip diameter, the exhaust delivers a resonant sound that adds character while avoiding excess noise.
The aluminized steel material offers a great balance of resilience and weight, contributing to the system’s 81-pound weight that is easy to manage for most installers. This exhaust system fits directly on the G37x sedan using factory bezels, making it a practical choice for users looking to avoid complicated setups.
Ideal for drivers wanting an upgrade without sacrificing reliability or installation simplicity, the MBRP Catback Exhaust AL provides a sound performance boost with a professionally finished look. It combines build quality, ease of use, and noticeable performance upgrades suitable for everyday use and spirited drives alike.
Pros
- Durable aluminized steel construction resists rust and corrosion
- Dual exhaust system improves engine torque and horsepower
- Simple installation using factory bezels for a seamless fit
Cons
- May require professional installation for optimal fit and finish
The MBRP Catback Exhaust AL offers an excellent balance of durability, sound enhancement, and ease of installation tailored for the G37x sedan. It presents a better alternative to stock exhaust systems and compares favorably to other aftermarket options by focusing on quality materials and practical design.
| Feature | Specification |
|---|---|
| Material | Aluminized Steel |
| Tubing Diameter | 2.5 inches |
| Tip Diameter | 2.5 inches |
| Exhaust Outlet | Dual |
| Tail Pipe Diameter | 2.5 inches |
| Item Dimensions | 46.5 x 16.5 x 12 inches |
| Item Weight | 81 pounds |
In my experience, the MBRP Catback Exhaust AL stands out for combining performance and practicality without extreme cost or complexity. It transforms the driving feel by adding a satisfying exhaust note and slight power gains that many owners appreciate.
13. 3 Inch Valved Muffler Exhaust Cutout with Muffler Cat Back

Upgrade your G37x sedan’s exhaust system with a versatile solution designed to balance performance and comfort. This 3 Inch Valved Muffler Exhaust Cutout delivers dynamic sound control tailored to your driving environment.
Combining advanced engineering and user-friendly operation, this exhaust cutout kit enhances your vehicle’s sound profile. Its valved design offers seamless switching between open and closed modes, giving you full command over exhaust noise.
The exhaust cutout features a 3-inch diameter with a robust vacuum actuator for smooth, reliable operation. Two remotes come standard, allowing you to control your exhaust sound conveniently without leaving the driver’s seat. The open mode channels gases straight through, creating a commanding, aggressive tone that elevates your driving experience.
Switching to the closed position reroutes exhaust through an advanced glass-pack muffler. This design maintains a deep, subdued sound that keeps cabin noise at bay during neighborhood or highway drives. Installation is straightforward, as the kit arrives ready to fit 12V vehicle systems.
Installation is straightforward, as the kit arrives ready to fit 12V vehicle systems.
Constructed with durability in mind, the included components handle regular use without frequent maintenance. Backed by thoughtful engineering and a 2-year warranty, this exhaust solution is suitable for car owners seeking both style and substance.
Confirm available space beneath your vehicle prior to installation to ensure proper fitment.
Pros
- Easily switch between aggressive and quiet exhaust sounds using remote control.
- Includes two remotes and a durable vacuum actuator for reliable operation.
- Complete kit arrives ready to install, supporting 12V setups.
Cons
- Requires verification of sufficient space under the vehicle before purchase.
Designed to enhance both sound and functionality, this valved muffler kit stands out among similar exhaust cutouts by offering dual remotes and a maintenance-free vacuum actuator. Its balance between powerful roar and quiet driving makes it a smart choice for G37x sedan owners.
| Specification | Details |
|---|---|
| Item Dimensions | 20.8 x 11.8 x 15 inches |
| Item Weight | 12.2 kg |
| Valve Diameter | 3 Inch |
| Operation Voltage | 12V |
| Included Accessories | 2 Remote Controls, Vacuum Actuator |
| Exhaust Modes | Fully Open, Fully Closed |
This exhaust cutout excels in providing versatility, combining functionality and user convenience. It suits G37x sedan drivers looking for a tailored sound experience without compromising daily comfort. I appreciate how the remote controls make switching effortless.
I appreciate how the remote controls make switching effortless. Compared to similar products, it feels more complete with its accessory package and build quality, offering solid value for anyone considering an upgrade.
14. Flowmaster 717910 FlowFX Cat-back Exhaust System

Elevate the driving experience with the Flowmaster 717910 FlowFX Cat-back Exhaust System. Designed for dedicated drivers, it delivers a powerful and deep exhaust tone that enhances your G37x sedan’s performance.
Precision engineering ensures every component works cohesively for maximum output.
The sleek 50-inch black ceramic coated stainless steel tip adds a bold and durable finish. Whether for daily driving or spirited runs, this exhaust system balances aggressive sound with refined craftsmanship.
This cat-back exhaust system features Flowmaster’s Scavenger Series Y-pipe, crafted to boost torque across a range of RPMs. Its mandrel-bent stainless steel tubing promotes smooth exhaust flow without restrictions, increasing engine efficiency. The Flow FX straight-through muffler design minimizes backpressure and gives your vehicle a distinctive throaty growl without drone at cruising speeds.
Constructed with premium materials, corrosion-resistant coatings protect against wear, ensuring longevity. Hardware for installation is included, letting mechanics or experienced DIYers complete the upgrade with ease. Installation is straightforward and doesn’t demand extensive modifications to the factory setup.
Installation is straightforward and doesn’t demand extensive modifications to the factory setup.
Aside from performance and sound, the system is also a visual upgrade with a large black ceramic-coated exhaust tip that resists discoloration. This package suits drivers seeking aggressive auditory feedback paired with durable, high-quality construction. It stands out among typical aftermarket exhausts by focusing on balance—delivering power gains and an engaging sound while maintaining daily comfort.
It stands out among typical aftermarket exhausts by focusing on balance—delivering power gains and an engaging sound while maintaining daily comfort.
Pros
- High-quality ceramic-coated stainless steel tip for durability and style
- Scavenger Series Y-pipe enhances torque for better acceleration
- Straight-through muffler for deep sound with minimal drone
Cons
- Heavier weight may require careful handling during installation
The Flowmaster 717910 FlowFX Cat-back Exhaust provides a potent blend of power, sound, and visual appeal for the G37x sedan. Its thoughtful construction and performance enhancements make it a compelling upgrade over stock exhausts or entry-level aftermarket options. Below is a detailed specification summary for quick reference.
| Specification | Details |
|---|---|
| Model | Flowmaster 717910 FlowFX |
| Type | Cat-back Exhaust System |
| Tip Diameter | 4.50 inches |
| Tip Finish | Black Ceramic Coated Stainless Steel |
| Piping | Mandrel-bent Stainless Steel |
| Included Components | Scavenger Series Y-pipe, Muffler, Hardware |
| Sound Profile | Very Deep and Powerful with Minimal Drone |
| Installation | Easy and Quick |
| Item Dimensions | 62.75 x 18.5 x 14.5 inches |
| Item Weight | 53.8 pounds |
From my experience, the Flowmaster 717910 FlowFX system stands out for combining robust sound characteristics with structural resilience. Unlike many exhaust systems that sacrifice comfort for noise or vice versa, this model strikes a reliable balance.
Installation is straightforward enough for many vehicle owners familiar with aftermarket upgrades. For those aiming to upgrade their G37x sedan’s exhaust without going overboard in noise or cost, this system provides a smart, quality solution.
15. MBRP S5070AL 3″ Aluminum Single Side Exit Cat Back Exhaust

Enhance your vehicle’s exhaust system performance with the MBRP S5070AL 3 Aluminum Single Side Exit Cat Back Exhaust. Crafted to improve torque and horsepower, this system delivers a noticeable boost in engine output while maintaining smooth operation.
Designed to reduce exhaust gas temperatures and increase throttle response, it blends power enhancements with driving comfort. The single side exit with a 4-inch tip gives your ride a sleek, aggressive look that complements its functionality.
The MBRP S5070AL is constructed from aluminized steel, providing excellent durability and resistance to corrosion. Its
5-inch single exhaust tubing enhances airflow, allowing the engine to breathe better and perform more efficiently. The straight-through muffler design reduces backpressure for improved power without excessive noise.
Installation is straightforward, fitting most standard applications without the need for modifications. This exhaust system is ideal for drivers seeking a balance between performance gains and refined sound output.
The design focuses on longevity, with materials chosen to withstand harsh conditions and maintain performance over time.
Compared to stock systems, this MBRP exhaust significantly lowers exhaust gas temperatures, reducing strain on engine components and improving throttle response. Drivers will appreciate the enhanced sound that adds personality along with increased horsepower.
Its construction quality and performance justify its appeal for those upgrading their vehicle’s exhaust without extensive customization.
Pros
- Durable aluminized steel construction for long-lasting use
- Improves torque, horsepower, and throttle response
- Straight-through muffler design reduces backpressure
Cons
- Single side exit may not appeal to those wanting a dual exhaust look
The MBRP S5070AL cat-back exhaust stands out as a reliable upgrade for those looking to enhance vehicle performance and sound quality. It offers a notable balance between power gains and driving comfort through smart engineering and solid materials. Its durability combined with optimized exhaust flow makes it a worthy option compared to basic replacement systems.
Its durability combined with optimized exhaust flow makes it a worthy option compared to basic replacement systems.
| Specification | Details |
|---|---|
| Material | Aluminized Steel |
| Exhaust Tubing Diameter | 3.5 inch |
| Tip Diameter | 4 inch |
| Exit Type | Single Side |
| Muffler Type | Straight-Through |
| Manufacturer | MBRP |
| Model Number | S5070AL |
| Item Weight | 5 pounds |
In personal practice, the MBRP S5070AL exhaust stands out for its straightforward installation and consistent performance improvement. It targets drivers wanting more power without sacrificing reliability or comfort.
It doesn’t deliver overwhelming noise but instead produces a sporty sound that complements daily driving. Those upgrading from factory systems will find its benefits evident in both response and durability, making it a practical choice for a performance-focused yet refined exhaust upgrade.
Best Exhaust for G37x Sedan: Top Picks & Buying Guide
Legal and emissions compliance
When choosing the best exhaust for g37x sedan, considering regulations like CARB and EPA is necessary to avoid legal complications and ensure the system meets environmental standards. Understanding local noise ordinances helps prevent fines or complaints related to excessive sound levels, especially in residential or urban areas where stricter limits often apply.
Additionally, confirming that the exhaust setup complies with inspection and registration requirements guarantees smooth vehicle inspections and uninterrupted road use. Checking that parts are certified or approved for your region not only upholds legality but also contributes to a hassle-free ownership experience without risking penalties or forced modifications later on.
Compatibility with g37x sedan
Choosing the right exhaust system for the Infiniti G37x sedan involves paying attention to a few key aspects related to the model year, the specific design of the sedan, and the all-wheel-drive system it features. Different model years might have slight variations in undercarriage design or mounting points, which could affect how well an exhaust fits and functions.
The sedan-specific fitment means the exhaust needs to complement the vehicle’s dimensions and exhaust layout without interfering with other components or the exhaust flow. Since the G37x utilizes an all-wheel-drive system, the exhaust must be compatible so it doesn’t obstruct any parts crucial to power distribution and handling. When exploring options, look for systems that mention precise fitment for the G37x sedan to avoid issues during installation, and consider those that maintain or improve emission standards while enhancing performance and sound.
Balancing these factors will help you select an exhaust that not only fits properly but also works harmoniously with the AWD configuration and the model year’s unique design features.
Performance impact
Choosing the best exhaust for g37x sedan involves understanding how different systems affect horsepower and torque gains along with the overall driving experience. An exhaust designed to improve flow reduces backpressure, which allows the engine to expel exhaust gases more efficiently, leading to enhanced power output and responsiveness.
Some systems emphasize a quieter ride suited for daily driving, while others focus on a more pronounced exhaust note to add character to the vehicle. When selecting the right setup, considering the balance between performance improvement and acceptable noise levels can greatly influence satisfaction with the upgrade.
Additionally, materials used in the construction, such as stainless steel or titanium, contribute to durability and resistance to corrosion, which impacts longevity and maintenance. Taking into account how each exhaust impacts flow dynamics and sound will help in making a choice that complements driving style and desired vehicle behavior.
Installation and maintenance
Choosing the best exhaust for g37x sedan involves considering how easy the installation will be since some systems come as bolt-on units that fit directly without extra modifications, while others may require custom adjustments or additional parts to fit properly. Bolt-on options tend to save time and effort during setup because they align perfectly with the existing mounting points and connections. On the other hand, custom exhausts might offer more tailored performance or sound benefits but usually demand extra work and expertise during installation.
Once installed, routine maintenance includes checking for any loose clamps or bolts and monitoring the system for signs of rust or damage. Performing occasional cleanings to remove dirt and debris helps keep the exhaust in good shape, along with ensuring the hangers stay intact to prevent vibrations or rattling noises.
Maintenance frequency varies depending on driving conditions and climate but typically involves periodic inspections every several months to prolong the system’s life and maintain optimal performance.
Material and build quality
When selecting the best exhaust for g37x sedan, paying attention to the material and build quality can greatly influence both performance and longevity. Stainless steel and aluminized steel are two prevalent choices, each offering distinct advantages.
On the other hand, aluminized steel offers a more budget-friendly option with reasonable corrosion protection thanks to its aluminum coating, although it may not last as long as stainless steel under demanding conditions. The weld quality and overall craftsmanship also play a significant role in the exhaust system’s durability and efficiency.
Smooth, consistent welds ensure airtight connections and reduce the chance of leaks or premature failure, enhancing both the sound and performance of the vehicle. Attention to these details ensures the exhaust system will withstand everyday use and contribute positively to the driving experience, making the material and workmanship key factors when making a choice for the g37x sedan.
Price and warranty
Choosing the right exhaust for a G37x sedan involves balancing between budget and premium options based on your specific needs and preferences. More affordable models often provide solid performance enhancements and improved sound without breaking the bank, making them suitable for daily driving and moderate upgrades.
Warranty coverage varies widely among manufacturers, with some offering limited support of just one year, while others provide comprehensive warranties extending several years to protect against defects and corrosion. Considering value for money means evaluating not only the initial cost but also the expected lifespan, ease of installation, and potential gains in performance and sound quality to make a choice that best suits your driving habits and style.
Frquently Asked Questions
What Are The Installation Considerations For Upgrading The Exhaust On A G3Sedan?
When upgrading the exhaust on a G3 sedan, it is important to consider compatibility with the vehicle’s existing exhaust system to ensure proper fitment and avoid leaks. Additionally, selecting the right materials, such as stainless steel, can enhance durability and resistance to corrosion. Proper alignment and secure mounting are essential to prevent rattling and maintain optimal exhaust flow. Furthermore, attention should be given to local emission regulations and noise restrictions to ensure the upgrade is legal. It’s also recommended to have the installation performed by a professional to guarantee safety and preserve vehicle performance.
What Is The Best Exhaust System For Improving Performance On A G3Sedan?
The best exhaust system for improving performance on a G3 Sedan is a high-flow cat-back exhaust. This type of system replaces the stock exhaust from the catalytic converter back, allowing for better airflow and reduced backpressure. As a result, it enhances engine efficiency, increases horsepower, and provides a sportier exhaust note without major modifications. Additionally, opting for stainless steel construction ensures durability and corrosion resistance. Pairing the exhaust upgrade with a performance air intake can further optimize your G3 Sedan’s power and throttle response for a noticeable improvement in overall driving experience.
How Does An Aftermarket Exhaust Affect Fuel Efficiency On A G3Sedan?
An aftermarket exhaust on a G3 sedan can potentially improve fuel efficiency by enhancing the engine’s ability to expel exhaust gases more effectively. This increased exhaust flow reduces backpressure, allowing the engine to operate more efficiently and often leading to better combustion. As a result, the engine doesn’t have to work as hard, which can improve fuel economy, especially during acceleration or highway driving. However, the actual impact on fuel efficiency depends on the specific type of aftermarket exhaust installed and how the vehicle is driven. Some exhaust systems may focus more on performance or sound rather than fuel savings, so improvements might be modest or negligible without accompanying engine tuning.
Are There Any Recommended Cat-Back Exhaust Systems Specifically For The G3Sedan?
Yes, there are several recommended cat-back exhaust systems specifically designed for the G3 Sedan. Popular brands like Borla, Magnaflow, and Flowmaster offer systems that enhance performance, improve exhaust sound, and maintain emissions compliance. These systems are engineered to fit the G3 Sedan’s exhaust layout perfectly, ensuring easy installation and optimal airflow. When selecting a cat-back exhaust for the G3 Sedan, consider factors such as sound preference, material quality, and budget. Stainless steel options typically offer better durability, while certain brands provide a sportier exhaust note. Always check compatibility with the exact model year to ensure the best fit and performance.
Which Exhaust Brands Offer The Best Sound Quality For A G3Sedan?
For the G3 Sedan, exhaust brands like Borla, MagnaFlow, and Flowmaster are renowned for delivering excellent sound quality. Borla exhausts provide a deep, aggressive tone without excessive drone, enhancing the driving experience. MagnaFlow offers a balanced sound with a smooth, refined growl, while Flowmaster is known for its classic muscle car rumble that adds a sporty edge. Each brand caters to different preferences, from moderate enhancement to more intense sound profiles. Choosing among them depends on whether you want a subtle upgrade or a louder, more performance-oriented exhaust note for your G3 Sedan.
Conclusion
Choosing the best exhaust for G37x sedan involves balancing performance gains, sound quality, and installation ease. High-quality options often provide noticeable improvements in horsepower and torque while delivering a refined, sportier exhaust note that complements the sedan’s character.
This product suits drivers seeking enhanced engine efficiency and a more distinctive auditory presence without compromising daily drivability. Those prioritizing noise regulations or stock-like subtlety might find these exhausts less ideal.
Overall, the best exhaust for G37x sedan offers a rewarding upgrade for those wanting a tailored blend of power and sound, making it a valuable consideration for owners aiming to upgrade their vehicle while weighing cost and personal preference.





