Top 10 Best Exhaust for G37 Sedan to Boost Performance
The best exhaust for G37 sedan plays a critical role in optimizing engine performance and sound dynamics. Modern exhaust systems incorporate advanced materials like stainless steel and titanium, which improve durability and reduce weight. Technologies such as mandrel bending and precision welding enhance exhaust flow, contributing to increased horsepower and torque.
Selecting the right exhaust also impacts fuel efficiency and emission control, making it a crucial upgrade for enthusiasts aiming to balance power and eco-friendliness. From cat-back to axle-back systems, understanding differences in design and installation can influence overall vehicle responsiveness and auditory experience.
Exploring the best exhaust for G37 sedan uncovers a range of options tailored to specific driving styles and performance goals. Dive into this guide to uncover which systems set new standards in innovation and performance enhancements.
best exhaust for g37 sedan: + Top Picks for 2026
| Image | Product | Buy |
|---|---|---|
Top Picks- 1 ![]() | Exhaust Front Flex Y-Pipe Compatible with INFINITI G25 / G35 Best for: Flex pipe replacement | Check Price On Amazon |
Top Picks- 2 ![]() | Exhaust | Stainless Steel Exhaust Direct Fit Y Pipe Compatible Best for: Stainless steel direct fit | Check Price On Amazon |
Top Picks- 3 ![]() | Northeastern Exhaust | Stainless Steel Pair of Exhaust Muffler Compatible Best for: Muffler pair set | Check Price On Amazon |
Top Picks- 4 ![]() | Exhaust Header Pipe Kit Compatible with Nissan 370Z 2009-2018 Infiniti Best for: Header pipe upgrade | Check Price On Amazon |
Top Picks- 5 ![]() | PLESIU Stainless Steel Axle Back Muffler Exhaust for Infiniti G37 Best for: Axle-back muffler | Check Price On Amazon |
1. Exhaust Front Flex Y-Pipe Compatible with INFINITI G25 / G35

Best for: Durable corrosion-resistant stainless steel build.
Crafted from 409-grade stainless steel, this front flex Y-pipe ensures longevity by resisting rust and corrosion under diverse driving conditions. Its robust construction allows drivers to maintain optimal exhaust flow without frequent replacements or repairs.
With dimensions of 4 x 35 x 30 inches and weighing 51 pounds, this Y-pipe fits seamlessly in Infiniti G37 and other compatible models. The package includes essential gaskets and clamps, simplifying professional installation without the need for welding.
Pros
- 409-grade stainless steel for corrosion resistance
- Includes free gaskets and clamps for installation
- No welding required for fitting
- Compatible with multiple Infiniti models
Cons
- Heavier 51-pound weight might require careful handling during installation
Ideal for Infiniti G37 owners seeking a long-lasting exhaust front flex Y-pipe that withstands harsh environments. This product suits drivers prioritizing durability and easier professional installation.
2. Exhaust | Stainless Steel Exhaust Direct Fit Y Pipe Compatible

Best for: Designed specifically for 2009-2013 Infiniti G37 3.7L V6.
Constructed from corrosion-resistant 409 stainless steel, this direct-fit Y-pipe precisely matches the 2009-2013 Infiniti G37 3.7L V6 exhaust system. It facilitates improved exhaust flow while maintaining factory specifications for seamless integration.
Measuring within standard OEM dimensions and replacing OE part 303152, the pipe supports EPA compliance. Installation is straightforward, allowing professionals to fit the Y-pipe quickly and efficiently using included components tailored for exact fitment.
Pros
- 409-grade stainless steel for durability
- EPA compliant replacement for OE 303152
- Tailored fit for 2009-2013 G37 3.7L V6 models
- Simple installation with included parts
Cons
- Limited compatibility strictly to specified model years
Perfect for G37 enthusiasts wanting a precise direct-fit Y-pipe that balances performance and straightforward installation. The kit suits those focused on maintaining factory exhaust specifications.
3. Northeastern Exhaust | Stainless Steel Pair of Exhaust Muffler Compatible

Best for: Pair of stainless steel exhaust mufflers with included clamps.
This pair of 409-grade stainless steel exhaust mufflers provides enhanced durability and corrosion resistance, extending the service life while contributing to improved sound control for Infiniti sedans.
Each muffler comes with clamps and gaskets included, promoting hassle-free, welding-free professional installation. The product supports various OEM numbers, ensuring compatibility with multiple Infiniti exhaust configurations, and weighs approximately a standard amount for its class.
Pros
- 409 stainless steel for long-lasting corrosion protection
- Includes clamps and gaskets for easy fitting
- No welding required for installation
- Compatible with various OEM exhaust muffler part numbers
Cons
- No sound level specifications provided for muffler tone
Suited for owners replacing OEM mufflers on Infiniti G37 sedans aiming for reliable durability and easier installation. Ideal choice for drivers focused on robust stainless steel components.
4. Exhaust Header Pipe Kit Compatible with Nissan 370Z 2009-2018 Infiniti

Best for: Complete header pipe kit for 3.7L V6 Infiniti G37 and Nissan 370Z.
This exhaust header kit includes dual stainless steel pipes plus all necessary gaskets, bolts, and hardware, enabling comprehensive exhaust system replacement tailored to 3.7L V6 Infiniti G37 and Nissan 370Z models.
Constructed from premium stainless steel, the pipes resist wear and corrosion over time. The complete package ensures buyers receive all parts needed for professional installation, reducing downtime and potential missing components during fitment.
Pros
- Includes left and right header pipes
- Premium stainless steel construction for durability
- Comes with all installation hardware
- Compatible with Infiniti G37 and Nissan 370Z 3.7L V6
Cons
- Short 30-day warranty might limit long-term support
Recommended for G37 sedan owners looking to replace or upgrade exhaust headers with a full kit that includes every essential part. This option benefits those wanting an all-in-one solution.
5. PLESIU Stainless Steel Axle Back Muffler Exhaust for Infiniti G37

Best for: Polished stainless steel axle-back with stylish double-walled tips.
Featuring polished stainless steel with 4-inch double-walled tips, this axle-back exhaust enhances the Infiniti G37’s rear styling while improving exhaust flow for a breathier engine performance.
It uses 2.50-inch outer diameter piping combined with 3/8-inch thick flanges, increasing durability and ensuring tight, leak-free connections. Designed to improve engine breathing, it also supports refinements in sound and aesthetics.
Pros
- Polished stainless steel finish for premium look
- 4-inch double-walled tips enhance visual appeal
- 2.50-inch OD piping improves exhaust flow
- 3/8-inch flanges provide secure connections
Cons
- Focuses on aesthetic and flow; does not include catalytic converters
Ideal for G37 drivers wanting a visually striking axle-back exhaust that boosts flow and sound. Perfect for enthusiasts seeking both style and performance improvements at the tailpipe.
6. Exhaust Resonator Pair of Muffler Kit Compatible with INFINITI G35

Best for: Stainless steel resonator kit for G35 and G37 exhaust flow optimization.
This resonator assembly is built from 409-grade stainless steel to withstand corrosive environments while optimizing exhaust flow for 3.5L and 3.7L Infiniti G series sedans, potentially enhancing horsepower via reduced back pressure.
It includes clamps and gaskets for installation without welding, making it convenient for professional fitters. Compatible across multiple model years, the resonator balances durability with performance enhancements and easy maintenance.
Pros
- 409 stainless steel for corrosion resistance
- Includes clamps and gaskets for seamless installation
- Reduces back pressure to support engine power
- Fits Infiniti G35 and G37 models across years
Cons
- Performance gains not quantitatively specified
Suitable for Infiniti G37 owners focused on exhaust tuning through resonators aimed at flow improvement and durability. Best for those upgrading original components with minimal fuss.
7. Exhaust Headers For Nissan 370z 2009-2018 & For Infiniti 2008-2013

Best for: Polished 304 stainless steel headers with 5-year warranty coverage.
Manufactured from high-purity 304 stainless steel, these polished exhaust headers offer 50% better corrosion resistance than standard grades. They are CNC-machined and TIG-welded to guarantee precision fitment and long-lasting durability.
Designed for Infiniti G37 VQ37VHR 3.7L V6 engines, these headers provide smooth burr-free edges for easy installation. The package includes an extended 5-year warranty, ensuring confidence in material quality and workmanship.
Pros
- 304-grade stainless steel with increased rust resistance
- CNC-machined and TIG-welded for precision and strength
- Polished finish for corrosion protection
- Extended 5-year manufacturer warranty
Cons
- Limited to specific engine and model years
Perfect for performance-focused G37 sedan owners seeking premium-quality headers with long-term protection. Ideal for those ready to invest in durable, precise exhaust upgrades.
8. Exhaust Resonator Assembly Compatible with Infiniti G35 2007-2008 3.5L |

Best for: Resonator assembly with easy bolt-on installation hardware.
Optimized for 3.5L and 3.7L Infiniti G35 and G37 models, this resonator assembly simplifies installation by including gaskets and clamps. Its stainless steel construction offers corrosion resistance, supporting long-term system integrity.
Professionals benefit from the no-weld design, saving time during installation. With a direct fit to OEM specifications, it enhances exhaust flow while maintaining emission standards across multiple model years.
Pros
- 409 stainless steel for durability
- Includes all necessary clamps and gaskets
- Welding-free installation for technician convenience
- Compatible with G35 and G37 exhaust systems
Cons
- Absence of detailed performance metrics
Great for Infiniti G37 owners needing a straightforward resonator upgrade with simplified professional installation. Perfect for maintaining OEM-level exhaust quality.
9. Dc Sports Y Pipe For Use With (09-21 370z/ 03-08

Best for: High-flow Y pipe with increased piping diameter for performance gains.
The DC Sports Y pipe boasts 2.5-inch, 16-gauge piping designed to enhance exhaust flow, leading to potential performance improvements. It deletes the flex section, resulting in quicker throttle response and improved ground clearance.
This 3-inch rear flange Y pipe comes with gaskets and hardware for effortless bolt-on installation. Its robust 16-gauge construction offers durability, while removing the flex section reduces flex-induced exhaust restrictions.
Pros
- 2.5-inch 16-gauge piping for improved exhaust flow
- Removes flex section to optimize exhaust system
- 3-inch rear flange included for tight connections
- Quick bolt-on installation with included hardware
Cons
- Lacks flex section which may impact vibration absorption
Recommended for Infiniti G37 drivers seeking exhaust flow upgrades and better ground clearance. Best for those prioritizing performance and ready for minor trade-offs on vibration dampening.
10. Exhaust Pipe kit For 2009-2018 Nissan 370z & 2008-2013 Infiniti

Best for: Complete stainless steel pipe kit with long 3-year warranty.
Made from premium 304 stainless steel, this complete exhaust pipe kit offers exceptional resistance to rust and environmental damage. It supports Infiniti G37 and Nissan 370Z 3.7L V6 models from 2009 to 2018, maintaining performance over time.
The brand-new, unused kit includes all piping needed for manifold replacement. The 3-year manufacturer warranty assures long-term reliability, and the product is precisely crafted for tight, secure OEM-compatible fitment.
Pros
- 304-grade stainless steel for superior corrosion resistance
- Complete kit includes all necessary piping
- Compatible across multiple model years and platforms
- 3-year manufacturer warranty for peace of mind
Cons
- Installation requires professional expertise due to complexity
Ideal for vehicle owners wanting a full exhaust replacement with durable materials and solid warranty coverage. Suited for G37 sedans demanding longevity and precise OEM part compatibility.
How to Choose the Right Best Exhaust for G37 Sedan
Material quality and durability
When choosing the best exhaust for a G37 sedan, material quality takes precedence, especially between stainless steel and aluminized steel. Stainless steel offers superior resistance to rust and corrosion, maintaining structural integrity over time despite exposure to moisture and road salts. Aluminized steel may resist corrosion initially but tends to degrade faster under harsh driving conditions, reducing longevity.
A high-grade T304 stainless steel exhaust provides long-term durability and retains its finish well, preventing brittleness and leaks. For buyers prioritizing a lasting, rust-free setup capable of handling all-weather driving, a stainless steel exhaust with mandrel bends is the definitive choice.
Power and performance gains
For power and performance improvements, focus on exhaust designs that enhance flow efficiency and balance backpressure, boosting horsepower and torque effectively. Systems featuring larger diameter piping, such as 3-inch tubes, combined with smooth mandrel bends, reduce restrictions and promote better scavenging. Performance gains are also influenced by the muffler style, with options ranging from straight-through designs for aggressive sound and maximum flow, to chambered mufflers that moderate noise while preserving power.
Buyers seeking noticeable horsepower and torque improvements with a refined exhaust note should select a 3-inch stainless steel straight-through exhaust with adjustable tuning components.
Design and fitment
Fitment is critical to ensure the exhaust integrates seamlessly with your G37 sedan. A system engineered to match the exact model year and variant will fit without modifications, preserving factory mounting points and frame clearance. Easy bolt-on exhausts simplify installation, often requiring just hand tools and no welding.
Additionally, style matters for buyers wanting a custom look; polished tips or carbon fiber accents add visual appeal. For effortless installation combined with perfect compatibility and attractive styling, opt for a direct-fit cat-back exhaust explicitly listed for G37 sedans, avoiding universal or custom-fabricated systems that demand extra work.
Brand reputation and warranty
Evaluating brand reputation and warranty support guides long-term satisfaction with your exhaust choice. Reputable manufacturers provide clear, comprehensive warranty coverage, commonly five years or more, protecting against defects and premature wear. Positive customer reviews reflect trusted reliability and effective customer service responsiveness.
Good brands offer accessible support channels, including technical assistance and replacement part availability. Buyers should select an exhaust from a manufacturer known for durable products and straightforward warranty policies backed by prompt, knowledgeable service to secure peace of mind after purchase.
Maintenance and cleaning
Maintenance considerations influence your exhaust’s longevity and performance. Opt for exhaust systems with accessible components and removable sections to ease routine cleaning. Stainless steel variants resist carbon buildup better than aluminized steel, minimizing maintenance frequency.
Regular washing of exposed tips and using mild decarbonizing sprays for internal passages reduces soot accumulation. Periodic inspection under the vehicle ensures no blockages or corrosion develop.
For hassle-free upkeep with minimal cleaning required, a stainless steel exhaust featuring modular components and smooth bore pipes offers the best balance of durability and serviceability.
Which Should You Choose?
- If you prioritize maximum corrosion resistance and durability, choose exhaust components made from premium 304 stainless steel with polished finishes.
- If you want a system that improves exhaust flow and engine breathing, look for designs featuring larger diameter piping and double-walled tips.
- If you need a straightforward replacement compatible with your vehicle engine, select direct-fit exhaust parts tailored to your car’s exact model and engine specs.
- If you seek enhanced ground clearance and a simpler installation process, go for bolt-on Y-pipe systems that eliminate flex sections for better performance.
Quick Best Exhaust For G37 Sedan Buying Checklist
- Material: Choose corrosion-resistant stainless steel for longevity.
- Fitment: Ensure the exhaust system is designed specifically for the G37 sedan.
- Performance: Look for exhausts that improve horsepower and torque without excessive drone.
- Sound: Select a sound level that suits your preference and local regulations.
- Warranty: Opt for products with solid warranty coverage for peace of mind.
- Maintenance: Consider exhausts that are easy to clean and maintain over time.
Frequently Asked Questions
What Materials Are Best For A G37 Sedan Exhaust?
Stainless steel is ideal for G37 sedan exhaust systems due to its superior resistance to rust and corrosion. This material ensures durability and a longer lifespan, especially in environments exposed to moisture and road salt, which are common wear factors for exhaust components.
How Does The Exhaust Affect My G37 Sedan’S Performance?
A well-designed exhaust can improve the G37 sedan’s engine efficiency by enhancing exhaust gas flow, which increases horsepower and torque. Performance exhausts reduce backpressure, allowing the engine to breathe better and run more efficiently without compromising reliability.
Is Installing A Performance Exhaust On A G37 Sedan Difficult?
Installation difficulty depends on the exhaust system design; most aftermarket exhausts for the G37 sedan are engineered for bolt-on installation. However, some might require slight modifications or professional installation to ensure proper fitment and optimal performance.
What Should I Look For In Exhaust Sound Quality For The G37 Sedan?
Exhaust sound quality should complement the G37 sedan’s sporty profile without being overly loud or droning at cruising speeds. Many systems offer tunable sound options or specific muffler designs that strike a balance between aggressive tone and daily driving comfort.
Does Warranty Matter When Buying An Exhaust For My G37 Sedan?
Yes, warranty is a crucial factor when selecting an exhaust system because it protects against manufacturing defects and premature failure. A reliable warranty provides assurance of quality and can save additional costs on repairs or replacements.
Final Thouthgs
Choosing the best exhaust for your G37 sedan delivers enhanced performance, improved sound quality, and increased durability. This upgrade offers versatile benefits, from horsepower gains to aesthetic appeal, making it a worthwhile investment for enthusiasts and daily drivers alike. Embrace the advantages and elevate your driving experience with the ideal exhaust system tailored to your G37 sedan.