Hey guys! Are you looking to upgrade your Infiniti G37 Coupe's exhaust system? You've come to the right place. The G37 Coupe, known for its sleek design and powerful engine, can be elevated to a whole new level with the right exhaust. Whether you're aiming for a deeper, more aggressive sound, improved performance, or simply a fresh new look, there's an exhaust system out there for you. We'll dive into everything you need to know to make an informed decision and find the perfect exhaust for your ride. So, buckle up, and let's get started!

Why Upgrade Your G37 Coupe Exhaust?

So, why should you even bother upgrading your G37 Coupe's exhaust? There are several compelling reasons that might just have you reaching for your wallet. Let's break them down:

• Enhanced Sound: This is probably the number one reason people consider an exhaust upgrade. The stock exhaust on the G37, while decent, often leaves enthusiasts wanting more. An aftermarket exhaust can provide a deeper, throatier, and more aggressive sound that truly unleashes the VQ37VHR engine's potential. Imagine cruising down the street, turning heads with that distinctive roar – that's the power of a good exhaust system.

• Improved Performance: While the gains might not be massive, an aftermarket exhaust system can definitely improve your G37's performance. Upgraded exhausts are typically designed with larger diameter piping and less restrictive mufflers, which allows exhaust gases to flow more freely. This reduces backpressure, which in turn can lead to slight increases in horsepower and torque. You might not feel like you're driving a completely different car, but you'll likely notice a snappier throttle response and a bit more pep in its step.

• Aesthetic Appeal: Let's face it, the stock exhaust tips on the G37 Coupe aren't exactly eye-catching. Upgrading your exhaust gives you the opportunity to add some visual flair to the rear of your car. Many aftermarket exhausts come with polished stainless steel or titanium tips that look much more aggressive and sporty than the factory ones. It's a simple way to enhance the overall look of your G37 and make it stand out from the crowd.

• Weight Reduction: Some aftermarket exhaust systems are made from lighter materials like stainless steel or titanium. This can result in a slight reduction in overall vehicle weight, which can contribute to improved handling and fuel economy. While the weight savings might not be huge, every little bit helps, right?

• Personalization: Ultimately, upgrading your exhaust is a way to personalize your G37 Coupe and make it your own. It's a reflection of your individual style and preferences. Whether you're going for a subtle and refined sound or an all-out aggressive roar, the right exhaust can help you achieve the perfect driving experience.

Types of Infiniti G37 Coupe Exhaust Systems

Okay, so you're convinced that an exhaust upgrade is the way to go. But with so many options available, where do you even begin? Let's take a look at the different types of exhaust systems you can choose from:

• Axle-Back Exhaust: An axle-back exhaust is the simplest and most affordable type of upgrade. It replaces the mufflers and exhaust tips, typically from the rear axle back. Axle-back systems are a great option if you're primarily looking for a sound upgrade and don't want to spend a ton of money. They're also relatively easy to install, often requiring just basic hand tools. However, because they only replace a small portion of the exhaust system, the performance gains are usually minimal.

• Cat-Back Exhaust: A cat-back exhaust replaces the entire exhaust system from the catalytic converters back, including the mid-pipe, mufflers, and exhaust tips. Cat-back systems offer a better balance of sound and performance gains compared to axle-back systems. The larger diameter piping and less restrictive mufflers can significantly improve exhaust flow, resulting in noticeable increases in horsepower and torque. They're also a popular choice for enthusiasts who want a more aggressive look, as they typically come with stylish exhaust tips.

• Header-Back Exhaust: A header-back exhaust, also known as a turbo-back exhaust on turbocharged vehicles, is the most comprehensive type of upgrade. It replaces the entire exhaust system from the exhaust manifold (headers) back to the exhaust tips. Header-back systems offer the greatest potential for performance gains, as they completely eliminate any restrictions in the exhaust flow. However, they're also the most expensive and complex to install, often requiring professional installation.

• Exhaust Tips: If you're happy with the sound of your stock exhaust but want to improve its appearance, you can simply replace the exhaust tips. Exhaust tips come in a variety of styles, sizes, and finishes, allowing you to customize the look of your G37's rear end without making any major changes to the exhaust system.

Factors to Consider When Choosing an Exhaust

Choosing the right exhaust system for your G37 Coupe can feel overwhelming, but by considering a few key factors, you can narrow down your options and find the perfect fit. Here's what to keep in mind:

• Sound Level and Tone: This is arguably the most important factor to consider. Do you want a subtle and refined sound, or an aggressive and attention-grabbing roar? Listen to sound clips of different exhaust systems before making a decision. Keep in mind that the sound of an exhaust can vary depending on the rest of your car's modifications.

• Performance Goals: Are you primarily looking for a sound upgrade, or are you also hoping to gain some noticeable horsepower and torque? If performance is a priority, you'll want to choose a cat-back or header-back system with larger diameter piping and less restrictive mufflers.

• Budget: Exhaust systems can range in price from a few hundred dollars to several thousand. Determine your budget before you start shopping, and stick to it. Remember to factor in the cost of installation, if you're not planning on doing it yourself.

• Material: Exhaust systems are typically made from either stainless steel or aluminized steel. Stainless steel is more durable and resistant to rust, but it's also more expensive. Aluminized steel is a more affordable option, but it's more prone to corrosion.

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• Installation: How comfortable are you with installing the exhaust system yourself? Axle-back systems are generally easy to install, while cat-back and header-back systems can be more challenging. If you're not confident in your abilities, it's best to have a professional install the exhaust for you.

• Brand Reputation: Do some research on different exhaust brands and read reviews from other G37 owners. Look for brands that are known for their quality, performance, and customer service.

Top Exhaust Brands for the Infiniti G37 Coupe

Alright, let's talk brands. With so many manufacturers out there, it can be tough to know where to start. Here are some of the top and most reputable exhaust brands for the Infiniti G37 Coupe:

• ARK Performance: ARK Performance is known for its high-quality exhaust systems that offer a great balance of sound and performance. Their exhausts are typically made from stainless steel and feature mandrel-bent piping for optimal flow.

• Invidia: Invidia is another popular choice among G37 enthusiasts. They offer a wide range of exhaust systems, from mild to wild, to suit different preferences. Invidia exhausts are known for their aggressive sound and excellent build quality.

• Stillen: Stillen has been producing performance parts for Nissan and Infiniti vehicles for over 30 years. Their exhaust systems are designed to improve both sound and performance, and they're backed by a solid reputation.

• Motordyne: Motordyne is a smaller company that specializes in high-performance exhaust systems for the VQ37VHR engine. Their exhausts are known for their unique sound and impressive power gains.

• Megan Racing: Megan Racing offers a more affordable option for those on a budget. While their exhausts may not be as refined as some of the more expensive brands, they still offer a significant improvement over the stock exhaust.

Installation Tips and Considerations

So, you've chosen your dream exhaust system, and it's arrived at your doorstep. Now what? Here are a few tips and considerations to keep in mind during the installation process:

• Read the Instructions: This may seem obvious, but it's important to read the installation instructions carefully before you start. Make sure you understand each step and have all the necessary tools and equipment.

• Use the Right Tools: Using the correct tools will make the installation process much easier and prevent damage to your car or the exhaust system. You'll typically need a socket set, wrench set, ratchet, and possibly a torque wrench.

• Penetrating Oil is Your Friend: If you're dealing with rusty or corroded bolts, penetrating oil can be a lifesaver. Apply it to the bolts a few hours before you start the installation, and they'll be much easier to remove.

• Don't Over-Tighten: Over-tightening bolts can strip the threads or damage the exhaust system. Use a torque wrench to tighten the bolts to the specified torque settings.

• Check for Leaks: After you've installed the exhaust system, start the car and check for any leaks. If you hear a hissing sound or see exhaust fumes escaping, tighten the connections until the leak is gone.

• Consider a Professional: If you're not comfortable installing the exhaust system yourself, it's always best to have a professional do it for you. They have the experience and expertise to ensure that the exhaust is installed correctly and safely.

Conclusion

Upgrading your Infiniti G37 Coupe's exhaust system is a fantastic way to enhance its sound, performance, and appearance. By considering your budget, sound preferences, and performance goals, you can find the perfect exhaust to match your needs. With the right exhaust, you'll be turning heads and enjoying the thrilling sound of your G37 for years to come. Happy modding!