So, you're looking to upgrade the exhaust on your 2011 Infiniti G37x sedan, huh? Awesome choice! A new exhaust system can seriously transform your car's sound, performance, and even its looks. But before you dive in, let's get you equipped with some essential information to make the best decision.

Why Upgrade Your G37x Sedan's Exhaust?

Performance Enhancement: Upgrading your G37x sedan's exhaust is a fantastic way to boost its overall performance. The stock exhaust systems often come with certain restrictions designed to keep noise levels down and meet emissions standards. By installing an aftermarket exhaust system, you're essentially freeing up the engine to breathe more efficiently. This can result in noticeable gains in horsepower and torque, making your ride even more thrilling.

Improved Sound: Guys, let's be real, the sound is a huge part of the driving experience. A new exhaust system can give your G37x a more aggressive and sporty tone. Whether you're after a deep rumble or a high-pitched scream, there's an exhaust system out there that will perfectly match your preferences. This auditory enhancement adds another layer of excitement to every drive.

Aesthetic Appeal: Beyond performance and sound, an aftermarket exhaust can significantly enhance the visual appeal of your G37x sedan. Many systems feature polished stainless steel tips that add a touch of style to the rear of your car. This sleek and sporty look complements the G37x's already attractive design, making it stand out even more.

Weight Reduction: This is a sneaky benefit that often gets overlooked. Factory exhaust systems can be quite heavy. By switching to an aftermarket system, often made from lighter materials like stainless steel or titanium, you can reduce the overall weight of your car. This weight reduction contributes to improved handling and acceleration, making your G37x even more agile and responsive.

Choosing the Right Exhaust System

Choosing the right exhaust system for your 2011 Infiniti G37x sedan can feel overwhelming, but breaking it down into key considerations makes the process much simpler. Let's explore the most important factors to keep in mind.

Cat-Back vs. Axle-Back: First, understand the difference between cat-back and axle-back systems. A cat-back system replaces everything from the catalytic converters back, offering more significant performance gains and a more aggressive sound. An axle-back system, on the other hand, only replaces the components from the rear axle back, providing a milder sound upgrade and being easier to install. Consider your goals and budget when choosing between these two options.

Material: The material of your exhaust system plays a crucial role in its durability and sound. Stainless steel exhausts are a popular choice, known for their excellent corrosion resistance and balanced sound. Titanium exhausts are incredibly lightweight and offer a unique, high-pitched sound but come at a premium price. Aluminized steel exhausts are a budget-friendly option, but they are more prone to rust and may not last as long as other materials.

Sound Level: Think about how loud you want your exhaust to be. Some systems are designed for a subtle increase in sound, while others are incredibly loud and aggressive. Read reviews and listen to sound clips to get a good idea of the exhaust's tone and volume. Also, consider your local noise ordinances to ensure you're not violating any laws.

Brand Reputation: Stick with reputable brands known for their quality and performance. Brands like Stillen, Invidia, and Magnaflow have a long history of producing high-quality exhaust systems for the G37. Reading customer reviews and checking online forums can provide valuable insights into the reliability and performance of different brands.

Installation: Consider whether you plan to install the exhaust yourself or have a professional do it. Axle-back systems are generally easier to install, while cat-back systems may require more specialized tools and expertise. If you're not comfortable working on cars, it's always best to leave the installation to a professional to ensure it's done correctly.

Top Exhaust System Options for Your 2011 Infiniti G37x Sedan

Selecting the perfect exhaust system for your 2011 Infiniti G37x sedan involves carefully weighing your preferences, budget, and desired performance enhancements. To streamline your decision-making process, let's explore some of the top exhaust system options available in the market. Each option offers a unique blend of sound, performance, and aesthetics, ensuring there's something to suit every enthusiast's needs.

Stillen Cat-Back Exhaust: Stillen is a well-respected brand in the Infiniti community, and their cat-back exhaust system is a popular choice for G37 owners. This system is known for its high-quality construction, noticeable performance gains, and a deep, aggressive sound. It's a great option if you're looking for a significant upgrade over the stock exhaust.

Invidia Gemini Cat-Back Exhaust: The Invidia Gemini is another excellent cat-back option that offers a balance of performance and sound. This exhaust features mandrel-bent piping for optimal flow and a resonated design to reduce drone. It delivers a sporty sound without being overly loud, making it suitable for daily driving.

Magnaflow Axle-Back Exhaust: If you're on a budget or prefer a milder sound upgrade, the Magnaflow axle-back exhaust is a great choice. This system is easy to install and provides a noticeable improvement in sound without being too aggressive. It's a perfect option for those who want a subtle enhancement without breaking the bank.

ARK Performance Grip Cat-Back Exhaust: For those seeking a more aggressive and exotic sound, the ARK Performance Grip cat-back exhaust is worth considering. This system features a unique muffler design that produces a distinctive tone, setting it apart from other exhausts. It's a great choice for enthusiasts who want to make a statement with their G37x.

Tanabe Medalion Touring Exhaust: The Tanabe Medalion Touring exhaust is designed for those who prioritize a refined and comfortable driving experience. This system offers a subtle increase in sound and is engineered to minimize drone, making it ideal for long commutes. It's a great option for those who want a sophisticated upgrade without sacrificing comfort.

Installation Tips and Considerations

Alright, so you've picked out your dream exhaust system for your 2011 Infiniti G37x sedan. Awesome! But before you start wrenching away, let's go over some crucial installation tips and considerations to ensure a smooth and successful upgrade. Whether you're a seasoned DIYer or a newbie, these pointers will help you avoid common pitfalls and get the job done right.

Gather the Right Tools: Before you even think about touching your car, make sure you have all the necessary tools. This includes a socket set, wrenches, a jack and jack stands, penetrating oil, and potentially an exhaust hanger removal tool. Having the right tools on hand will save you time and frustration.

Spray Penetrating Oil: Those exhaust bolts can be a real pain, especially if they're rusty. Generously spray penetrating oil on all the bolts and connections you'll be removing. Let it soak in for at least 30 minutes, or even better, overnight. This will make your life much easier.

Use Jack Stands: Safety first, guys! Never work under a car supported only by a jack. Always use jack stands to securely support your G37x before crawling underneath.

Disconnect the Battery: Before you start disconnecting any sensors or electrical components, disconnect the negative terminal of your battery. This will prevent any accidental electrical issues.

Take Your Time: Don't rush the installation process. Take your time and carefully follow the instructions. If you're unsure about anything, consult online resources or seek help from a professional.

Check for Leaks: After you've installed the new exhaust system, start the car and listen for any exhaust leaks. If you hear a hissing sound, check the connections and tighten any loose bolts.

Maintaining Your New Exhaust System

So, you've successfully installed your new exhaust system on your 2011 Infiniti G37x sedan. Congratulations! But the journey doesn't end there. To ensure your exhaust system lasts long and performs optimally, proper maintenance is key. Let's dive into some essential maintenance tips to keep your exhaust system in top-notch condition.

Regular Inspections: Make it a habit to inspect your exhaust system regularly. Look for any signs of rust, leaks, or damage. Catching these issues early can prevent them from escalating into more significant problems.

Cleaning: Road grime and salt can accelerate corrosion. Clean your exhaust system periodically with soap and water to remove these contaminants. For stainless steel exhausts, you can use a stainless steel cleaner to maintain their shine.

Tighten Connections: Over time, the vibrations from driving can cause exhaust connections to loosen. Periodically check and tighten all the bolts and clamps to ensure a secure and leak-free seal.

Avoid Harsh Chemicals: When washing your car, avoid using harsh chemicals that can damage the exhaust system. Stick to mild soap and water.

Address Issues Promptly: If you notice any issues, such as leaks or unusual noises, address them promptly. Ignoring these problems can lead to more extensive and costly repairs down the road.

By following these maintenance tips, you can extend the life of your new exhaust system and keep your 2011 Infiniti G37x sedan sounding and performing its best for years to come. Happy driving!

Conclusion

Upgrading the exhaust on your 2011 Infiniti G37x sedan is a fantastic way to enhance its performance, sound, and appearance. By understanding the different types of exhaust systems, considering your budget and preferences, and following proper installation and maintenance procedures, you can transform your G37x into an even more enjoyable and thrilling ride. So go ahead, make that upgrade and experience the difference a new exhaust system can make! Remember to research thoroughly, choose wisely, and enjoy the enhanced driving experience that comes with a well-chosen and properly installed exhaust system. Happy motoring!