So, you're looking to upgrade your G37 sedan with an ISR single exit exhaust? Awesome choice, guys! This exhaust not only boosts your car's performance but also gives it an aggressive, unique sound. This guide will walk you through the entire installation process step-by-step. I'll cover everything from gathering the necessary tools to the final adjustments, ensuring a smooth and successful upgrade. Let's dive in and get your G37 sounding mean!

Why Choose the ISR Single Exit Exhaust for Your G37 Sedan?

Before we get our hands dirty, let's talk about why the ISR single exit exhaust is a popular choice for G37 sedan owners. The ISR Performance single exit exhaust systems are known for their exceptional balance of performance, sound, and affordability. Many enthusiasts value this exhaust for its straightforward design and noticeable improvement in exhaust flow, which translates to better throttle response and potential horsepower gains. The single exit configuration also shaves off some weight compared to the stock exhaust or dual exhaust systems, further enhancing your car's performance. The sound is another major selling point. The ISR exhaust delivers a deep, aggressive tone that turns heads without being overly raspy or obnoxious. It provides a significant upgrade over the stock exhaust note, giving your G37 a sportier and more engaging driving experience. Beyond performance and sound, the ISR single exit exhaust is also relatively easy to install, especially with the right tools and guidance. This makes it a great option for DIYers who want to save on installation costs and get hands-on experience with their car. The ISR Performance exhaust systems are constructed from high-quality materials, ensuring durability and longevity. This means you can enjoy the benefits of your new exhaust for years to come without worrying about premature wear or corrosion. Overall, the ISR single exit exhaust offers a compelling package of performance, sound, value, and ease of installation, making it a worthwhile upgrade for any G37 sedan enthusiast.

Tools and Materials You'll Need

Alright, before we start wrenching, let's make sure you've got all the necessary tools and materials. Having everything on hand will make the installation process much smoother and prevent unnecessary delays. Here's a comprehensive list:

• Socket Set: You'll need a variety of socket sizes to remove the bolts and nuts holding the stock exhaust in place. Make sure your set includes deep sockets for those hard-to-reach areas.
• Wrench Set: Wrenches are essential for loosening and tightening bolts that sockets can't reach. A combination wrench set with both open-end and box-end wrenches is ideal.
• Penetrating Oil: This stuff is your best friend when dealing with rusty or seized bolts. Spray it on any stubborn fasteners and let it soak for a few minutes before attempting to remove them.
• Jack and Jack Stands: Safely lifting your G37 is crucial for accessing the exhaust system. Use a quality jack to raise the car and secure it with sturdy jack stands. Never work under a car supported only by a jack.
• Gloves: Protect your hands from dirt, grease, and sharp edges. A good pair of work gloves will keep your hands clean and prevent cuts and scrapes.
• Safety Glasses: Protect your eyes from flying debris and chemicals. Safety glasses are a must-have for any automotive work.
• Exhaust Hangers Removal Tool: This tool makes removing the rubber exhaust hangers much easier. It's not essential, but it will save you a lot of time and effort.
• Torque Wrench: A torque wrench is essential for tightening bolts to the correct specifications. This prevents over-tightening and potential damage to the exhaust system or your car.
• New Exhaust Gaskets: It's always a good idea to replace the exhaust gaskets when installing a new exhaust. This ensures a tight seal and prevents exhaust leaks.
• ISR Single Exit Exhaust Kit: Obviously, you'll need the ISR single exit exhaust kit itself. Make sure you have all the necessary components before starting the installation.
• Optional: Anti-Seize Compound: Applying anti-seize compound to the bolts during installation will make them easier to remove in the future.

Having these tools and materials ready will ensure a smooth and efficient installation process. Now, let's move on to the step-by-step instructions.

Step-by-Step Installation Guide

Okay, guys, now for the fun part! Let's get that ISR single exit exhaust installed on your G37 sedan. Follow these steps carefully, and you'll have your car sounding amazing in no time.

1. Prepare Your Vehicle:
   • Park your G37 on a level surface and engage the parking brake.
   • Loosen the lug nuts on the rear wheels.
   • Use a jack to lift the rear of the car and securely place jack stands under the frame rails.
   • Make sure the car is stable and secure before proceeding.
2. Remove the Stock Exhaust System:
   • Locate the bolts connecting the stock exhaust to the catalytic converters or mid-pipe.
   • Spray the bolts with penetrating oil and let it soak for a few minutes.
   • Use a socket or wrench to loosen and remove the bolts. You may need to use some force, especially if the bolts are rusty.
   • Once the bolts are removed, carefully detach the exhaust hangers from the rubber mounts. An exhaust hanger removal tool can be very helpful here.
   • With all the hangers detached, carefully remove the stock exhaust system from under the car. It may be helpful to have a friend assist you with this step, as the exhaust can be heavy and awkward.
3. Install the ISR Single Exit Exhaust:
   • Unpack the ISR single exit exhaust kit and make sure you have all the necessary components.
   • Install new exhaust gaskets between the catalytic converters or mid-pipe and the ISR exhaust.
   • Carefully position the ISR exhaust under the car and align it with the mounting points.
   • Attach the exhaust hangers to the rubber mounts.
   • Install the bolts and nuts to secure the exhaust to the catalytic converters or mid-pipe. Tighten the bolts to the manufacturer's recommended torque specifications using a torque wrench.
   • Double-check all connections to ensure they are secure.
4. Final Adjustments:
   • Lower the car from the jack stands.
   • Tighten the lug nuts on the rear wheels.
   • Start the engine and listen for any exhaust leaks. If you hear any leaks, tighten the connections as needed.
   • Check the exhaust clearance to ensure it's not touching any other parts of the car.
   • Take the car for a test drive and enjoy the new sound of your ISR single exit exhaust!

Tips and Tricks for a Smooth Installation

To ensure a smooth and hassle-free installation, keep these tips and tricks in mind:

• Use Penetrating Oil Generously: Don't be shy with the penetrating oil. Apply it liberally to any rusty or seized bolts and let it soak for a good amount of time before attempting to remove them.
• Take Your Time: Rushing the installation process can lead to mistakes and potential damage. Take your time and be careful with each step.
• Get a Friend to Help: Having a friend assist you with the installation can make the process much easier, especially when removing and installing the exhaust system.
• Use the Right Tools: Using the right tools for the job can save you a lot of time and effort. Invest in quality tools that will last for years to come.
• Consult the Manual: Refer to the ISR exhaust installation manual for specific instructions and torque specifications.
• Watch Installation Videos: Watching videos of other G37 owners installing the ISR exhaust can provide valuable insights and tips.
• Check for Leaks: After the installation, thoroughly check for exhaust leaks. Leaks can affect performance and sound, so it's important to address them promptly.

Common Issues and How to Solve Them

Even with careful planning and execution, you might encounter some common issues during the ISR single exit exhaust installation. Here are a few potential problems and how to solve them:

• Seized Bolts: If you encounter seized bolts that won't budge, try using a breaker bar for extra leverage. You can also try heating the bolt with a torch to help loosen it.
• Broken Exhaust Hangers: If the rubber exhaust hangers are old and brittle, they may break during removal. You can purchase replacement hangers at most auto parts stores.
• Exhaust Leaks: If you detect exhaust leaks after the installation, double-check the connections and make sure the gaskets are properly seated. You may need to tighten the bolts further or replace the gaskets.
• Rattling or Vibration: If you experience rattling or vibration after the installation, check the exhaust clearance and make sure it's not touching any other parts of the car. You may need to adjust the exhaust hangers to provide more clearance.

By being aware of these potential issues and knowing how to solve them, you can overcome any challenges and complete the ISR single exit exhaust installation successfully.

Enjoy the New Sound and Performance!

Congratulations, guys! You've successfully installed the ISR single exit exhaust on your G37 sedan. Now it's time to enjoy the new aggressive sound and improved performance of your car. Take it for a spin and experience the difference. Remember to check the exhaust connections periodically and address any issues promptly to ensure long-lasting performance and enjoyment.

Installing an exhaust system can be a rewarding experience, giving you a deeper understanding of your car and enhancing its performance and sound. With the right tools, knowledge, and a bit of patience, you can tackle this project yourself and save money on professional installation costs. So, crank up the tunes and enjoy the ride with your newly upgraded G37 sedan!