Hey guys! If you're looking to boost the performance and sound of your 2007 Lexus IS350, you've come to the right place. Upgrading your catback exhaust is one of the most effective ways to achieve that sporty feel and a more aggressive sound. But with so many options out there, it's easy to get lost in the details. This guide will walk you through everything you need to know to make the best choice for your ride.

Understanding Catback Exhaust Systems

Before diving into specific brands and models, let's break down what a catback exhaust system actually is. The term "catback" refers to the exhaust components from the catalytic converters back to the tailpipe. This typically includes the mid-pipe, muffler, and exhaust tips. Upgrading these parts can significantly improve exhaust flow, which in turn can lead to modest horsepower gains and a more noticeable exhaust note. A less restrictive exhaust system allows the engine to breathe easier, reducing backpressure and improving overall efficiency.

When you're shopping for a catback exhaust for your 2007 Lexus IS350, you'll notice that systems come in various materials, such as stainless steel, aluminized steel, and even titanium. Stainless steel is generally considered the best option due to its durability and resistance to rust and corrosion. Aluminized steel is a more affordable alternative, but it's not as resistant to the elements and may not last as long. Titanium is the lightest and strongest option, but it's also the most expensive and is typically reserved for high-performance applications. The diameter of the piping also plays a crucial role. A larger diameter can improve exhaust flow, but going too large can actually reduce performance by decreasing exhaust velocity. It's essential to find a balance that complements your engine's characteristics.

The design of the muffler also greatly influences the sound of your exhaust. Chambered mufflers tend to produce a louder, more aggressive tone, while straight-through mufflers offer the best flow and a slightly less aggressive sound. Resonators can also be added to the system to help reduce drone and refine the exhaust note. When choosing a catback exhaust system, consider the type of sound you're after. Do you want a deep, throaty rumble, or a high-pitched, raspy scream? Listening to sound clips and reading reviews can help you get a better idea of what to expect from different systems. Installation is another important factor to consider. While some catback exhaust systems are designed to be direct bolt-on replacements, others may require some modification or welding. If you're not comfortable working on your car yourself, it's best to have the system installed by a professional.

Top Catback Exhaust Options for Your 2007 Lexus IS350

Alright, let's check out some of the top catback exhaust options available for your 2007 Lexus IS350. Keep in mind that prices and availability can vary, so it's always a good idea to do your research and compare prices before making a purchase.

1. Invidia Q300 Catback Exhaust

The Invidia Q300 is a popular choice among Lexus IS350 owners due to its reputation for quality, performance, and a refined exhaust note. This system features mandrel-bent stainless steel piping for optimal flow and durability. The Q300 is designed to provide a noticeable increase in horsepower and torque, while also delivering a sporty, yet subtle exhaust sound. The resonators help to minimize drone, making it a comfortable option for daily driving. The Invidia Q300 is a great all-around choice for those looking to improve the performance and sound of their IS350 without sacrificing comfort.

The Invidia Q300 catback exhaust system is constructed from high-quality stainless steel, ensuring longevity and resistance to corrosion. The mandrel-bent piping is designed to maximize exhaust flow, resulting in improved horsepower and torque. One of the standout features of the Invidia Q300 is its refined exhaust note. The system is designed to provide a sporty sound without being overly aggressive or intrusive. This makes it a great option for those who want to enhance the sound of their IS350 without attracting unwanted attention. The resonators in the system help to minimize drone, ensuring a comfortable driving experience, even on long trips. Installation of the Invidia Q300 is relatively straightforward, as it is designed to be a direct bolt-on replacement for the factory exhaust system. However, professional installation is always recommended to ensure proper fitment and performance. Overall, the Invidia Q300 is a top-notch catback exhaust system that offers a great balance of performance, sound, and comfort.

2. Tanabe Medalion Touring Catback Exhaust

If you're after a catback exhaust that offers a blend of performance and a refined, near-stock sound, the Tanabe Medalion Touring is an excellent option. This system is designed to provide a slight increase in horsepower and torque, while maintaining a quiet and comfortable cabin. The Medalion Touring features high-quality stainless steel construction and mandrel-bent piping for optimal flow. The mufflers are designed to produce a mellow exhaust note that is barely louder than stock, making it an ideal choice for those who prefer a subtle upgrade.

The Tanabe Medalion Touring catback exhaust system is known for its exceptional build quality and refined sound characteristics. The system is constructed from high-quality stainless steel, ensuring durability and resistance to corrosion. The mandrel-bent piping is designed to optimize exhaust flow, resulting in a modest increase in horsepower and torque. However, the primary focus of the Medalion Touring is to provide a subtle and refined exhaust note. The mufflers are designed to produce a mellow sound that is barely louder than the factory exhaust system. This makes it an ideal choice for those who want to enhance the sound of their IS350 without sacrificing comfort or attracting unwanted attention. The Tanabe Medalion Touring is also known for its excellent fit and finish. The system is designed to be a direct bolt-on replacement for the factory exhaust system, making installation relatively straightforward. The system also features Tanabe's signature Medalion tip design, which adds a touch of style to the rear of the car. Overall, the Tanabe Medalion Touring is a great option for those who want a high-quality catback exhaust system that provides a subtle upgrade in performance and sound.

3. Borla S-Type Catback Exhaust

For those who want a more aggressive exhaust note, the Borla S-Type is a fantastic option. Borla is a well-known name in the exhaust industry, and their S-Type system is designed to deliver a noticeable increase in sound and performance. This system features stainless steel construction, mandrel-bent piping, and Borla's patented multi-core technology for optimal flow and sound. The S-Type is louder and more aggressive than the Invidia Q300 and Tanabe Medalion Touring, making it a great choice for those who want to make a statement.

The Borla S-Type catback exhaust system is designed to provide a significant increase in both sound and performance. The system is constructed from high-quality stainless steel, ensuring durability and resistance to corrosion. The mandrel-bent piping is designed to optimize exhaust flow, resulting in improved horsepower and torque. The Borla S-Type is known for its aggressive exhaust note, which is louder and more noticeable than many other catback exhaust systems. This makes it a great choice for those who want to make a statement with their IS350. The system features Borla's patented multi-core technology, which is designed to maximize exhaust flow and produce a deep, throaty sound. The S-Type is also known for its excellent fit and finish. The system is designed to be a direct bolt-on replacement for the factory exhaust system, making installation relatively straightforward. The system also features Borla's signature polished stainless steel tips, which add a touch of style to the rear of the car. Overall, the Borla S-Type is a top-performing catback exhaust system that delivers an aggressive sound and noticeable performance gains.

Installation Tips

Installing a catback exhaust system on your 2007 Lexus IS350 can be a rewarding DIY project, but it's essential to approach it with the right tools and knowledge. Before you start, make sure you have all the necessary equipment, including a socket set, wrench set, penetrating oil, jack stands, and safety glasses. It's also a good idea to have a friend on hand to help you with lifting and maneuvering the exhaust components.

Begin by loosening the bolts connecting the factory exhaust system to the catalytic converters. Spraying the bolts with penetrating oil can help to loosen them and prevent them from breaking. Once the bolts are removed, carefully lower the factory exhaust system from the car. Be sure to support the exhaust system as you remove it to prevent it from falling and causing damage. Next, install the new catback exhaust system, starting with the mid-pipe. Align the mid-pipe with the catalytic converters and secure it with the provided bolts. Then, install the muffler and exhaust tips, making sure everything is properly aligned and tightened. Once the catback exhaust system is installed, double-check all the connections to ensure they are secure. Start the car and listen for any exhaust leaks. If you hear any leaks, tighten the connections until the leaks are gone. Finally, take the car for a test drive and enjoy the improved sound and performance of your new exhaust system. If you're not comfortable performing the installation yourself, it's always best to have the system installed by a professional.

Conclusion

Choosing the right catback exhaust for your 2007 Lexus IS350 can make a world of difference in terms of performance, sound, and overall driving experience. By understanding the different types of systems available and considering your personal preferences, you can find the perfect exhaust to suit your needs. Whether you're looking for a subtle upgrade or a more aggressive sound, there's a catback exhaust out there that's perfect for your IS350. So go ahead, do your research, and get ready to transform your ride! Remember to always prioritize safety and consult with a professional if you're unsure about any aspect of the installation process. Happy driving!