So, you're thinking about upgrading the exhaust on your 2022 Lexus IS350, huh? Smart move! A catback exhaust system can seriously transform your driving experience, giving you a throatier sound, maybe even a little bump in performance, and let's be honest, it just looks cooler. But with so many options out there, figuring out where to start can feel overwhelming. Don't sweat it; this guide is here to break down everything you need to know about choosing the perfect catback exhaust for your ride. We'll cover the benefits, what to look for when shopping around, and some popular choices for the 2022 IS350. By the end, you'll be armed with the knowledge to make an informed decision and get that exhaust note just right. Let's dive in!

Why Upgrade to a Catback Exhaust?

Okay, so why even bother upgrading your exhaust in the first place? Good question! The factory exhaust systems on cars like the Lexus IS350 are designed with a few key things in mind: noise reduction, emissions control, and cost-effectiveness. That means they often restrict the engine's ability to breathe freely, which can impact performance and, let's be real, the sound is usually pretty tame. A catback exhaust system, on the other hand, replaces everything from the catalytic converters (hence "cat-back") to the exhaust tips. This allows for a less restrictive flow of exhaust gases, which can lead to several benefits:

• Improved Exhaust Flow: This is the big one. Less restriction means the engine can exhale more easily, which can translate to a slight increase in horsepower and torque. Don't expect massive gains – we're talking more in the range of 5-15 horsepower – but it's definitely noticeable, especially in the mid-range.
• Enhanced Sound: This is where a catback exhaust really shines. You can go from a quiet, almost silent exhaust note to a deep, aggressive growl. The specific sound will depend on the design of the exhaust and the materials used, but it's almost always a significant improvement over stock.
• Aesthetic Appeal: Let's face it, aftermarket exhaust tips just look better. They can add a sporty touch to the rear of your IS350, and there are tons of different styles to choose from, from sleek and subtle to aggressive and attention-grabbing.
• Weight Reduction: Some aftermarket exhaust systems are made from lighter materials like stainless steel or titanium, which can reduce the overall weight of your car. This might not seem like a huge deal, but every little bit helps with handling and performance.

Now, keep in mind that not all catback exhausts are created equal. Some are designed for maximum performance, while others prioritize sound or aesthetics. It's important to choose one that fits your needs and preferences.

What to Look for in a Catback Exhaust System

Alright, so you're sold on the idea of a catback exhaust. Now comes the fun part: shopping! But before you start throwing money at the first shiny exhaust you see, there are a few key things to consider:

• Material: The most common materials for catback exhausts are aluminized steel, stainless steel, and titanium. Aluminized steel is the most affordable option, but it's also the least durable and prone to rust. Stainless steel is a great balance of price and durability, and it's what most aftermarket exhausts are made from. Titanium is the lightest and most durable option, but it's also the most expensive.
• Pipe Diameter: The diameter of the exhaust pipes affects the exhaust flow and the sound. Larger diameter pipes generally flow better and produce a louder, more aggressive sound. However, going too large can actually hurt performance by reducing backpressure. For the IS350, a 2.5-inch or 3-inch diameter is usually a good choice.
• Muffler Design: The muffler is what controls the sound of the exhaust. Different muffler designs will produce different tones and volumes. Chambered mufflers tend to produce a deep, throaty sound, while straight-through mufflers are louder and more aggressive. Resonators can also be used to fine-tune the sound and reduce drone.
• Fitment: This is crucial. Make sure the exhaust system is specifically designed for your 2022 Lexus IS350. A universal exhaust might fit, but it's unlikely to fit perfectly, and you might have to do some modifications. Always check the product description and reviews to ensure proper fitment.
• Sound Level: Exhaust sound is subjective. What sounds great to one person might be annoying to another. Check the exhaust system's decibel rating, if available, and listen to sound clips online to get an idea of what it will sound like on your car. Be considerate of your neighbors!
• Brand Reputation: Stick with reputable brands that have a proven track record of producing high-quality exhaust systems. Some popular brands for the Lexus IS350 include Invidia, AWE Tuning, Borla, and Magnaflow. Reading reviews and forums is good to get a feel for brand quality.

Popular Catback Exhaust Options for the 2022 Lexus IS350

Okay, let's get down to brass tacks. Here are a few popular catback exhaust options for the 2022 Lexus IS350, along with some of their key features:

• Invidia Q300 Catback Exhaust: This is a popular choice for its balance of performance and sound. It features mandrel-bent stainless steel piping, a resonated mid-pipe to reduce drone, and a pair of stylish exhaust tips. The Q300 produces a deep, mellow exhaust note that's noticeable without being overly loud.

• AWE Tuning Touring Edition Catback Exhaust: AWE Tuning is known for its high-quality exhaust systems, and the Touring Edition is no exception. It's made from T304 stainless steel and features AWE's patented 180 Technology resonators, which eliminate drone while maintaining a sporty exhaust note. This exhaust is a bit more expensive than the Invidia Q300, but the quality and sound are worth it.

• Borla Atak Catback Exhaust: If you're looking for the loudest and most aggressive exhaust, the Borla Atak is a great option. It's made from T304 stainless steel and features Borla's patented Atak (Acoustically Tuned Applied Kinetics) technology, which delivers maximum sound and performance. Be warned, this exhaust is not for the faint of heart. It's definitely on the louder side, so make sure you're okay with that before buying it.

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• Magnaflow Catback Exhaust: Magnaflow is another well-known brand that offers a variety of catback exhaust options for the IS350. Their systems are typically made from stainless steel and feature a straight-through muffler design for improved exhaust flow and a sporty sound. Magnaflow exhausts are a good middle-ground option, offering a balance of performance, sound, and price.

Remember to do your own research and listen to sound clips of different exhaust systems before making a decision. What sounds good on video might sound different in person, so it's always best to get as much information as possible.

Installation Considerations

So, you've picked out your new catback exhaust. Now what? Well, you have two options: install it yourself or have a professional do it.

• DIY Installation: If you're mechanically inclined and have some experience working on cars, you can probably install a catback exhaust yourself. The process typically involves unbolting the old exhaust system, removing it, and then bolting on the new exhaust. You'll need some basic tools, like a socket set, wrenches, and maybe a jack and jack stands. There are plenty of YouTube videos and online tutorials that can guide you through the process.

• Professional Installation: If you're not comfortable working on your car or don't have the necessary tools, it's best to have a professional install the exhaust. A mechanic will have the experience and equipment to do the job quickly and efficiently, and they can also ensure that the exhaust is properly aligned and sealed. Expect to pay a few hours of labor for installation.

No matter who installs the exhaust, it's important to double-check all the connections and make sure everything is tight. A loose connection can cause exhaust leaks, which can affect performance and sound.

Final Thoughts

Upgrading to a catback exhaust is a fantastic way to improve the sound, performance, and aesthetics of your 2022 Lexus IS350. By doing your research and choosing the right exhaust system, you can transform your driving experience and make your car stand out from the crowd. Remember to consider factors like material, pipe diameter, muffler design, fitment, and sound level when making your decision. And don't be afraid to ask for help from other IS350 owners or car enthusiasts. With a little bit of effort, you can find the perfect catback exhaust for your ride. Now get out there and enjoy that sweet exhaust note!