2021 Lexus IS350 F Sport Intake Upgrade Guide

by Alex Braham 46 views

So, you're looking to boost the performance of your 2021 Lexus IS350 F Sport with a new intake? Awesome choice, guys! Upgrading your car's intake system can lead to noticeable improvements in horsepower, throttle response, and even fuel efficiency. Plus, let’s be honest, the sound of that engine breathing more freely is just plain cool. In this guide, we'll dive into everything you need to know about upgrading the intake on your Lexus IS350 F Sport, from understanding the benefits to choosing the right system and getting it installed. Let's get started and unleash some extra potential from your ride!

Why Upgrade Your Intake?

Alright, let's talk about why you'd even want to upgrade your intake system. The factory intake on your Lexus IS350 F Sport is designed to be quiet and efficient for the average driver. But, if you're reading this, you're probably not the average driver, right? You're looking for more performance, and that's where an aftermarket intake comes in. By replacing the restrictive factory intake with a less restrictive, higher-flowing system, you can significantly improve your engine's ability to breathe. More air means more efficient combustion, which translates to more power. It's that simple, folks!

Improved Horsepower and Torque: One of the most significant benefits of upgrading your intake is the potential gain in horsepower and torque. Aftermarket intakes are designed to allow a greater volume of air to enter the engine, which can result in a noticeable boost in power, especially at higher RPMs. Imagine feeling that extra surge of acceleration as you merge onto the highway or power out of a corner. These gains can vary depending on the specific intake system and other modifications you have, but even a modest increase can make your driving experience much more engaging.

Enhanced Throttle Response: A better-flowing intake system can also lead to improved throttle response. When you step on the gas, the engine can react more quickly and efficiently, providing a more immediate and direct connection between your foot and the car's acceleration. This can make your car feel more responsive and eager to accelerate, enhancing the overall driving experience. Whether you're navigating city streets or carving through winding roads, improved throttle response can give you greater control and confidence.

Aggressive Engine Sound: Let's be real – who doesn't love a good engine sound? Upgrading your intake can add a more aggressive and sporty tone to your engine. As the engine breathes more freely, you'll hear a deeper, more pronounced intake roar, especially under hard acceleration. This enhanced sound can make your driving experience more exciting and enjoyable, turning heads wherever you go. It's like adding a soundtrack to your driving adventures!

Potential Fuel Efficiency Gains: While performance is the primary goal, some aftermarket intakes can also improve fuel efficiency. By allowing the engine to breathe more efficiently, the engine may not have to work as hard to produce the same amount of power, potentially leading to slight improvements in fuel economy. However, it's important to note that these gains are typically modest and can vary depending on your driving style and conditions. If you're primarily focused on fuel efficiency, there may be other modifications that offer more significant improvements, but the potential for increased MPG is still a nice bonus.

Types of Intakes for Your IS350 F Sport

Okay, so you're sold on the idea of upgrading your intake. The next step is figuring out what kind of intake is right for you. There are generally two main types of aftermarket intakes: short ram intakes and cold air intakes. Each has its own pros and cons, so let's break them down to help you make an informed decision.

Short Ram Intakes (SRI): Short ram intakes replace the factory airbox with a shorter intake tube and a high-flow air filter that sits within the engine bay. SRIs are generally easier to install and can provide a noticeable improvement in throttle response and engine sound. However, because they draw air from within the engine bay, they can be susceptible to heat soak, which can reduce performance in hot weather. Despite this, SRIs are a popular choice for their simplicity and affordability. They offer a good balance of performance and convenience, making them a great option for those looking for a quick and easy upgrade.

Cold Air Intakes (CAI): Cold air intakes, on the other hand, are designed to draw air from outside the engine bay, typically from the fender well or behind the front bumper. This allows the engine to breathe cooler, denser air, which can lead to greater horsepower gains. CAIs are generally more effective at maximizing performance, but they can also be more challenging to install and may be more susceptible to water ingestion in wet conditions. If you're serious about performance and willing to invest the time and effort, a CAI is often the preferred choice.

Choosing the Right One: When deciding between an SRI and a CAI, consider your priorities and driving conditions. If you value ease of installation and a quick boost in throttle response, an SRI may be the better option. If you're looking for maximum horsepower gains and don't mind a more involved installation process, a CAI is likely the way to go. Also, consider your local climate and driving conditions. If you live in a hot climate, the heat soak issue with SRIs may be more pronounced, making a CAI a better choice. Conversely, if you frequently drive in wet conditions, the risk of water ingestion with a CAI may be a concern. Ultimately, the best choice depends on your individual needs and preferences.

Top Intake Brands for the Lexus IS350 F Sport

Alright, now that you know what to look for, let's talk about some of the top brands that offer intake systems for the 2021 Lexus IS350 F Sport. There are several reputable manufacturers out there, each with its own unique approach to design and performance. Here are a few of the most popular and highly regarded brands:

Injen Technology: Injen is a well-known and respected brand in the aftermarket intake industry. They offer a wide range of intake systems for various vehicles, including the Lexus IS350 F Sport. Injen intakes are known for their high-quality construction, dyno-proven performance gains, and sleek designs. Many Injen intakes feature their patented MR Technology, which optimizes airflow and maximizes horsepower. They also offer both short ram and cold air intake options, allowing you to choose the system that best suits your needs.

AEM: AEM is another top brand that offers high-performance intake systems for the IS350 F Sport. AEM intakes are designed to provide maximum airflow and filtration, resulting in improved horsepower, torque, and throttle response. AEM is particularly known for their Dryflow air filters, which offer excellent filtration without the need for oiling. This makes them a popular choice for those who want a low-maintenance and high-performance intake system.

K&N: K&N is perhaps the most recognizable name in aftermarket air filters and intake systems. They have been in the business for decades and have a reputation for producing high-quality, durable products. K&N intakes are designed to improve airflow and filtration, resulting in increased horsepower and torque. K&N filters are also washable and reusable, making them a cost-effective and environmentally friendly choice. They offer both short ram and cold air intake options for the IS350 F Sport.

RR Racing: RR Racing specializes in performance parts for Lexus vehicles, so you know their products are specifically designed and optimized for your car. RR Racing is known for its high-quality components and attention to detail. Their intake is designed to maximize airflow while maintaining excellent filtration.

Other Considerations: When choosing an intake brand, consider factors such as price, warranty, and customer reviews. Read online forums and see what other IS350 F Sport owners are saying about different intake systems. Also, check the manufacturer's website for dyno charts and performance data to get a better idea of the potential gains. Ultimately, the best brand for you will depend on your individual needs and preferences.

Installation: DIY or Professional?

Okay, you've chosen your intake – now it's time to get it installed! You have two main options here: doing it yourself (DIY) or hiring a professional mechanic. Both have their pros and cons, so let's weigh them out to help you decide which route is best for you.

DIY Installation: If you're mechanically inclined and have some experience working on cars, you might be able to install the intake yourself. Many aftermarket intakes come with detailed instructions and can be installed with basic tools. The biggest advantage of DIY installation is the cost savings – you'll avoid labor charges, which can add up quickly. However, DIY installation can also be time-consuming and challenging, especially if you're not familiar with your car's engine bay. You'll need to be comfortable working with tools and following instructions carefully.

Professional Installation: If you're not comfortable working on cars or simply don't have the time, hiring a professional mechanic is a great option. A professional mechanic will have the experience and expertise to install the intake quickly and correctly. The main advantage of professional installation is the peace of mind knowing that the job is done right. However, professional installation can be more expensive, as you'll need to pay for labor. Be sure to get quotes from several different mechanics before making a decision.

Things to Consider: Before deciding whether to DIY or hire a professional, consider your skill level, time constraints, and budget. If you're a confident DIYer with plenty of time, go for it! Just make sure you have all the necessary tools and instructions before you start. If you're short on time or not comfortable working on cars, leave it to the professionals. Also, consider the complexity of the intake system. Some intakes are easier to install than others. Read the instructions carefully and see if it seems like something you can handle. Don't be afraid to ask for help if you get stuck!

Maintaining Your New Intake

Congrats, you've got your new intake installed! But the job's not quite over. To keep your intake performing at its best, you'll need to do some regular maintenance. Proper maintenance will not only ensure optimal performance but also extend the life of your intake system. Here's what you need to know:

Cleaning the Air Filter: The air filter is the heart of your intake system, so it's important to keep it clean. A dirty air filter can restrict airflow and reduce performance. Most aftermarket air filters are washable and reusable, so you don't need to replace them every time they get dirty. To clean your air filter, follow the manufacturer's instructions. Typically, this involves removing the filter, washing it with a special cleaning solution, rinsing it thoroughly, and letting it dry completely before re-oiling (if applicable) and reinstalling it.

Inspecting Connections: Regularly inspect all the connections in your intake system to make sure they're tight and secure. Loose connections can cause air leaks, which can reduce performance and potentially damage your engine. Check the clamps and hoses regularly and tighten them as needed. If you notice any cracks or damage to the hoses, replace them immediately.

Avoiding Water Ingestion: If you have a cold air intake, be extra careful to avoid water ingestion, especially in wet conditions. Water entering the engine can cause serious damage. If you live in an area with heavy rain or frequent flooding, consider installing a bypass valve or pre-filter to protect your engine. Also, avoid driving through deep puddles or flooded areas.

By following these simple maintenance tips, you can keep your new intake system performing at its best for years to come. Enjoy the added performance and enhanced engine sound of your upgraded Lexus IS350 F Sport!

Conclusion

So, there you have it – a comprehensive guide to upgrading the intake on your 2021 Lexus IS350 F Sport. From understanding the benefits to choosing the right system and getting it installed, we've covered all the bases. Remember, upgrading your intake can lead to noticeable improvements in horsepower, throttle response, and engine sound, making your driving experience more enjoyable and engaging. Whether you choose a short ram intake or a cold air intake, be sure to do your research and choose a reputable brand that fits your needs and budget. And don't forget to maintain your new intake properly to keep it performing at its best. Now go out there and unleash the full potential of your Lexus IS350 F Sport! Happy driving, guys!