So, you're looking to boost the performance of your 2021 Lexus IS350 F Sport, huh? Awesome choice! One of the easiest and most effective ways to do that is by upgrading your car's intake system. Let's dive into everything you need to know about choosing the right intake for your ride, the benefits it brings, and how to get it installed. This guide is designed to help you make an informed decision and get the most out of your Lexus.

Why Upgrade Your Intake System?

Upgrading your intake system is more than just a cool mod; it's about enhancing your car's overall performance. The stock intake systems in many vehicles, including the Lexus IS350, are often designed with cost and noise reduction in mind. This can restrict the amount of air flowing into the engine, which in turn limits its power potential. An aftermarket intake system, on the other hand, is designed to maximize airflow, allowing your engine to breathe easier and perform better.

Performance Gains

The most noticeable benefit of an upgraded intake system is the increase in horsepower and torque. By allowing more air into the engine, you're essentially giving it more fuel to burn, which results in a more powerful combustion. This can translate to quicker acceleration, improved throttle response, and an overall more engaging driving experience. For the Lexus IS350 F Sport, which already boasts a respectable engine, this upgrade can make a significant difference.

Improved Engine Sound

Let's be real, who doesn't love a good engine sound? A performance intake can significantly enhance the sound of your engine, giving it a more aggressive and sporty tone. You'll hear a deeper growl upon acceleration and a more pronounced intake noise, which can add to the thrill of driving. This is particularly appealing for a car like the IS350 F Sport, which is designed to be both luxurious and sporty.

Enhanced Fuel Efficiency

While performance is the primary goal, many upgraded intake systems can also improve fuel efficiency. By allowing the engine to breathe more efficiently, it doesn't have to work as hard to produce power. This can result in a slight improvement in gas mileage, especially during highway driving. While the gains might not be massive, they can add up over time and help offset the cost of the upgrade.

Aesthetic Appeal

Finally, an upgraded intake system can add a touch of style to your engine bay. Many aftermarket intakes come with sleek designs and polished finishes, making them a visually appealing addition to your car. If you're someone who takes pride in the appearance of your vehicle, this can be a nice bonus.

Types of Intake Systems for the 2021 Lexus IS350 F Sport

When it comes to upgrading your intake system, you'll generally have two main types to choose from: short ram intakes and cold air intakes. Each type has its own set of advantages and disadvantages, so it's important to understand the differences before making a decision.

Short Ram Intakes (SRI)

Short ram intakes are designed to draw air from inside the engine bay. They are typically shorter and more compact than cold air intakes, making them easier to install. SRIs are known for improving throttle response and providing a more aggressive engine sound. However, because they draw air from inside the engine bay, they can be susceptible to heat soak, which can reduce their effectiveness in hot weather. Despite this, SRIs are still a popular choice for many drivers due to their ease of installation and noticeable performance gains.

Cold Air Intakes (CAI)

Cold air intakes are designed to draw air from outside the engine bay, typically from the fender well or behind the front bumper. This allows them to draw in cooler, denser air, which can result in greater horsepower and torque gains compared to short ram intakes. CAIs are particularly effective in hot weather, as they are less prone to heat soak. However, they can be more difficult to install due to their longer tubing and more complex routing. Additionally, CAIs are more susceptible to water ingestion, which can be a concern in areas with heavy rain or flooding.

Considerations for Choosing

When deciding between a short ram intake and a cold air intake, consider your driving conditions and performance goals. If you live in a hot climate and prioritize maximum horsepower gains, a cold air intake might be the better choice. However, if you want a simpler installation and improved throttle response, a short ram intake could be a better fit. Also, think about the potential risks of water ingestion with a CAI, especially if you live in an area prone to flooding.

Top Intake System Brands for Your Lexus IS350

Choosing the right brand is crucial for ensuring quality, performance, and reliability. Several reputable brands offer intake systems specifically designed for the Lexus IS350 F Sport. Here are a few of the top contenders:

AEM

AEM is a well-known brand in the aftermarket performance industry, known for its high-quality air filters and intake systems. AEM intakes are designed to maximize airflow while providing excellent filtration, ensuring that your engine stays protected. They offer both short ram and cold air intake options for the Lexus IS350, allowing you to choose the system that best fits your needs. AEM products are known for their durability and performance, making them a popular choice among enthusiasts.

Injen

Injen Technology is another leading manufacturer of performance intake systems. Injen intakes are designed with advanced airflow technology to optimize engine performance. They offer a variety of intake options for the Lexus IS350, including short ram and cold air intakes, as well as their patented MR Technology, which allows you to fine-tune the intake system for maximum performance. Injen products are known for their quality construction and dyno-proven results.

K&N

K&N is perhaps the most recognizable name in aftermarket air filters and intake systems. K&N intakes are designed to increase horsepower and torque while providing excellent filtration. They offer both short ram and cold air intake options for the Lexus IS350, and their products are known for their ease of installation and durability. K&N also offers a million-mile limited warranty on their air filters, giving you peace of mind.

Other Brands

In addition to these top brands, other reputable manufacturers offer intake systems for the Lexus IS350 F Sport. These include brands like Weapon-R, Takeda, and more. When choosing an intake system, be sure to research the brand and read reviews to ensure that you're getting a high-quality product that meets your needs.

Installation: DIY or Professional?

Once you've chosen your intake system, the next step is installation. You have two options: do it yourself or have it professionally installed. Each option has its own pros and cons, so it's important to consider your skills, tools, and time before making a decision.

DIY Installation

If you're mechanically inclined and have some experience working on cars, you might be able to install the intake system yourself. Many intake systems come with detailed instructions and all the necessary hardware, making the installation process relatively straightforward. However, it's important to have the right tools on hand, including a socket set, screwdrivers, and pliers. Additionally, be prepared to spend a few hours on the installation, and be sure to follow the instructions carefully to avoid any mistakes.

Professional Installation

If you're not comfortable working on cars or don't have the time to do it yourself, professional installation is a good option. A professional mechanic can install the intake system quickly and efficiently, ensuring that it's done correctly. While this option will cost more than doing it yourself, it can save you time and hassle, and it can give you peace of mind knowing that the job is done right. When choosing a mechanic, be sure to find one who has experience working on Lexus vehicles and aftermarket performance parts.

Step-by-Step Installation Guide (General)

While the exact steps may vary depending on the specific intake system and your vehicle, here's a general overview of the installation process:

1. Disconnect the battery: This is an important safety step to prevent electrical shock.
2. Remove the stock intake system: This typically involves loosening clamps, disconnecting hoses, and removing the airbox.
3. Install the new intake system: Follow the instructions that came with your intake system, and be sure to tighten all clamps and connections.
4. Reconnect the battery: Once the installation is complete, reconnect the battery and start the engine.
5. Test drive the vehicle: Take the car for a test drive to ensure that the intake system is functioning properly and that there are no leaks or other issues.

Maintaining Your Upgraded Intake System

Once you've installed your new intake system, it's important to maintain it properly to ensure that it continues to perform at its best. Regular maintenance can also extend the life of your intake system and prevent costly repairs.

Cleaning the Air Filter

The air filter is the most important part of the intake system, as it protects the engine from dirt and debris. Over time, the air filter can become clogged with dirt, which can reduce airflow and decrease performance. To maintain your air filter, it's important to clean it regularly. Most aftermarket air filters are washable and reusable, so you can simply remove the filter, clean it with a special cleaning solution, and then re-oil it before reinstalling it. Refer to the manufacturer's instructions for specific cleaning and maintenance recommendations.

Inspecting the Intake System

In addition to cleaning the air filter, it's also a good idea to inspect the intake system regularly for any signs of damage or wear. Check the clamps and connections to make sure they are tight, and look for any cracks or leaks in the tubing. If you notice any issues, address them promptly to prevent further damage.

Avoiding Water Ingestion

If you have a cold air intake, it's important to take precautions to avoid water ingestion, especially in areas with heavy rain or flooding. Avoid driving through deep puddles or flooded areas, and consider installing a bypass valve or air filter wrap to protect the air filter from water. If you suspect that your intake system has ingested water, stop driving immediately and have the system inspected by a professional mechanic.

Conclusion

Upgrading the intake system on your 2021 Lexus IS350 F Sport is a fantastic way to enhance its performance, improve its sound, and add a touch of style. By understanding the different types of intake systems, choosing the right brand, and following proper installation and maintenance procedures, you can get the most out of this upgrade and enjoy a more engaging driving experience. Whether you choose to install it yourself or have it done professionally, the benefits of an upgraded intake system are well worth the investment. So go ahead, give your Lexus the breath of fresh air it deserves!