If you own a Lexus RX350 and are looking to improve throttle response and boost engine performance without any modifications to the vehicle, the K&N 33-2443 sports air filter is the best possible upgrade.

The filter is designed with High-Flow technology, allowing more air to enter the engine, which improves acceleration and gives you a smoother, more powerful ride. Like all K&N filters, it's washable and reusable for a lifetime, saving you the hassle of constantly buying paper filters.

⭐ Designed to perfectly match the original factory specifications, the filter fits directly into the OEM air box without any modification, cutting, or alteration. This means:

• Easy and quick installation
• Agency's regulations
• Guaranteed performance
• Same factory design but with a much higher airflow

The “Designed to the Agency’s Specifications” feature is a very important advantage because it ensures higher performance without any risk or modification to the car.

⚙️ Compatible Motors

The K&N 33-2443 filter fits the following Lexus RX350 engines:

4-cylinder engine

2025 Lexus RX350 2.4L L4 Gas

2024 Lexus RX350 2.4L L4 Gas

2023 Lexus RX350 2.4L L4 Gas

6-cylinder engine

2022 Lexus RX350 3.5L V6 Gas

2021 Lexus RX350 3.5L V6 Gas

2020 Lexus RX350 3.5L V6 Gas

2019 Lexus RX350 3.5L V6 Gas

2018 Lexus RX350 3.5L V6 Gas

2017 Lexus RX350 3.5L V6 Gas

2016 Lexus RX350 3.5L V6 Gas

2015 Lexus RX350 3.5L V6 Gas

2014 Lexus RX350 3.5L V6 Gas

2013 Lexus RX350 3.5L V6 Gas

2012 Lexus RX350 3.5L V6 Gas

2011 Lexus RX350 3.5L V6 Gas

2010 Lexus RX350 3.5L V6 Gas

✨ Features and Benefits

• Increased torque and throttle response
• Thanks to higher airflow
• Washable for life
• — Significant long-term savings
• High filtration rate of up to 96–99%
• To protect the engine from impurities
• Designed to be close to the agency
• — Direct installation without modification
• Consistent performance in heat
• Made from high-quality oil-impregnated cotton
• K&N Lifetime Guarantee
• It improves engine breathing and reduces fuel consumption in some cases.

📦 Product Contents

• K&N High-Flow Air Filter
• User guide
• Original factory packaging

🎯 Why is it suitable?

• It withstands high temperatures
• Improves pedal response
• Reduces consumption of paper filters
• Suitable for long lines and everyday use
• It delivers higher performance without any modifications to the car.