7 Best Cold Air Intake For Toyota 4runner [2026]

You’ll appreciate the noticeable boost in performance and towing capability with the K&N Cold Air Intake system. Its high-flow air filter design is engineered to maximize airflow, leading to increased horsepower and torque. Installation is straightforward for most DIYers, and the system is built to last, providing a significant upgrade over your stock setup.

While the performance gains are impressive, some users report a slight increase in intake noise, which might not appeal to everyone. This intake is an excellent choice if you’re looking to extract more power from your 4.0L V6 engine and are comfortable with a more aggressive engine sound.

This PHILTOP cold air intake system offers a compelling blend of performance enhancement and value for your Toyota 4Runner. The 3.5-inch tubing and included heat shield work together to deliver cooler, denser air to your engine, potentially improving throttle response and horsepower. Its vibrant red finish adds a touch of style under the hood.

While it provides a good performance bump, some users find the installation instructions could be clearer, and the sound produced is more pronounced than stock. It’s a solid option if you’re seeking an affordable way to upgrade your 4Runner’s performance and don’t mind a bit more engine noise.

The KAX 3.5″ Cold Air Intake kit is a visually striking upgrade for your Toyota 4Runner, boasting a vibrant red finish that adds flair to your engine bay. It’s designed for high performance, aiming to improve airflow and potentially boost horsepower and throttle response. The kit includes the necessary components for installation, making it a straightforward modification for those seeking both form and function.

While it enhances the engine’s appearance, the actual performance gains might be modest compared to other options, and some users have noted that the fitment isn’t always perfect. This intake is best suited for owners who prioritize engine bay aesthetics and are looking for a moderate performance improvement.

This PHILTOP Cold Air Intake is specifically tailored for the V6 4.0L engine in your Toyota 4Runner, ensuring optimal fit and performance. The 3.5-inch intake tube and accompanying heat shield are designed to draw in cooler air, potentially leading to noticeable improvements in throttle response and overall power. The red finish adds a sporty aesthetic to your engine bay.

While engineered for the V6, some users might find the installation process requires patience, and the increased engine sound might be a consideration. It’s a good choice if you own a 4.0L V6 4Runner and are looking for a dedicated intake system that offers a balance of performance and visual appeal.

For owners of the 1999-2004 Toyota 4Runner, this K&N Cold Air Intake system is a proven upgrade. It features K&N’s signature high-flow air filter, designed to significantly improve airflow to your engine, resulting in enhanced performance and towing capabilities. The system is engineered for a direct fit, making installation relatively straightforward for those looking to boost their older 4Runner’s power.

While it offers excellent performance for its intended application, the sound produced by the intake is more aggressive than stock, which might not suit all drivers. It’s a fantastic choice if you’re seeking a reliable performance enhancement for your classic 4Runner and appreciate the peace of mind that comes with a reputable brand.

The Toyota Genuine TRD Air Intake (PTR03-89100) offers unparalleled integration and performance for your 4Runner or FJ Cruiser. As a TRD part, you can expect a perfect fit and finish, designed by Toyota to optimize airflow and enhance engine performance without compromising reliability. This intake provides a noticeable improvement in throttle response and a more satisfying engine sound, all while maintaining the quality assurance of a genuine OEM component.

While the performance gains are solid and the quality is top-notch, this TRD intake comes at a premium price point compared to aftermarket options. It’s the ideal choice for owners who prioritize factory-level fitment, reliability, and the performance benefits of a TRD-engineered system, and are willing to invest in genuine Toyota quality.

This K&N Cold Air Intake system (57-9016-1) is designed for the 2000-2004 Toyota 4Runner, delivering a noticeable boost in performance and an aggressive, sporty engine sound. The high-flow air filter allows for increased air intake, which can translate to better throttle response and more power, especially during towing. Its robust construction ensures longevity and reliable performance for your vehicle.

While the enhanced sound is a major draw for enthusiasts, it might be too loud for daily driving for some owners. This intake is an excellent choice if you’re looking to maximize your older 4Runner’s performance and enjoy a more visceral driving experience, including the audible feedback from the engine.