Best Cold Air Intake For 4Runner: Compare 7 Kits

#1 · Best Overall

1. K&N 63-9034

Best for: Later-model 4Runner towing.

Why it ranks #1: Its stated 2010–2024 4Runner fitment covers a broad range, and K&N reports dyno testing plus a high-flow filter and limited warranty.

Wheel-dyno testing with reports included gives this K&N intake a concrete performance distinction, while its less restrictive airflow path is intended to increase cool, oxygen-rich air reaching the engine. The listing covers 2010–2024 Toyota 4Runner models, making it a candidate for owners seeking an airflow and engine-sound change.

The less restrictive intake path is intended to increase airflow and support horsepower and torque, a relevant benefit for drivers who tow. K&N says wheel-based dynamometer testing is performed and reports come with each system, giving buyers documentation of its performance testing. The intake also aims to make the engine growl more audible. Its listed dimensions are 22.25 by 14.25 by 12.5 inches, so account for that package size when planning storage before installation.

Skip it if you need an intake available for street use in California or another CARB state; this listing excludes those markets.

For owners of listed 2010–2024 4Runners who want a documented, airflow-focused intake and a more audible engine note, this K&N is a relevant option; its California and CARB-state restriction is a decisive boundary.

Listed on Amazon as: K&N Cold Air Intake System: High-Flow Air Filter, Increase Performance & Towing: Compatible with 2010-2024 Toyota: 4Runner, FJ Cruiser, 63-9034

#2 · Dry Filter Pick

2. Airaid 515-302

Best for: Reusable dry-filter preference.

Why it ranks #2: This system fits listed 2010–2021 4Runners and includes a washable, reusable oil-free synthetic filter with a no-hassle lifetime limited warranty.

Its oil-free synthetic filter is washable and reusable, making this Airaid intake appealing to 4Runner owners who want filter maintenance without oiling. The system replaces stock intake tubing, the filter, and the air box where applicable, and the listing covers 2010–2021 Toyota 4Runner models.

Airaid says the system replaces the stock intake tubing, air filter, and air box where applicable, consolidating those components in a vehicle-specific intake package. The dry synthetic filter is washable and reusable, so routine filter care does not call for oiling. Installation is described as using commonly available tools, a practical point for owners handling the work themselves. Its listed fitment includes 2010–2021 4Runner and 2010–2014 FJ Cruiser models.

Skip it if you have a 2022–2024 4Runner; the K&N 63-9034 listing covers 2010–2024 models instead.

This fits owners of listed 2010–2021 4Runners who want a reusable dry filter and an installation described around common tools. Its stated vehicle range stops at 2021, so later 4Runner applications fall outside the listing.

Listed on Amazon as: AIRAID Cold Air Intake System by K&N: Increased Horsepower, Dry Synthetic Filter: Compatible with 2010-2021 TOYOTA (4 Runner, FJ Cruiser) AIR-515-302

#3 · Aluminum Pipe

3. KAX 3.5-inch Intake

Best for: Aluminum-tube 4Runner upgrades.

Why it ranks #3: Its aluminum-alloy intake pipe and included filter, tube, hoses, and heat shield make a substantial kit; listed fitment includes 2010 and 2011–2023 4Runners.

An aluminum-alloy intake pipe is the KAX kit’s defining hardware feature, offering a more durable pipe material than a basic plastic-tube approach. KAX lists 2010–2024 4Runner fitment and claims horsepower, torque, and airflow-efficiency gains, while the package includes a filter and heat shield.

KAX claims 8–12% more horsepower and 6–10% more torque, linking its airflow change to acceleration and pulling power. The aluminum-alloy intake pipe is described as more resistant to damage, which may matter for owners prioritizing pipe durability. Its included filter, silicone hose, connector, and heat shield provide the principal kit pieces together, reducing the need to source those listed components separately. The stated compatibility also names 2010–2014 FJ Cruiser models.

Skip it if you want wheel-dyno reports included with the intake; the K&N 63-9034 listing says its testing reports come with the system.

Consider this for a listed 2010–2024 4Runner owner who values an aluminum-alloy pipe and a kit with core intake pieces included. Check that the stated vehicle range matches your specific application before purchase.

Listed on Amazon as: KAX 3.5" Cold Air Intake Kit for 2010-2024 Toyota 4Runner 4.0L

#4

4. PHILTOP 3.5-inch Intake

Best for: FJ Cruiser acceleration seekers.

Why it ranks #4: The listing describes a kit with a filter, intake tube, hoses, and heat shield, and its model information claims 2011–2024 4Runner fitment; verify the vehicle match.

A 3.5-inch intake tube and an included heat shield distinguish this PHILTOP kit, pairing an airflow change with a barrier around the filter. Its listing names 2010–2014 FJ Cruiser fitment and describes acceleration and towing benefits, with a growl during acceleration that quiets at highway speeds.

PHILTOP says its less restrictive airflow path can add up to an estimated 14 horsepower and 13 foot-pounds of torque, potentially supporting acceleration and towing. The included heat shield and silicone hose and connector make up part of the installation kit, while the MAF sensor interface provides a connection point; the sensor itself is not included and is sold separately. The listing also describes a growl under acceleration that returns to silence at highway speeds.

Skip it if you need the MAF sensor in the kit; the listed KAX 3.5-inch kit includes an intake tube, filter, heat shield, hose, and connector.

This suits a buyer whose vehicle matches the listed 2010–2014 FJ Cruiser fitment and who wants an intake with a heat shield and acceleration-focused airflow claims. Factor in sourcing the separate MAF sensor before choosing it.

Listed on Amazon as: PHILTOP 3.5" Cold Air Intake Kit for 2010-2014 Toyota FJ Cruiser, Red

#5 · Older-Model Option

5. EVIL ENERGY Intake

Best for: Older 4.0L V6 applications.

Why it ranks #5: It is explicitly listed for 2003–2009 4Runner 4.0L V6 models and includes a heat shield and pre-filter; its stated installation time is around 40 minutes.

A pre-filter and heat shield are included with this EVIL ENERGY intake, adding two protective components to a kit for older Toyota applications. The listed 4Runner fitment is specifically 2003–2009 4.0L V6, and the seller estimates installation at around 40 minutes.

The heat shield and pre-filter are supplied with the intake, giving buyers those listed components as part of the kit rather than separate items. EVIL ENERGY states an installation time of around 40 minutes, useful for planning the work, though actual time depends on the task. Its compatibility is limited in the listing to 2003–2009 4Runner 4.0L V6, alongside specified Tacoma and FJ Cruiser years, so this is not the broad later-model option in the roundup.

Skip it if you drive a 2010-or-newer 4Runner; the Airaid AIR-515-302 listing covers 2010–2021 models.

This is a focused option for owners of the listed 2003–2009 4.0L V6 4Runner who want a heat shield and pre-filter in the kit. Its stated fitment does not cover later 4Runner model years.

Listed on Amazon as: EVIL ENERGY Cold Air Intake Compatible for 2005-2011 Toyota Tacoma, 2007-2009 Toyota FJ Cruiser, 2003-2009 4Runner 4.0L V6, Includes Heat Shield & Pre-Filter, Black

#6

6. K&N 57-9016-1

Best for: Early 2000s towing upgrades.

Why it ranks #6: This K&N intake is listed for 2000–2004 4Runners and also names Tacoma fitment, making it a relevant option for owners of those older model years.

Included wheel-dynamometer reports set this K&N intake apart for owners of listed 2000–2004 Toyota 4Runners who want documented performance testing. Its less restrictive airflow path is intended to deliver more cool, oxygen-rich air to the engine, while the listing also describes a more pronounced engine growl.

The less restrictive airflow path is intended to increase airflow and support horsepower and torque, which K&N positions as useful for performance and towing. The company says testing uses wheel-based dynamometers and includes reports with the system, giving buyers documentation rather than only a performance claim. K&N also describes an engine growl as an effect of improved breathing. Listed fitment includes 2000–2004 4Runner and Tacoma applications; verify the vehicle application against the supplied range.

Skip it if you own a 2005-or-newer 4Runner; the K&N 63-9034 listing covers 2010–2024 models.

For an owner of a listed 2000–2004 4Runner seeking a documented airflow upgrade for performance or towing, this K&N warrants consideration. Its year range is narrow, so later 4Runner applications are outside the listing.

Listed on Amazon as: K&N Cold Air Intake System: High-Flow Air Filter, Increase Performance & Towing: Compatible with 2000-2004 Toyota: 4Runner, Tacoma, 57-9016-1

#7 · V8-Specific Option

7. K&N 63-9022

Best for: Early V8 4Runner owners.

Why it ranks #7: Its specifications identify a 2003–2004 4Runner with a 4.7L V8, giving it narrower but explicit fitment for that engine and model-year combination.

This K&N kit specifically identifies the 2003–2004 Toyota 4Runner V8-4.7L application, distinguishing it from listings centered on other engine ranges. Its less restrictive airflow path is intended to increase cool, oxygen-rich air, and K&N says wheel-dyno testing reports are included with the intake.

K&N describes a less restrictive path that increases cool, oxygen-rich airflow, with horsepower and torque gains as the intended result. The supplied components identify an AirCharger for a 2003–2004 4Runner V8-4.7L, giving buyers a clearly stated engine and year application. K&N also says its performance testing uses wheel-based dynamometers and that reports come with the system. Those reports provide documentation of the maker’s testing, while the listed engine specification helps narrow application decisions.

Skip it if you have a 2003–2004 4Runner with a different listed engine; the K&N 57-9016-1 covers 2000–2004 4Runner applications.

Choose this for a 2003–2004 4Runner V8-4.7L owner seeking an AirCharger with included dyno-report documentation. The engine and model-year specification is narrow, so other 4Runner applications are beyond its stated fitment.

Listed on Amazon as: K&N Cold Air Intake System: High-Flow Air-Filter, Increase Performance & Horsepower: Compatible with 2003-2004 TOYOTA 4Runner, 63-9022