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Cold Air Power for Your Tacoma's 3.5L V6 Without the Plastic
The K&N KNN70-9039 NextGen Aluminum Cold Air Intake replaces the factory airbox with a mandrel-bent 6063 aluminum tube that feeds colder, denser air straight to your Toyota Tacoma's engine. Tested and proven to increase airflow up to 40% over the stock system, this kit delivers measurable real-world gains of up to 17.4 horsepower and 17.8 lb-ft of torque. No tune required. No voided warranty when installed correctly under the Magnuson-Moss Warranty Act.
Key Features
- KNN70-9039 increases airflow up to 40% over the factory air box
- Dyno-tested gains up to 17.4 HP and 17.8 lb-ft of torque on 2016-2023 Tacoma V6 3.5L F/I
- American-made 6063 aluminum intake tube for superior heat resistance vs. plastic
- Includes washable, reusable High-Flow Lifetime Air Filter with oiled cotton media
- NextGen air box shields intake air from underhood heat
- Compatible with factory sensors: no tune or ECU modification required
- Serviceable up to 100,000 miles under normal highway driving conditions
- Typical installation time under 60 minutes with basic hand tools
- Dyno-tested and 50-state emissions compliant (CARB EO D-670-4)
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2016-2023 | Toyota | Tacoma |
Specifications
| Detail | Value |
|---|---|
| Part Number | KNN70-9039 |
| Brand | K&N Engineering |
| Application | 2016-2023 Toyota Tacoma V6 3.5L F/I |
| Airflow Increase | Up to 40% |
| Horsepower Gain | Up to 17.4 HP |
| Torque Gain | Up to 17.8 lb-ft |
| Tube Material | 6063 Aluminum |
| Filter Media | Oiled Cotton Gauze (Washable/Reusable) |
| Filter Service Interval | Up to 100,000 miles |
| Tune Required | No |
| Emissions | CARB EO D-670-4, 50-State Legal |
| UPC | 024844469113 |
What's Included
- K&N KNN70-9039 aluminum intake tube
- K&N High-Flow Lifetime Air Filter (oiled, reusable)
- NextGen aluminum air box with heat shield
- All mounting hardware and factory sensor adapters
- Installation instructions
About K&N Engineering
Founded in 1969 in Riverside, California, K&N Engineering has been building performance air filters and intake systems for over 55 years. Every K&N filter comes with a Million Mile Limited Warranty and is washable and reusable, making it the last air filter most enthusiasts will ever need to buy for a given vehicle.
Frequently Asked Questions
Does the KNN70-9039 require a tune on the 2016-2023 Toyota Tacoma?No. The KNN70-9039 is designed to work with all factory sensors and the stock ECU map. No tune or ECU recalibration is required after installation.
Will installing the KNN70-9039 void my Toyota factory warranty?Under the Magnuson-Moss Warranty Act, a dealer cannot void your factory warranty solely because you installed an aftermarket part. They must demonstrate the part caused a specific failure. K&N also offers a limited warranty on the intake system itself.
How much horsepower does the K&N KNN70-9039 add to the Tacoma 3.5L V6?K&N's dynometer testing showed gains of up to 17.4 horsepower and 17.8 lb-ft of torque on the 2016-2023 Toyota Tacoma 3.5L V6 F/I engine with the KNN70-9039 installed.
Is the KNN70-9039 legal in California and all 50 states?Yes. The KNN70-9039 holds CARB Executive Order D-670-4 and is legal for street use in all 50 states including California.
How do I clean and re-oil the K&N filter included with the KNN70-9039?Use K&N Recharger Filter Care Kit (99-5000). Spray K&N Power Kleen on the filter, let it soak for 10 minutes, rinse with low-pressure water from the clean side, allow to dry completely, then apply K&N Filter Oil lightly and evenly. Do not use before the oil has dried.
How long does it take to install the KNN70-9039 on a Toyota Tacoma?Most installations take 45 to 60 minutes using basic hand tools. The kit replaces the factory air box and intake tube and includes all required hardware.
Does the KNN70-9039 fit both 2WD and 4WD Toyota Tacoma models?Yes. The KNN70-9039 is compatible with all drivetrain configurations of the 2016-2023 Toyota Tacoma equipped with the V6 3.5L F/I engine.
What is the service interval for the K&N filter in the KNN70-9039 kit?Under normal highway driving conditions, K&N recommends cleaning and re-oiling the filter every 75,000 to 100,000 miles. In dusty or off-road conditions, inspect more frequently and service as needed.
Installation Instructions
- Disconnect the negative battery terminal before beginning work
- Remove the factory air box lid and loosen the intake boot clamp at the throttle body
- Disconnect all sensor connectors from the factory intake tube and air box
- Remove the factory air box base and intake tube assembly
- Install the K&N KNN70-9039 aluminum tube and route as shown in instructions, reconnecting all sensor connectors
- Mount the NextGen air box and secure with provided hardware
- Install the K&N High-Flow filter onto the intake tube end and secure the clamp
- Reconnect the negative battery terminal and start the vehicle to verify no codes or leaks
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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