What kind of performance gains can I expect with this Injen intake?

This intake is dyno-proven to deliver up to 16 horsepower and 19.4 ft-lbs of torque. These gains are achieved by allowing your engine to breathe more freely.

Does this intake require a tune after installation?

No, this Injen cold air intake is designed to work with your vehicle's factory computer and does not require additional tuning. It helps maintain safe air-fuel ratios on its own.

How do I maintain the air filter included with this kit?

The included SuperNano-Web dry air filter is fully serviceable. You can clean and reuse it, and replacement filters are available under part number X-1021-BB.

Injen 04-06 Altima 3.5L V6 Black Cold Air Intake

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Specifications

Brand: Injen
Part #: SP1978BLK
UPC: 843115007287

Injen 04-06 Altima 3.5L V6 Black Cold Air Intake

Name: Injen 04-06 Altima 3.5L V6 Black Cold Air Intake
Brand: Injen
Price: 433.30 USD
Availability: InStock

$433.30

Only 4 left in stock

Fits 2004-2006 Nissan Altima. This Injen cold air intake improves airflow for noticeable horsepower and torque gains.

Key Features

Fits 2004-2006 Nissan Altima 3.5L V6.
Features Injen's patented MegaRam (MR) Technology for optimal gains and safe air-fuel ratios.
Dyno-proven horsepower gains of up to 16 hp and torque gains of up to 19.4 ft-lbs.
Constructed with 6061-T6 aluminum tubing for a smooth, unrestricted airflow path.
Includes a fully serviceable Injen SuperNano-Web dry air filter for increased airflow and filtration.
Produces an aggressive engine tone under full throttle.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Nissan Altima 2004-2006

Product Details

Injen is known for its performance intake systems, holding several patents on their tuning process. This SP series cold air intake is their flagship aluminum system, designed to help your 2004-2006 Nissan Altima 3.5L V6 breathe easier and unlock more power. It's built to give your engine the airflow it needs for improved performance.

The heart of this system is the 6061-T6 aluminum tubing, which offers a smooth path for air entering the engine. This design helps maintain a safe air-fuel ratio across the power band, so you get reliable gains without compromising your engine's health. It also includes a serviceable SuperNano-Web dry air filter, which has a large surface area for both increased airflow and effective filtration.

Beyond the performance improvements, this Injen intake also changes the sound of your engine, giving it a more aggressive tone under acceleration. The kit comes with everything needed for installation, and it's made in Pomona, California. It also carries Injen's limited lifetime warranty.