Is your 2004-2008 Nissan Maxima V6-3.5L feeling sluggish? If your engine is gasping for air and you’re craving a boost in horsepower, the Injen SP1946BLK Cold Air Intake is your ticket to enhanced performance. This isn’t just any intake; it’s part of Injen’s flagship SP series, renowned for its innovative design and cutting-edge technology that truly transforms your driving experience.
Injen Technology has a legacy of being the first to develop tuned air intake systems, holding multiple patents that set them apart from the competition. The SP series incorporates their patented MegaRam (MR) Technology and Air Fusion Technology, ensuring that your engine receives optimal airflow without compromising the air-fuel ratio.
The heart of this intake is its 6061-T6 aluminum air intake tube, designed for a smooth, unobstructed airflow path. This means you’ll not only feel the power increase but also enjoy the clean aesthetics every time you pop the hood. Plus, the engineers at Injen have meticulously crafted this system to maintain a safe air-fuel ratio across the power band, so you can push your Maxima without worry.
Nissan Maxima owners have raved about the transformation this intake brings. One owner mentioned, “After installing the Injen SP1946BLK, my Maxima feels like a different car. The throttle response is sharper, and I can actually hear the engine roar when I hit the gas!” Another noted, “The installation was straightforward, and the fit was perfect. I love how it looks under the hood, too!”
For those who demand more from their 2004-2008 Nissan Maxima, the Injen SP1946BLK Cold Air Intake is a must-have upgrade. Experience the difference in power, sound, and efficiency while adding a touch of style to your engine bay. Don’t settle for less—give your Maxima the breath of fresh air it deserves!
Other Part Numbers:
Injen #injSP1946BLK
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2004-2008 Nissan Maxima |
Maxima | 2004-2008 |
Injen is highly recognized in the automotive industry. The company started in 1991 and specializes in manufacturing high-quality air induction products. The company has become the go-to brand by multiple import tuners and has since become an automotive icon in the industry.
Years of ExperienceFor more than three decades, the company has created dozens of patents and thousands of new products. All of their products are dyno-tested to ensure that it provides optimum performance to the vehicle it is applied to.
Injen offers a variety of products ranging from intake systems, intercoolers, exhaust systems, and other performance parts. All their products are made out of high-quality materials and are designed by the industry’s top designers and engineers. This enables them to create products that are not only functional but adds an aesthetic value to the vehicle. Even up to now, the company never stops in improving its product. Hence, they are a favorite of tuners who wanted to have the best.
Purchase Injen Products at Vivid RacingIf you are looking for products that provide performance gains and are tried and tested, then Injen is the brand for you. They have been used by thousands of enthusiasts worldwide and have provided them high-performance products they truly deserve. The company has one of the most comprehensive lists of products that applies to most vehicles available in the market. You can never go wrong with Injen.
Visit Vivid Racing and check out their list of products that would fit your specific needs.

Injen Technology offers a Limited Lifetime Warranty to the original purchaser against defects in material and workmanship on all intake systems excluding the filter element. Injen Technology will replace at no charge, any intake pipe considered by Injen Technology to be defective. The warranty is void if the warranty card is not returned to Injen Technology within the first 30 days of purchase. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology.s discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement.
EXHAUST WARRANTY
Injen Technology offers a one-year warranty to the original purchaser against defects in material and workmanship on all exhaust systems. Injen Technology will replace at no charge, any exhaust system considered by Injen Technology to be defective. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology's discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement.
AIR INTAKES AND ACCESSORIES
Injen Technology offers a Limited Lifetime Warranty to the original purchaser against defects in material and workmanship on all intake systems excluding the filter element. Injen Technology will replace at no charge, any intake pipe considered by Injen Technology to be defective. The warranty is void if the warranty card is not returned to Injen Technology within the first 30 days of purchase. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology's discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, nor does it cover the cost of installation or removal of the defective part or its replacement. All warranty items must be sent freight prepaid with a valid RMA (Return Merchandise Authorization) number and copy of original invoice.
SES INTERCOOLERS AND EXHAUST SYSTEMS
Injen Technology offers a one-year warranty to the original purchaser against defects in material and workmanship on all exhaust systems. SES Intercooler and exhaust systems that have been installed will not be eligible for return under any circumstances. Defective parts will be replaced or repaired as deemed necessary by Injen Technology. All other warranty issues will apply as indicated under the Air Intake section. Most exhaust and Intercooler system installations may require a lift and or specialized tools. Due to the installation complexity of automotive exhaust and Intercooler systems, Injen Technology recommends that a qualified technician perform the installation. Most local Tuner or exhaust and muffler shops offer professional installation.