Injen Engine Cold Air Intake

Why Injen Cold Air Intakes Stand Apart

When it comes to engine cold air intakes, few names carry as much engineering credibility as Injen Technology. The company holds a distinction that no other intake manufacturer can match: it designed and produced the world's first tuned air intake system and holds four patents on the tuning process of an intake system. That foundation of innovation is baked directly into every cold air intake they produce.

Patented Technologies That Make a Real Difference

At the heart of Injen's cold air intake lineup are two proprietary, patented technologies. MegaRam (MR) Technology (Patents 7,359,795 and 7,669,571) ensures optimal air volume for precise air-to-fuel ratios, delivering consistent power gains across the RPM range. Complementing it is Air Fusion Technology (Patents 7,757,548 and 7,721,699), which balances airflow dynamics to prevent turbulence and ensure smooth, uninterrupted delivery to the engine. Together, these innovations allow Injen intakes to produce exceptional horsepower and torque gains right out of the box — without the need for expensive aftermarket tuning that competing systems often require to correct poor fuel trim levels or check engine lights.

The Injen Cold Air Intake Product Lines

Injen offers several distinct cold air intake series, each engineered for a specific type of driver and build:

• SP Series — The Flagship: The SP Series is Injen's premier line of traditional aluminum cold air intakes. Built around a 6061-T6 aluminum tube that is mandrel-bent for a smooth, unrestricted airflow path, the SP Series incorporates both MR and Air Fusion technologies. It's available in polished, black, and custom finishes, and every kit includes the SuperNano-Web dry air filter and a limited lifetime warranty.
• RD Series — Race Division: The RD Series places the intake tube strategically behind the front bumper to source the coldest, densest air possible. Most RD systems feature a one-piece design, and every RD kit is certified or pending approval by the California Air Resources Board (CARB), making it emissions-legal in all 50 states.
• Evolution Series — Sealed Performance: Engineered for maximum isolation, the Evolution Series features a one-piece sealed housing with Injen's Twist-Lock System to securely attach either a SuperNano-Web dry filter or an 8-layer oiled cotton gauze filter. A roto-molded housing and 3D-designed components mean virtually no cutting or drilling is required during installation.
• PowerFlow (PF) Series: The PowerFlow line features a massive cast aluminum power box with pre-filter screens and MR Technology, targeting trucks and performance vehicles that demand high-volume airflow.

SuperNano-Web Filtration: No Oil Required

Every Injen cold air intake ships with the brand's proprietary SuperNano-Web dry air filter. This filter increases surface area for greater airflow while maintaining superior particle filtration — and unlike oiled filters, it requires only mild soap and water to clean. It's washable, reusable, and fully serviceable, which contributes to long-term cost savings and hassle-free ownership.

Dyno-Proven Gains, Lifetime Warranty

Injen doesn't rely on marketing claims alone. Each intake system is dyno-tested and backed by documented performance data, with gains varying by vehicle application. Every Injen cold air intake also carries the brand's limited lifetime warranty to the original purchaser, covering defects in materials and workmanship on both the intake pipe and the air filter — a testament to the confidence Injen places in its manufacturing quality.