Weapon-R 304-128-101 Secret Weapon Air Intake Kit Polished Aluminum

The Weapon-R Secret Weapon Intake (PN: 304-128-101) is a patented high-performance air intake system engineered to dramatically increase airflow volume to the engine. Unlike conventional single-stream intakes, the Secret Weapon's proprietary design leverages the Coanda effect and Bernoulli's principle to generate two distinct air velocity profiles within a single intake pipe — one stream moving at higher velocity than the other. This dual-velocity approach maximizes air mass and volume delivery, allowing the system to feed the engine up to 3x more air than a stock intake system.

The intake pipe is precision-formed from 6061 aircraft-grade aluminum using an automated CNC mandrel bending process, ensuring smooth, consistent bends with no airflow-robbing crimps or kinks. The pipe is finished to a high-gloss polished show quality appearance.

The system is paired with Weapon-R's proprietary SW1 air filter, which incorporates a tuned velocity stack designed to further reduce turbulence and boost incoming air velocity. The filter element is a 1-inch thick, open-pore high-density reusable polyurethane foam that delivers excellent filtration with minimal restriction — and can be cleaned and reused rather than replaced.

Key Features:

• Patented dual-velocity airflow technology (US Patent #7,263,961B2)
• Delivers up to 3x more air than conventional intake systems
• Precision CNC mandrel-bent 6061 aluminum intake pipe
• High-gloss polished finish — available in polished only
• SW1 air filter with tuned velocity stack reduces turbulence and increases air velocity
• 1-inch thick reusable open-pore high-density polyurethane foam filter element
• Backed by Weapon-R's 1 Million Mile Limited Warranty

The Secret Weapon Intake is a direct-fit performance upgrade that combines proven physics-based engineering with premium materials and a show-quality finish. Professional installation is recommended.