Weapon R Secret Weapon Intake

2004–2006 Scion xB

305-148-401

Overview:

The Weapon R Secret Weapon Intake is a revolutionary performance air intake system designed specifically for the 2004 to 2006 Scion xB. Engineered to dramatically improve airflow, this intake system is ideal for enthusiasts seeking enhanced engine power, throttle response, and efficiency without compromising reliability. Whether you drive daily or enjoy spirited driving, the Secret Weapon Intake delivers a noticeable upgrade over factory intakes and conventional aftermarket options.

By harnessing advanced aerodynamic principles, this intake system maximizes the volume and velocity of air entering your engine, helping to unlock your vehicle’s full performance potential. Its precision construction and high-quality materials ensure durability and a refined appearance under the hood.

Key Features:

The Weapon R Secret Weapon Intake combines innovative technology with expert craftsmanship to deliver superior performance and reliability. Key features include:

• Delivers up to three times more air to your engine compared to conventional intake systems, supporting increased horsepower and torque.
• Utilizes the Coanda effect and Bernoulli’s principle to create dual air velocity streams, optimizing airflow efficiency and engine breathing.
• Constructed from premium 6061 aluminum using advanced CNC mandrel bending for strength, durability, and a polished finish.
• Equipped with a high-performance air filter featuring a tuned velocity stack to reduce turbulence and increase air velocity.
• Includes a 1-inch thick high-flow polyurethane foam filter element that provides excellent filtration with minimal airflow restriction.
• Reusable foam filter element designed for easy cleaning and maintenance, ensuring long-term performance.
• Backed by a limited warranty covering up to 1 million miles for peace of mind.
• Patented design (US Patent #7,263,961B2) reflecting cutting-edge engineering and innovation.

Construction & Design:

The intake pipe is expertly crafted from high-quality 6061 aluminum, chosen for its lightweight strength and resistance to corrosion. The advanced CNC mandrel bending process ensures smooth, consistent airflow by eliminating sharp bends and restrictions. The polished finish not only enhances durability but also adds a sleek, professional look to your engine bay.

The system’s design strategically applies aerodynamic principles to create two distinct air velocity profiles within the intake tube. This dual-velocity airflow reduces turbulence and increases the mass of air delivered to the engine, improving combustion efficiency and overall performance.

Performance & Sound

• Significantly improves airflow, feeding your engine up to three times more air than stock intakes.
• Enhances throttle response and engine efficiency for a more engaging driving experience.
• Produces a refined intake sound that complements your vehicle’s performance character without excessive noise.

Installation & Fitment:

The Weapon R Secret Weapon Intake is designed as a direct-fit upgrade for the 2004–2006 Scion xB, utilizing factory mounting points and OEM air inlet locations. Installation is straightforward and requires no cutting, drilling, or special tuning, making it accessible for enthusiasts of all skill levels.

What's Included:

• Complete intake system including intake tube and high-performance air filter
• All necessary clamps and mounting hardware for a secure fit
• Installation instructions to guide you through the process

Emissions Note

This intake system is CARB exempt and carries CARB Executive Order #D-489-3, making it compliant for use in California and other states that recognize CARB exemptions. It is designed to meet emissions requirements without sacrificing performance.

Weapon*R is a long-running import performance brand best known for intake systems and filtration products like their Secret Weapon and Dragon intake lines. Founded in the early ’90s with a focus on high-performance parts, Weapon*R products are aimed at enthusiasts who want improved airflow, aggressive induction sound, and bolt-on style upgrades for sport-compact platforms.