Weapon R Secret Weapon Intake System

2004–2006 Scion xA

Part #: 305-149-101

Overview

The Weapon R Secret Weapon Intake System is engineered to significantly enhance the air intake efficiency of your 2004–2006 Scion xA. Designed for enthusiasts seeking improved engine breathing without sacrificing reliability, this intake system increases the volume and velocity of air delivered to the engine. By optimizing airflow dynamics, it supports better combustion, which can translate to improved throttle response and overall engine performance.

This intake is ideal for drivers who want a high-quality, durable upgrade that blends performance gains with a polished, show-ready appearance. Whether you’re looking to enhance daily driving or prepare your Scion xA for spirited driving, the Secret Weapon Intake System offers a proven solution.

Key Features

The Secret Weapon Intake System incorporates advanced airflow technology and premium materials to deliver superior performance and longevity. Key features include:

• Dual air velocity profiles that create two different airflow speeds, increasing air volume and velocity to the engine.
• Delivers up to three times more air than conventional factory intake systems for improved engine breathing.
• Precision-bent intake pipe crafted from high-quality 6061 aluminum using automated CNC mandrel bending for optimal airflow and durability.
• Polished finish that provides a sleek, show-quality appearance under the hood.
• SW1 air filter featuring a tuned velocity stack designed to increase air velocity while reducing turbulence.
• Open-pore, high-density reusable foam filter media for excellent filtration and easy maintenance.
• Backed by a 1 million mile limited warranty, underscoring the product’s durability and quality.
• Designed specifically for the 2004–2006 Scion xA for a perfect fit and seamless integration.

Construction & Design

The intake pipe is expertly formed from premium 6061 aluminum, known for its strength, lightweight properties, and resistance to corrosion. The use of automated CNC mandrel bending ensures smooth, consistent bends that maintain optimal airflow without restrictions or turbulence. The polished finish not only enhances visual appeal but also provides a protective layer against environmental elements.

The SW1 air filter is engineered with a tuned velocity stack that optimizes airflow dynamics by increasing velocity and minimizing turbulence. Its open-pore, high-density foam media is washable and reusable, offering long-term cost savings and consistent filtration performance.

Performance & Sound

By increasing the volume and speed of air entering the engine, the Secret Weapon Intake System supports improved combustion efficiency. This can lead to enhanced throttle response and a more responsive driving experience. Additionally, the intake system can produce a subtle induction sound that adds an engaging auditory element without being intrusive.

Installation & Fitment

The Weapon R Secret Weapon Intake System is designed for a direct fit on 2004–2006 Scion xA models, requiring no major modifications. Installation is straightforward and can typically be completed with basic hand tools. The kit includes all necessary hardware and instructions to ensure a secure and proper fit, making it accessible for both professional installers and experienced enthusiasts.

What's Included

• 6061 aluminum intake pipe with polished finish
• SW1 high-density foam air filter with tuned velocity stack
• Mounting hardware and clamps
• Installation instructions

Ideal For

This intake system is perfect for Scion xA owners looking to upgrade their factory air intake for better performance and aesthetics. It suits daily drivers wanting improved throttle response, as well as enthusiasts preparing their vehicle for light performance tuning or track days. The durable construction and reusable filter also make it a practical choice for long-term use.

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.