Weapon R Race Intake Manifold

2004–2015 Scion xB (xB2)

Part #: 501-112-118

Overview

The Weapon R Race Intake Manifold is a high-performance upgrade designed specifically for the 2004 to 2015 Scion xB models, including the xB2 generation. Engineered to replace the factory intake manifold, this bolt-on component delivers significant power gains and improved throttle response for enthusiasts seeking enhanced engine performance. Ideal for street and track applications, it offers a reliable solution for drivers looking to maximize their Scion xB’s potential without extensive modifications.

Crafted to optimize airflow and boost turbo efficiency, the Weapon R Race Intake Manifold is perfect for those who want quicker turbo spool and a substantial increase in top-end power. Its design supports high boost levels, making it suitable for turbocharged setups aiming for aggressive performance improvements.

Key Features

This intake manifold incorporates advanced engineering and quality craftsmanship to ensure durability and performance gains. Key features include:

• CNC-machined velocity stacks for optimized airflow and improved throttle response
• Precision CNC-machined flanges for a perfect seal and easy installation
• Constructed from lightweight Billet AL6061 aluminum for strength and weight reduction
• Handmade in-house to maintain strict quality control standards
• Tested for leaks and pinholes to guarantee maximum power output
• Includes ports for all OEM sensors to maintain factory sensor functionality
• Fully bolt-on design requiring no major modifications for installation
• Capable of handling boost pressures up to 45 PSI, supporting aggressive turbo setups
• Compatible with most short ram intake systems; minor adjustments may be needed with some aftermarket brands
• Polished finish enhances engine bay aesthetics

Construction & Design

The Weapon R Race Intake Manifold is expertly crafted from high-grade Billet AL6061 aluminum, known for its excellent strength-to-weight ratio and resistance to heat and corrosion. The polished finish not only provides a sleek appearance but also helps dissipate heat effectively. Each manifold undergoes meticulous CNC machining to ensure precise dimensions and smooth airflow paths, contributing to improved engine breathing and efficiency.

Every unit is handmade in-house, allowing Weapon R to maintain rigorous quality standards and ensure each manifold meets performance and durability expectations. Leak and pinhole testing further guarantee that the manifold delivers consistent power gains without compromising reliability.

Performance & Sound

Designed to significantly enhance turbocharger response, the Weapon R Race Intake Manifold promotes quicker spool times and increased horsepower—proven to add over 50 wheel horsepower on similar turbocharged Mitsubishi platforms. This manifold improves airflow dynamics, resulting in stronger mid-range torque and higher top-end power. While primarily focused on performance, the improved airflow can also contribute to a more aggressive induction sound, enhancing the driving experience.

Installation & Fitment

The intake manifold is a direct bolt-on replacement for 2004–2015 Scion xB models, including the xB2 generation. Installation is straightforward and can typically be completed with basic hand tools. It retains all OEM sensor ports, ensuring compatibility with factory electronics and emissions systems. While it fits most short ram intake systems without issue, some aftermarket intake brands may require minor modifications for optimal fitment.

What's Included

• Weapon R Race Intake Manifold (Polished finish)
• All necessary ports for OEM sensors
• Installation hardware (if applicable)
• Detailed installation instructions

Ideal For

This intake manifold is ideal for Scion xB owners who want to unlock additional horsepower and torque from their turbocharged engines without extensive custom fabrication. It suits enthusiasts focused on street performance, weekend track days, or anyone upgrading their turbo setup to handle higher boost levels. The manifold’s durable construction and sensor compatibility also make it a practical choice for daily-driven vehicles seeking reliable power gains.

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.