Weapon R Header CEL Eliminator

2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, 2017–2020 Toyota 86

Part #: 963-111-102

Overview

The Weapon R Header CEL Eliminator is a precision-engineered solution designed to eliminate the persistent Check Engine Light (CEL) that often appears after installing aftermarket headers on your vehicle. Specifically developed for the 2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, and 2017–2020 Toyota 86, this device prevents the engine from entering Limp Mode due to oxygen sensor errors without compromising performance.

Ideal for enthusiasts who have upgraded their exhaust systems and want to maintain optimal drivability, the CEL Eliminator ensures your vehicle operates smoothly by accurately simulating the correct oxygen sensor signals. This allows you to enjoy the full power potential of your engine without the annoyance of warning lights or reduced engine output.

Key Features

The Weapon R Header CEL Eliminator combines advanced engineering with practical functionality to deliver reliable performance. Key features include:

• Eliminates Check Engine Light caused by header installation
• Prevents Limp Mode activation for uninterrupted driving
• Precisely calibrated to simulate correct oxygen sensor readings
• Maintains factory-level engine performance and efficiency
• Installs easily on the S-pipe, not the header, ensuring proper fitment
• Compatible with multiple models: Scion FR-S, Subaru BRZ, and Toyota 86
• Durable construction designed for long-term reliability
• Tested extensively to balance emissions signals and horsepower gains

Construction & Design

The CEL Eliminator is crafted with high-quality materials engineered to withstand the harsh conditions of the exhaust system environment. Its robust design ensures consistent performance and durability over time. The unit is designed to install directly onto the S-pipe, which allows it to accurately manage oxygen sensor signals without interfering with the header itself. This strategic placement helps maintain the integrity of your vehicle’s emissions system while optimizing engine output.

Performance & Sound

By accurately simulating the oxygen sensor signals, the Weapon R CEL Eliminator allows your engine management system to operate without triggering error codes or reducing power. This means you can extract maximum horsepower potential from your upgraded headers without sacrificing drivability or triggering unwanted warning lights. The device does not alter exhaust sound but supports the performance gains achieved through your header upgrade.

Installation & Fitment

Installation is straightforward and designed for bolt-on convenience. The CEL Eliminator mounts on the S-pipe, not the header, ensuring compatibility with your existing exhaust setup. No complex wiring or tuning is required, making it an ideal solution for enthusiasts seeking a hassle-free fix to CEL issues after header installation. It fits the following vehicles:

• 2013–2016 Scion FR-S
• 2013–2020 Subaru BRZ
• 2017–2020 Toyota 86

What's Included

• Weapon R Header CEL Eliminator unit
• Mounting hardware for S-pipe installation
• Installation instructions

Ideal For

This product is perfect for performance enthusiasts who have installed aftermarket headers on their Scion FR-S, Subaru BRZ, or Toyota 86 and are experiencing Check Engine Light issues or Limp Mode activation. It is also suitable for those who want to maintain factory-level engine management accuracy while maximizing horsepower gains without the need for complex tuning or modifications.