BLOX Racing Cat-Back Exhaust System

2015–2018 Subaru WRX / WRX STI 2.0L / 2.5L Turbocharged

Part #: BXEX-51001

Overview

The BLOX Racing Cat-Back Exhaust System for the 2015-2018 Subaru WRX and STI is designed to enhance your vehicle's performance, sound, and aesthetic appeal. Crafted from high-quality T304 stainless steel, this exhaust system offers durability and corrosion resistance, ensuring it stands up to the rigors of spirited driving and daily use. Whether you're looking to improve exhaust flow, achieve a more aggressive exhaust note, or upgrade your Subaru's appearance, this system provides a reliable and performance-oriented solution.

Ideal for enthusiasts who want to support increased horsepower and torque, the BLOX Racing Cat-Back Exhaust delivers a noticeable improvement in throttle response and exhaust flow. Its mandrel-bent tubing ensures smooth airflow, reducing backpressure and helping your turbocharged engine breathe more freely. The dual high-flow mufflers with dual tips not only contribute to a sportier sound but also add a refined visual touch to your vehicle's rear end.

Key Features

The BLOX Racing Cat-Back Exhaust System incorporates several advanced features designed to maximize performance and durability:

• Constructed from premium T304 stainless steel, providing excellent corrosion resistance and longevity.
• 3-inch mandrel-bent tubing ensures optimal airflow and reduces turbulence within the exhaust path.
• TIG-welded construction guarantees precise, strong welds for durability and leak-free operation.
• Dual high-flow mufflers with dual tips produce a deeper, more aggressive exhaust note that enhances your vehicle's sporty character.
• Exits out of the rear with a clean, polished appearance, adding to the aesthetic appeal of your Subaru.
• Designed for easy bolt-on installation with factory mounting points, requiring no cutting or welding.
• Improves exhaust flow compared to the stock system, supporting increased power output and better engine response.
• Reduces weight over the factory exhaust, contributing to improved handling and performance.
• Enhances the visual profile of your vehicle with high-quality dual tips that complement the sporty look of the WRX/STI.

Construction & Design

The BLOX Racing Cat-Back Exhaust System is engineered with precision craftsmanship, utilizing mandrel-bent tubing to ensure consistent diameter and smooth bends that promote unrestricted airflow. The use of T304 stainless steel throughout the system provides excellent resistance to rust and corrosion, making it suitable for both street and track use. TIG welding techniques are employed to create strong, seamless joints that withstand high temperatures and vibrations, ensuring long-lasting performance. The dual mufflers are designed to produce a deep, aggressive exhaust tone without excessive drone, striking a balance between sporty sound and daily drivability.

Installation & Fitment

The BLOX Racing Cat-Back Exhaust System is designed for a straightforward bolt-on installation. It mounts directly to the factory exhaust mounting points, requiring no cutting, welding, or modifications. The system includes all necessary hardware and clamps for a secure fit. Typical installation time is approximately 1-2 hours for those with basic mechanical skills. No tuning is required, making it an easy upgrade for enthusiasts seeking immediate performance and sound improvements.

What's Included

• Complete cat-back exhaust system with mandrel-bent tubing
• Dual high-flow mufflers with dual tips
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

• Subaru WRX and STI owners seeking performance upgrades
• Enthusiasts wanting a sportier exhaust sound
• Drivers looking to reduce weight and improve exhaust flow
• Street and track day enthusiasts aiming for a durable, high-quality exhaust system