Magnaflow Cat Back Exhaust

2008–2014 Subaru WRX / 2008–2014 Subaru STI 2.0L Turbo

Part #: 16856

Overview

The Magnaflow Cat Back Exhaust for Subaru WRX and STI models from 2008 to 2014 is designed to enhance your vehicle's performance, sound, and overall driving experience. Crafted in the USA with durability and quality in mind, this exhaust system is ideal for enthusiasts seeking increased horsepower, improved exhaust flow, and a deep, aggressive sound. Whether you're looking to boost your daily driver or elevate your car's performance for spirited driving, this Magnaflow system delivers reliable, high-quality performance.

Engineered to provide a significant upgrade over stock exhaust systems, the Magnaflow Cat Back Exhaust helps support increased power output while maintaining excellent exhaust efficiency. Its straight-through flow design minimizes restrictions, allowing your turbocharged Subaru to breathe more freely, resulting in improved throttle response and a more engaging driving experience. The dual split rear exit configuration not only enhances the aesthetic appeal but also contributes to a balanced, deep exhaust tone that enthusiasts love.

Key Features

The Magnaflow Street Series Performance Exhaust system features several key design elements that set it apart:

• Constructed with high-quality stainless steel for exceptional durability and resistance to corrosion, ensuring long-lasting performance even in harsh conditions.
• Mandrel-bent tubing maintains consistent diameter throughout the system, optimizing airflow and minimizing turbulence for maximum power gains.
• Straight-through flow design allows for unrestricted exhaust flow, supporting increased horsepower and torque compared to the factory exhaust.
• Dual split rear exit provides a bold, aggressive look and a deep, resonant exhaust note that enhances your vehicle's sound profile.
• Made in the USA, ensuring strict quality control and craftsmanship standards.
• Engineered for easy bolt-on installation with OEM mounting points, requiring no cutting or welding.
• Designed to improve exhaust flow efficiency, which can contribute to better fuel economy under certain driving conditions.
• Provides a smooth, deep tone that enhances the sporty character of your Subaru WRX or STI without excessive drone or noise.
• Compatible with both WRX and STI models, offering a versatile upgrade for turbocharged Subaru enthusiasts.

Construction & Design

The Magnaflow Cat Back Exhaust system is built with precision and attention to detail. The main components include a high-grade stainless steel muffler and resonator, mandrel-bent tubing, and dual split rear exit tips. The one-piece mandrel-bent tubing ensures smooth exhaust flow, reducing backpressure and maximizing performance. The system's TIG-welded construction guarantees strength and longevity, while the polished finish adds a sleek, professional appearance to your vehicle's rear end.

The dual split rear exit design not only improves exhaust flow but also provides a balanced aesthetic, giving your Subaru a more aggressive stance. The system is engineered to fit perfectly with the factory mounting points, making installation straightforward and hassle-free. Its durable construction ensures it will withstand the rigors of daily driving, spirited runs, and exposure to the elements.

Installation & Fitment

The Magnaflow Cat Back Exhaust system is a bolt-on upgrade that requires no cutting, drilling, or welding. It mounts directly to the factory exhaust mounting points, ensuring a secure and precise fit. Basic hand tools are sufficient for installation, and the process typically takes less than a few hours. No tuning or additional modifications are necessary, making this an accessible upgrade for DIY enthusiasts and professional installers alike.

• Easy bolt-on installation with OEM mounting points
• No cutting, drilling, or welding required
• Designed for a straightforward, hassle-free upgrade

What's Included

• High-quality stainless steel exhaust tubing
• Dual split rear exit tips
• All necessary clamps and hardware
• Installation instructions

Ideal For

• Subaru WRX and STI owners seeking increased performance and a sportier sound
• Enthusiasts wanting a durable, American-made exhaust upgrade
• Drivers looking for a deep, aggressive exhaust note without excessive drone
• Performance-minded individuals aiming to support higher horsepower and torque