MagnaFlow Exhaust Muffler

2011–2025 Subaru Forester / Subaru Outback 2.5L

Part #: 14150

Overview

The MagnaFlow 5" x 8" Oval Straight-Through Performance Exhaust Muffler (14150) is designed to enhance your vehicle's exhaust sound and performance. Crafted with precision and attention to detail, this muffler is ideal for enthusiasts seeking a deep, aggressive exhaust note combined with improved flow characteristics. Whether you're looking to upgrade your daily driver or boost your vehicle's sound and efficiency for spirited driving, this muffler offers a perfect balance of style, durability, and performance.

Built to support your vehicle's performance goals, the MagnaFlow 14150 muffler helps optimize exhaust flow, which can contribute to increased horsepower and torque. Its signature sound delivers a refined yet bold exhaust tone that elevates your driving experience without excessive drone or noise. Designed for easy installation, this muffler is a direct bolt-on replacement that fits seamlessly into your existing exhaust system, making it an excellent choice for both casual enthusiasts and performance-minded drivers.

Key Features

The MagnaFlow 14150 features advanced construction and design elements that set it apart from standard mufflers. Here are some of its key features:

• Constructed with a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, providing a durable and corrosion-resistant interior that enhances sound quality and longevity.
• Reversible 3.5-inch inlet and outlet diameters allow flexible installation options, accommodating various exhaust configurations.
• Oval-shaped body measuring 5 inches by 8 inches with a 6-inch length, offering a sleek, modern aesthetic that complements any vehicle's appearance.
• Premium brushed finish adds an elevated look, matching the high-performance nature of the muffler while resisting corrosion and tarnishing.
• Designed for free-flowing straight-through performance, reducing backpressure and supporting increased engine efficiency.
• Dyno-proven to improve exhaust flow and sound, delivering a more aggressive tone without sacrificing reliability.
• Weight-optimized design ensures minimal added weight, maintaining your vehicle’s handling and performance characteristics.

Construction & Design

The MagnaFlow 14150 muffler is engineered with high-quality materials and manufacturing techniques to ensure durability and optimal performance. Its stainless steel perforated core is designed to withstand the rigors of daily driving and spirited use, resisting corrosion and heat damage. The acoustic fiber fill dampens unwanted noise while enhancing the deep, resonant exhaust tone that MagnaFlow is known for. The oval body shape not only provides a distinctive aesthetic but also allows for efficient airflow and sound tuning. The brushed finish adds a premium look, making this muffler a stylish upgrade for any vehicle.

Installation & Fitment

The MagnaFlow 14150 muffler is designed for straightforward installation as a direct bolt-on replacement for compatible exhaust systems. Its reversible inlet and outlet diameters provide flexibility during installation, ensuring a proper fit for various configurations. No cutting, welding, or complex modifications are typically required, making it suitable for DIY enthusiasts and professional installers alike. Basic hand tools and some mechanical knowledge are sufficient to complete the upgrade, and detailed instructions are usually included to facilitate a smooth process.

• Easy bolt-on installation with no cutting or welding required
• Reversible inlet/outlet for flexible fitment
• Compatible with 2.5L Subaru models from 2011 to 2025

What's Included

• MagnaFlow 5" x 8" Oval Straight-Through Performance Muffler (14150)
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust tone
• Owners looking to improve exhaust flow and engine efficiency
• Drivers wanting a durable, corrosion-resistant muffler with a premium appearance
• Anyone upgrading their vehicle for enhanced sound and style