MagnaFlow Performance Exhaust Muffler

2011–2025 Subaru Forester / Subaru Impreza 2.5L

Part #: 14260

Overview

The MagnaFlow 5x8in. Oval Straight-Through Performance Exhaust Muffler 14260 is designed to elevate your vehicle’s exhaust system with signature sound and proven performance. Crafted for enthusiasts who seek a combination of aggressive tone, enhanced airflow, and reliable durability, this muffler is an ideal upgrade for daily drivers, spirited enthusiasts, and those looking to improve their vehicle’s overall exhaust efficiency.

Built with a focus on performance and aesthetics, the 14260 muffler features a sleek, brushed stainless steel finish that complements modern engine bays while providing excellent corrosion resistance. Its oval shape and straight-through perforated core design ensure a free-flowing exhaust path, helping to support increased horsepower and torque while delivering that unmistakable MagnaFlow sound.

Key Features

Designed to optimize exhaust flow and sound quality, the MagnaFlow 14260 muffler offers several key features:

• Constructed with a perforated stainless steel core wrapped in acoustic fiber fill, providing a deep, resonant exhaust tone that enhances your vehicle’s sound profile.
• Features a weight-optimized, reversible 2.5/2.5-inch inlet and outlet layout, allowing flexible installation options and compatibility with a variety of exhaust setups.
• The oval-shaped body measures 5x8 inches, combining a bold aesthetic with efficient exhaust flow characteristics.
• Premium brushed stainless steel finish not only adds a refined look but also ensures long-lasting corrosion resistance in harsh driving conditions.
• Engineered for a direct bolt-on installation, requiring no cutting or welding, making it suitable for DIY enthusiasts and professional installers alike.
• Designed to improve exhaust flow compared to stock mufflers, supporting increased engine performance and a more aggressive exhaust note.
• Dyno-proven to enhance vehicle performance, providing a noticeable improvement in sound and power delivery.
• Ideal for street use, offering a balance of performance, sound, and durability for daily driving and spirited outings.

Construction & Design

The MagnaFlow 14260 muffler is built with high-quality stainless steel materials, ensuring durability and resistance to rust and corrosion. Its straight-through perforated core design allows exhaust gases to pass freely, reducing backpressure and promoting better engine breathing. The oval-shaped body is crafted with precision to provide a sleek, modern appearance that complements a wide range of vehicle styles. The muffler’s internal acoustic fiber fill helps absorb unwanted noise, resulting in a deep, smooth exhaust tone that enhances your vehicle’s character without excessive drone or harshness.

Installation & Fitment

The MagnaFlow 14260 muffler is designed for straightforward installation as a bolt-on upgrade. It mounts directly to existing exhaust pipes with its reversible 2.5-inch inlet and outlet, requiring no cutting, welding, or complex modifications. The muffler’s universal oval shape and dimensions make it compatible with a variety of Subaru models equipped with a 2.5L engine. No tuning is necessary, and the installation process can typically be completed with basic hand tools.

• Replaces or upgrades existing factory mufflers for improved sound and performance.
• Compatible with Subaru Forester, Impreza, and other models with a 2.5L engine from 2011 to 2025.

What's Included

• MagnaFlow 5x8in. Oval Straight-Through Performance Exhaust Muffler 14260
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Street performance enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to improve exhaust flow and support increased engine performance
• Anyone upgrading their vehicle’s exhaust system for enhanced aesthetics and sound