Magnaflow Exhaust Muffler

2011–2025 Subaru Forester / Subaru Outback 2.5L

Part #: 14149

Overview

The MagnaFlow 5x8in Oval 3in Center/Center Straight-Through Performance Exhaust Muffler 14149 is designed to elevate your vehicle’s exhaust system with a combination of signature sound and proven performance. Crafted for enthusiasts seeking a balance of enhanced sound, improved exhaust flow, and a sleek aesthetic, this muffler is an ideal upgrade for daily drivers and spirited enthusiasts alike. Its straight-through design ensures minimal backpressure, supporting increased horsepower and torque while delivering that distinctive MagnaFlow tone.

Built with quality and durability in mind, this muffler is suitable for Subaru models from 2011 to 2025, including popular models like the Forester and Outback equipped with a 2.5L engine. Whether you're looking to improve your vehicle’s sound profile or support a performance-oriented build, this muffler provides a straightforward, bolt-on upgrade that enhances both style and function.

Key Features

Designed to deliver a combination of performance, durability, and aesthetic appeal, the MagnaFlow 14149 muffler features several key technological and design elements:

• Constructed with a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, this muffler effectively dampens unwanted noise while amplifying your vehicle’s exhaust tone.
• The 5x8 inch oval-shaped body offers a sleek, modern look that complements a variety of vehicle styles and enhances the overall exhaust system appearance.
• The weight-optimized, reversible 3/3 inch inlet/outlet layout provides flexibility for installation and compatibility with various exhaust configurations.
• Premium brushed finish not only adds an elevated aesthetic but also provides corrosion resistance, ensuring longevity in diverse driving conditions.
• The straight-through perforated core design promotes free-flowing exhaust gases, reducing backpressure and supporting performance gains without sacrificing sound quality.
• Engineered for a deep, aggressive exhaust note that enhances your vehicle’s character without being overly intrusive, making it suitable for daily driving and spirited runs.
• Manufactured by MagnaFlow, a trusted name in performance exhaust systems, ensuring quality and consistent performance.

Construction & Design

This muffler features a robust construction utilizing high-quality stainless steel materials, ensuring durability and resistance to corrosion. The oval-shaped body is precision-crafted to provide a balanced blend of form and function, with a focus on optimal airflow and sound tuning. The straight-through perforated core design is engineered for minimal restriction, helping your vehicle breathe easier and produce a more refined, aggressive exhaust tone. The brushed finish not only enhances visual appeal but also offers additional protection against the elements, making this muffler suitable for both street and off-road use.

Installation & Fitment

This performance muffler is a bolt-on replacement that directly fits compatible Subaru models from 2011 to 2025 with a 2.5L engine. Its reversible inlet/outlet configuration simplifies installation, and no cutting or welding is typically required. Basic hand tools and standard exhaust clamps are sufficient for a secure, professional-quality installation. As always, verify fitment with your specific vehicle before proceeding.

• Easy bolt-on installation with no cutting, drilling, or tuning required in most cases.
• Designed to fit OEM mounting points and connect seamlessly with existing exhaust components.

What's Included

• MagnaFlow 5x8 inch Oval Performance Exhaust Muffler (14149)
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Subaru owners seeking a performance exhaust upgrade
• Enthusiasts wanting a deeper, more aggressive exhaust tone
• Drivers looking to improve exhaust flow and support increased engine performance
• Anyone desiring a durable, corrosion-resistant muffler with a sleek aesthetic