MagnaFlow Performance Exhaust Muffler

2011–2025 Subaru Forester / Subaru Impreza / Subaru Crosstrek 2.0L, 2.5L

Part #: 14325

Overview

The MagnaFlow 4x9in Oval Straight-Through Performance Exhaust Muffler 14325 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 power, sound, and aesthetic appeal, this muffler enhances your ride’s exhaust flow while delivering a refined, aggressive tone. Whether you're looking to improve your daily driver’s sound profile or support increased horsepower and torque, this muffler offers a direct bolt-on upgrade that complements a variety of Subaru models from 2011 to 2025.

Built with quality and durability in mind, the MagnaFlow 14325 muffler is ideal for drivers who want a noticeable upgrade in exhaust sound and performance without sacrificing reliability. Its sleek design and premium finish make it a stylish addition to your vehicle’s undercarriage, while its performance features help support spirited driving and improved exhaust flow.

Key Features

The MagnaFlow 14325 muffler incorporates advanced materials and engineering to optimize your vehicle’s exhaust system. Key features include:

• Constructed with a perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, providing a durable and corrosion-resistant internal structure.
• Reversible 2.25/2.25-inch inlet/outlet layout allows for flexible installation options to suit your vehicle’s configuration.
• Oval-shaped body measuring 4x9 inches with a brushed finish, offering an attractive, high-quality aesthetic that enhances the undercarriage appearance.
• Free-flowing straight-through design minimizes backpressure, helping to improve exhaust flow and support increased horsepower and torque.
• Signature MagnaFlow sound—deep, aggressive, yet refined—perfect for enthusiasts who want their vehicle to stand out.
• Lightweight construction reduces overall vehicle weight, contributing to better handling and efficiency.
• Engineered for easy bolt-on installation with OEM mounting points, requiring no cutting or welding.
• Backed by MagnaFlow’s reputation for quality and performance, ensuring long-lasting durability and consistent sound.

Construction & Design

The MagnaFlow 14325 muffler features a robust stainless steel construction, ensuring resistance to rust and corrosion even in harsh driving conditions. Its one-piece, mandrel-bent design guarantees smooth exhaust flow, reducing turbulence and backpressure. The oval-shaped body not only provides a distinctive look but also helps optimize sound characteristics, delivering a deep, resonant tone that enhances your vehicle’s personality. The use of acoustic fiber fill further refines the exhaust note, dampening unwanted drone while amplifying the signature MagnaFlow sound.

Installation & Fitment

The MagnaFlow 14325 muffler is a direct bolt-on replacement for your vehicle’s existing exhaust system. Its OEM-style mounting points and reversible inlet/outlet design make installation straightforward, often requiring only basic hand tools. No cutting, drilling, or welding is necessary, and the process can typically be completed in under an hour. For optimal results, professional installation is recommended to ensure proper fitment and sealing.

• Easy bolt-on installation with OEM mounting hardware
• No cutting or welding required
• Compatible with factory exhaust systems on select Subaru models

What's Included

• MagnaFlow 4x9in Oval Performance Exhaust Muffler (14325)
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Subaru owners seeking a performance upgrade with a signature sound
• Enthusiasts wanting to improve exhaust flow and support increased power
• Drivers looking for a durable, stylish muffler with a high-quality finish
• Anyone aiming to enhance their vehicle’s aesthetic and auditory presence