MagnaFlow

2010–2025 Universal 4x9in. Oval Multi-Chamber Performance Exhaust Muffler 13256

Part #: 13256

Overview

The MagnaFlow XL 4x9in. Oval Multi-Chamber Performance Exhaust Muffler 13256 is engineered to enhance your vehicle's exhaust system with a combination of powerful sound and proven performance. Designed for automotive enthusiasts seeking a high-quality, versatile muffler, this product offers a balance of durability, sound, and efficiency. Whether you're upgrading for a more aggressive tone or improved exhaust flow, this muffler is an excellent choice for a wide range of vehicles.

Built with performance in mind, the MagnaFlow 13256 muffler features a straight-through, weight-optimized reversible design that delivers a deep, signature exhaust note while supporting increased airflow. Its universal fitment and flexible installation options make it suitable for various applications, from street performance to off-road adventures. If you're looking to upgrade your exhaust system with a durable, high-performance muffler that provides a distinctive sound and reliable operation, this MagnaFlow model is an ideal solution.

Key Features

This muffler incorporates several advanced features to ensure optimal performance and longevity:

• Constructed with a perforated stainless steel core featuring baffles and tuning gates, which help produce a powerful, refined exhaust tone.
• Oval-shaped, 4x9in. body with a total length of 18 inches, designed for a balanced blend of flow capacity and compact size.
• Universal 2.5-inch inlet and outlet diameters, allowing for flexible installation across a variety of vehicle makes and models.
• Weight-optimized design reduces overall exhaust system weight, contributing to improved vehicle responsiveness.
• Reversible configuration provides installation versatility, enabling you to customize the exhaust flow direction for optimal fitment.
• Durable stainless steel construction ensures resistance to corrosion and high-temperature conditions, extending the lifespan of the muffler.
• Signature MagnaFlow sound—deep, aggressive, yet refined—perfect for enthusiasts who want a noticeable but not overwhelming exhaust note.
• Dyno-proven performance gains support increased horsepower and torque, enhancing your vehicle's overall driving experience.

Construction & Design

The MagnaFlow 13256 muffler features a high-quality stainless steel construction, ensuring durability and resistance to rust and corrosion even in harsh driving conditions. Its oval-shaped body is designed for optimal fitment and aesthetic appeal, while the internal multi-chamber design helps tune the exhaust flow for a balanced sound and performance profile. The straight-through, perforated core with baffles and tuning gates allows for efficient exhaust gas flow, reducing backpressure and supporting engine performance.

The reversible design adds installation flexibility, making it easier to adapt to different vehicle configurations. The lightweight construction not only improves overall vehicle responsiveness but also reduces stress on exhaust hangers and mounts. Overall, the design choices in this muffler aim to deliver a long-lasting, high-performance component that enhances both sound and flow characteristics.

Installation & Fitment

This universal muffler is designed for straightforward bolt-on installation. Its 2.5-inch inlet and outlet diameters allow it to fit a wide range of vehicles with compatible exhaust piping. The reversible design provides additional flexibility during installation, enabling you to orient the muffler for optimal fitment. No cutting, drilling, or complex modifications are typically required, making it a suitable upgrade for DIY enthusiasts and professional installers alike.

• Reversible, straight-through design for flexible installation
• Compatible with various vehicle makes and models with 2.5-inch exhaust piping
• No cutting or welding required in most applications

What's Included

• Complete performance exhaust muffler with oval-shaped body
• All necessary clamps and hardware for installation
• Instruction manual for proper fitting and orientation

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust sound
• Drivers looking to improve exhaust flow and support increased horsepower and torque
• Off-road and street applications requiring durable, corrosion-resistant components
• Anyone upgrading their exhaust system for better sound and performance