MagnaFlow Performance Muffler

2011–2025 Universal Fitment

Part #: 11264

Overview

The MagnaFlow 4x18x9-inch Oval Straight-Through Performance Muffler is designed to elevate your vehicle's exhaust system with a combination of aggressive sound and proven performance gains. Crafted for automotive enthusiasts who seek a deep, resonant exhaust note and improved flow, this muffler is suitable for a wide range of vehicles and applications. Whether you're upgrading for a more commanding sound or aiming to support increased horsepower and torque, this muffler delivers on both fronts.

Built with quality and durability in mind, the MagnaFlow muffler enhances your vehicle's exhaust flow while maintaining a sleek, professional appearance. Its universal design and flexible inlet/outlet configuration make it a versatile choice for custom exhaust builds, restorations, or performance upgrades. If you desire a balance of sound, style, and performance, this muffler is an excellent addition to your vehicle's exhaust system.

Key Features

The MagnaFlow 11264 features advanced construction and design elements that maximize performance and durability:

• Constructed with a stainless steel perforated core wrapped in stainless steel mesh and acoustic fiber fill, ensuring long-lasting performance and resistance to corrosion.
• Free-flowing straight-through design promotes optimal exhaust flow, helping to reduce backpressure and support increased horsepower and torque.
• Reversible, universal 2/2-inch inlet/outlet layout offers installation flexibility, allowing you to orient the muffler in the most suitable configuration for your vehicle.
• Signature MagnaFlow sound—deep, aggressive, and refined—provides an enhanced auditory experience without excessive drone or noise.
• Engineered for durability and consistent performance under demanding driving conditions, including spirited driving and daily use.
• Designed to fit a variety of vehicle makes and models, making it a versatile choice for custom exhaust setups.
• Manufactured with high-quality stainless steel to withstand the elements and ensure longevity.

Construction & Design

The MagnaFlow 11264 muffler is built with precision and attention to detail. Its stainless steel perforated core is engineered for maximum flow efficiency, reducing restrictions in the exhaust path. The core is wrapped in stainless steel mesh and acoustic fiber fill, which work together to dampen unwanted noise while amplifying the desirable exhaust tone. The oval shape not only provides a sleek aesthetic but also helps optimize space within the exhaust system.

The reversible inlet/outlet design allows for versatile installation options, accommodating various exhaust configurations. The use of high-grade stainless steel ensures resistance to rust and corrosion, making this muffler suitable for both street and off-road applications. Its durable construction guarantees consistent performance and sound quality over time, even under harsh conditions.

Installation & Fitment

This universal performance muffler is designed for straightforward installation. Its reversible 2/2-inch inlet/outlet configuration allows for flexible mounting options, making it suitable for custom exhaust systems. No cutting, drilling, or complex modifications are typically required, but professional installation is recommended to ensure optimal fitment and performance. The durable stainless steel construction ensures a long-lasting, reliable upgrade that can be integrated into most aftermarket exhaust setups.

• Reversible inlet/outlet design for versatile installation
• Compatible with a wide range of vehicles and custom exhaust configurations
• No cutting or welding required in most applications

What's Included

• MagnaFlow 4x18x9-inch Oval Performance Muffler
• All necessary clamps and hardware for installation
• Installation instructions (if applicable)

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to support increased horsepower and torque
• Custom exhaust builders and restorers
• Anyone wanting a durable, high-quality muffler with a signature MagnaFlow sound