MagnaFlow Exhaust Muffler

2010–2023 Universal Fitment for Cars and Trucks with 2.5-inch Exhaust Systems

Part #: 11379

Overview

The MagnaFlow 4x11x9-inch Oval Straight-Through Performance Exhaust Muffler 11379 is designed to elevate your vehicle's exhaust system with a combination of aggressive sound and proven performance. Crafted for automotive enthusiasts seeking a deep, resonant exhaust note and enhanced flow, this muffler is suitable for a wide range of cars and trucks with 2.5-inch exhaust outlets. Whether you're upgrading for better sound, improved horsepower, or a more aggressive look under the vehicle, this muffler delivers on all fronts.

Engineered with a focus on durability and performance, the MagnaFlow muffler features a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill. This construction ensures optimal exhaust flow, helping to support increased horsepower and torque while maintaining a refined, signature MagnaFlow sound. Its universal design and reversible inlet/outlet configuration provide flexible installation options, making it a versatile choice for custom exhaust builds or replacement applications.

Key Features

The MagnaFlow 11379 muffler incorporates several advanced features that set it apart from standard aftermarket options:

• Constructed with a durable stainless steel core and shell, ensuring long-lasting resistance to rust and corrosion even in harsh driving conditions.
• Straight-through perforated design promotes maximum exhaust flow, reducing backpressure and supporting performance gains.
• Acoustic fiber fill and stainless steel mesh work together to produce a deep, aggressive exhaust tone that enhances your vehicle's sound profile without excessive drone.
• Reversible inlet/outlet configuration allows for flexible installation, accommodating various exhaust layouts and orientations.
• Universal 2.5-inch inlet and outlet diameters make it compatible with a wide range of vehicles, simplifying the upgrade process.
• Designed for enthusiasts who want a balance of performance, durability, and a signature sound that turns heads.

Construction & Design

The MagnaFlow 11379 muffler features a precision-crafted stainless steel construction, ensuring strength and longevity. Its oval shape not only provides a sleek aesthetic but also optimizes internal volume for improved sound and flow characteristics. The straight-through perforated core is wrapped in acoustic fiber fill, which dampens unwanted noise while amplifying the deep, throaty exhaust tone that MagnaFlow is known for. The stainless steel mesh further enhances durability and sound quality, making this muffler suitable for daily driving or spirited performance applications.

Installation & Fitment

The MagnaFlow 11379 muffler is designed for straightforward bolt-on installation. Its universal 2.5-inch inlet and outlet diameters fit most aftermarket and OEM exhaust systems with minimal modifications. The reversible inlet/outlet configuration offers added flexibility, allowing you to orient the muffler in the most suitable direction for your vehicle's exhaust layout. No cutting, welding, or complex modifications are typically required, making it an ideal upgrade for DIY enthusiasts and professional installers alike.

• Replaces or upgrades existing mufflers on compatible vehicles with 2.5-inch exhaust outlets.
• Designed for easy installation with standard tools; no special equipment needed.
• Suitable for use in street performance applications, providing a balance of sound, style, and performance.

What's Included

• MagnaFlow 4x11x9-inch Oval Performance Exhaust Muffler 11379
• Clamps and mounting hardware (if applicable)
• Installation instructions

Ideal For

• Car enthusiasts seeking a deep, aggressive exhaust tone
• Performance-minded drivers looking to support increased horsepower and torque
• Owners upgrading or replacing their factory muffler for improved durability and sound
• DIY installers and professional mechanics requiring a versatile, universal muffler solution