MagnaFlow Exhaust Muffler

2011–2025 Universal Fitment

Part #: 11214

Overview

The MagnaFlow 4x14x9-inch Oval Performance Exhaust Muffler (11214) is designed to elevate your vehicle's exhaust system with a combination of aggressive sound and proven performance gains. Built for automotive enthusiasts seeking a deep, signature exhaust note and improved flow, this muffler is a versatile upgrade suitable for a wide range of vehicles. Whether you're looking to enhance your daily driver or add a sporty tone to your build, this muffler delivers a balanced blend of sound, durability, and performance.

Constructed with high-quality stainless steel, the MagnaFlow 11214 muffler is engineered to withstand the rigors of daily driving and spirited performance. Its straight-through perforated core design ensures minimal backpressure, helping your engine breathe more freely and supporting increased horsepower and torque. The result is a more responsive throttle, a richer exhaust tone, and a noticeable improvement in overall driving experience.

Key Features

The MagnaFlow 11214 features several technical and design elements that make it a top choice for performance-minded drivers:

• Constructed from durable stainless steel, providing excellent corrosion resistance and longevity in harsh conditions.
• Oval shape with dimensions of 4 inches by 14 inches and a 9-inch length, optimized for performance and fitment versatility.
• Reversible, universal inlet and outlet design with 2-inch diameter connections, allowing flexible installation in various configurations.
• Straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, engineered for optimal sound and flow characteristics.
• Delivers a deep, aggressive exhaust tone that enhances your vehicle's sound profile without excessive drone or noise.
• Dyno-proven to improve exhaust flow, supporting increased horsepower and torque compared to stock mufflers.
• Easy to install with minimal modifications required, making it suitable for DIY enthusiasts and professional installers alike.
• Compatible with a broad range of vehicles, thanks to its universal design and reversible inlet/outlet layout.

Construction & Design

The MagnaFlow 11214 muffler is built with precision craftsmanship, featuring a one-piece, mandrel-bent stainless steel housing that ensures durability and a perfect fit. The straight-through perforated core design minimizes turbulence and backpressure, maximizing exhaust flow and performance. Acoustic fiber fill inside the core helps produce a deep, resonant exhaust note while dampening unwanted drone and harshness. Its reversible inlet/outlet configuration provides installation flexibility, allowing you to orient the muffler in the most suitable manner for your vehicle's exhaust layout.

Installation & Fitment

The MagnaFlow 11214 muffler is designed for straightforward installation. Its universal, reversible inlet and outlet connections allow for flexible mounting options. No cutting, drilling, or complex modifications are generally required, making it a suitable upgrade for DIYers and professional installers. The durable stainless steel construction ensures long-lasting performance and resistance to rust and corrosion, even in challenging environments.

• Reversible, universal 2-inch inlet/outlet design for versatile installation.
• Requires standard hand tools for mounting; no special equipment needed.
• Compatible with a wide range of vehicles, but always verify fitment for your specific application.

What's Included

• MagnaFlow 4x14x9-inch Oval Performance Exhaust Muffler (11214)
• Clamps and mounting hardware (if applicable)
• Installation instructions

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to improve exhaust flow and support increased horsepower
• DIYers and professional installers wanting a durable, universal muffler upgrade
• Anyone wanting a high-quality stainless steel muffler with proven performance benefits