MagnaFlow Performance Exhaust Muffler

2011–2025 Universal Fitment / Performance Exhaust System

Part #: 11134

Overview

The MagnaFlow 3.5x14x7in Oval 2in Offset/Offset Straight-Through Performance Exhaust Muffler is designed to elevate your vehicle's exhaust system with a combination of aggressive sound and proven performance gains. Crafted for enthusiasts seeking a deep, resonant exhaust note and enhanced flow, this muffler is suitable for a wide range of vehicles and applications. Its universal design makes it a versatile upgrade for those looking to improve their vehicle's sound and performance without extensive modifications.

Whether you're a daily driver aiming for a more aggressive tone or a performance enthusiast seeking better exhaust flow, this muffler delivers a balanced blend of sound, durability, and efficiency. Built with high-quality materials and engineered for optimal flow, it helps support increased horsepower and torque while providing a distinctive exhaust note that turns heads.

Key Features

This performance muffler features a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, ensuring durability and excellent sound quality. The reversible, universal 2/2in diameter inlet/outlet layout offers flexible installation options, allowing you to orient the muffler in the most suitable configuration for your vehicle. The oval shape and straight-through design optimize exhaust flow, reducing backpressure and enhancing overall engine performance.

• Constructed with durable stainless steel for corrosion resistance and long-lasting performance.
• Straight-through perforated core promotes maximum exhaust flow and a deep, aggressive exhaust tone.
• Reversible inlet/outlet design provides installation flexibility to fit various vehicle setups.
• Universal 2/2in inlet and outlet diameters simplify compatibility with many exhaust systems.
• Acoustic fiber fill enhances sound quality, delivering a signature MagnaFlow tone.
• Optimized for improved horsepower and torque support, especially in performance-oriented builds.
• Engineered to produce a refined yet aggressive exhaust note that enhances driving experience.

Construction & Design

The MagnaFlow 11134 muffler is built with a high-grade stainless steel shell and internal components, ensuring resistance to rust and corrosion even in harsh conditions. Its oval shape not only provides a sleek aesthetic but also maximizes internal volume for better sound and flow characteristics. The straight-through perforated core is carefully engineered to minimize backpressure, allowing exhaust gases to exit more freely and improving engine efficiency. The acoustic fiber fill dampens unwanted drone and enhances the quality of the exhaust tone, resulting in a balanced sound profile suitable for street and spirited driving.

Installation & Fitment

The MagnaFlow 11134 muffler features a universal design with a reversible inlet/outlet configuration, making it adaptable to many applications. Installation is straightforward for those familiar with exhaust systems; however, some cutting or welding may be required for optimal fitment on certain vehicles. No complex modifications or tuning are typically necessary, and the durable stainless steel construction ensures a long-lasting upgrade. Always verify compatibility with your specific vehicle before installation.

• Reversible, universal 2/2in inlet/outlet layout for flexible installation.
• Designed for bolt-on installation with standard exhaust clamps and hardware.
• No cutting, drilling, or tuning required in most cases.

What's Included

• MagnaFlow 3.5x14x7in Oval Straight-Through Performance Muffler
• Clamps and mounting hardware (if applicable)
• Installation instructions

Ideal For

• Performance enthusiasts seeking improved exhaust flow and sound
• Street drivers wanting a deep, aggressive exhaust tone
• Vehicle owners looking for a durable, corrosion-resistant muffler upgrade
• Anyone aiming to support increased horsepower and torque with a quality aftermarket component