MagnaFlow Performance Exhaust Muffler

Universal 4x9in Oval Multi-Chamber Performance Exhaust Muffler 3in Offset/Offset

Part #: 13239

Overview

The MagnaFlow XL 4x9-inch Oval Multi-Chamber Performance Exhaust Muffler 13239 is designed to enhance your vehicle's exhaust system with a combination of powerful sound and proven performance. Crafted for enthusiasts seeking a deep, aggressive exhaust note and improved flow, this muffler is suitable for a wide range of vehicles requiring a versatile, high-quality upgrade. Its innovative design helps support increased horsepower and torque, making it an excellent choice for those looking to boost their vehicle's performance while maintaining a refined appearance.

Whether you're customizing your daily driver, upgrading for spirited driving, or enhancing your vehicle's sound profile, the MagnaFlow 13239 offers a reliable and durable solution. Its weight-optimized, reversible construction ensures ease of installation and flexibility, allowing you to tailor your exhaust setup to your preferences. With its signature MagnaFlow tone and dyno-proven results, this muffler delivers both performance and an unmistakable exhaust note that turns heads.

Key Features

Designed with performance and durability in mind, the MagnaFlow 13239 features several key technological advantages:

• Straight-through, multi-chamber design with perforated stainless steel core helps maximize exhaust flow while reducing backpressure, supporting increased power output.
• Multi-chamber construction with baffles and tuning gates provides a deep, aggressive exhaust tone that enhances your vehicle's sound profile without excessive drone.
• Oval-shaped, 4x9-inch body with a 14-inch length offers a sleek, performance-oriented look that fits a variety of applications.
• Universal 3-inch diameter inlet and outlet layout provides flexible installation options, accommodating many vehicle configurations.
• Weight-optimized design ensures minimal added mass, contributing to better overall vehicle responsiveness.
• Reversible design allows for versatile installation, making it easier to adapt to different exhaust setups and preferences.
• Constructed from durable stainless steel, ensuring long-lasting performance and resistance to corrosion and heat.
• Dyno-tested to deliver proven improvements in exhaust flow, horsepower, and torque, making it a trusted choice among performance enthusiasts.

Construction & Design

The MagnaFlow 13239 muffler is built with high-quality stainless steel components, ensuring durability and longevity even under demanding conditions. Its multi-chamber configuration features a perforated core that promotes efficient sound tuning and exhaust flow. The oval-shaped body not only provides a sleek aesthetic but also helps optimize internal acoustics for a deep, resonant exhaust note. The weight-optimized design reduces unnecessary mass, contributing to improved vehicle handling and responsiveness. Its reversible mounting capability offers installation flexibility, allowing you to position the muffler for optimal performance and sound characteristics.

Installation & Fitment

The MagnaFlow 13239 is designed for straightforward bolt-on installation. Its universal 3-inch inlet and outlet diameter allow compatibility with many exhaust systems, and the oval shape provides flexible fitment options. No cutting, drilling, or complex modifications are typically required, making it suitable for DIY enthusiasts and professional installers alike. The reversible design simplifies positioning, ensuring you can achieve the desired sound and performance characteristics with minimal hassle. Always verify fitment with your specific vehicle before installation.

• Easy bolt-on installation with existing exhaust systems
• No cutting, drilling, or tuning required in most cases
• Compatible with a wide range of vehicles needing a 3-inch inlet/outlet setup

What's Included

• MagnaFlow XL 4x9-inch Oval Multi-Chamber Performance Muffler
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to support increased horsepower and torque
• Custom exhaust builders requiring a versatile, durable muffler
• Anyone wanting a reliable upgrade with proven dyno results and signature MagnaFlow sound