Magnaflow Exhaust Muffler

2010–2025 Universal Fitment / Multi-Chamber Performance Muffler

Part #: 13278

Overview

The MagnaFlow 4x9-inch Oval Multi-Chamber Performance Exhaust Muffler is designed for automotive enthusiasts seeking to enhance their vehicle's exhaust sound and performance. Crafted with precision and durability in mind, this muffler offers a balanced combination of aggressive tone and refined resonance, making it suitable for a wide range of vehicles and driving styles. Whether you're looking to improve exhaust flow, support increased horsepower, or simply upgrade your vehicle's sound profile, this muffler provides a reliable and high-quality solution.

Built for street performance and daily driving, the MagnaFlow 13278 muffler helps optimize exhaust flow while reducing unwanted resonance. Its multi-chamber design ensures a smooth, deep exhaust note that enhances your vehicle's character without excessive drone. Made from durable stainless steel and manufactured with CNC precision robotic techniques, this muffler guarantees longevity and consistent quality over time. Backed by MagnaFlow’s limited lifetime warranty, it offers peace of mind for those who demand both performance and durability.

Key Features

This MagnaFlow muffler incorporates several advanced features to deliver superior performance and sound quality:

• Constructed from high-grade stainless steel for corrosion resistance and long-lasting durability.
• Reversible reflection-style design that allows for flexible installation and tuning options.
• Multi-chamber internal configuration that helps reduce unwanted resonance and improve exhaust flow.
• Perforated tubing combined with baffles to optimize sound and performance characteristics.
• Engineered using CNC precision robotic manufacturing techniques for consistent quality and fitment.
• Designed to produce a deep, aggressive exhaust tone that enhances vehicle sound without excessive drone.
• Supports improved exhaust flow compared to factory mufflers, aiding in horsepower and torque support.
• Backed by MagnaFlow’s limited lifetime warranty, ensuring reliability and customer satisfaction.

Construction & Design

The MagnaFlow 13278 muffler features a robust stainless steel construction that resists corrosion and withstands the rigors of daily driving and spirited performance. Its oval shape measures 4 inches by 9 inches, providing a sleek and unobtrusive appearance that complements a variety of vehicle styles. The internal multi-chamber design utilizes perforated tubing and strategically placed baffles to create a balanced sound profile and maximize exhaust flow. The CNC robotic manufacturing process ensures precise assembly and consistent quality, resulting in a product that fits perfectly and performs reliably over time.

Installation & Fitment

The MagnaFlow 13278 muffler is designed for straightforward bolt-on installation on a wide range of vehicles. Its universal fitment allows for flexible mounting options, and it can be adapted to various exhaust systems with standard 3-inch or 2.25-inch inlet/outlet connections. No cutting, drilling, or complex modifications are typically required, making it suitable for DIY enthusiasts and professional installers alike. Proper installation may involve replacing or upgrading existing exhaust components to achieve optimal performance and sound.

• Simple bolt-on installation with existing exhaust system components.
• No cutting, drilling, or tuning required in most applications.
• Compatible with standard 3-inch or 2.25-inch exhaust piping.

What's Included

• MagnaFlow 4x9-inch Oval Multi-Chamber Performance Exhaust Muffler
• Clamps and mounting hardware
• Installation instructions

Ideal For

• Car enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to improve exhaust flow and support increased engine performance
• Street and performance-oriented vehicles
• Anyone wanting a durable, long-lasting muffler backed by a trusted brand