MagnaFlow Exhaust Muffler

2010–2025 Universal 2.5-inch Diameter Vehicles

Part #: 12246

Overview

The MagnaFlow 5x18x8-inch Oval Straight-Through Performance Exhaust Muffler 12246 is designed to elevate your vehicle’s exhaust system with a combination of signature sound and proven performance. Crafted for enthusiasts seeking a deep, aggressive 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 boost your vehicle's sound and performance for spirited driving, this muffler delivers reliable, dyno-proven results.

Built with quality and durability in mind, the MagnaFlow muffler helps support increased horsepower and torque by optimizing exhaust flow. Its free-flowing design reduces backpressure, allowing your engine to breathe more freely and operate more efficiently. The result is a more responsive throttle, a richer exhaust tone, and potential gains in overall performance. Perfect for those who want a balanced blend of sound, style, and function, this muffler is an excellent choice for performance-minded drivers.

Key Features

The MagnaFlow 12246 features several innovative design elements that set it apart from standard mufflers:

• Constructed with a stainless steel perforated core wrapped in stainless steel mesh and acoustic fiber fill, ensuring durability and a consistent, high-quality sound.
• Oval shape measuring 5 inches by 18 inches provides a sleek, aggressive look while maintaining optimal flow characteristics.
• Reversible, universal inlet and outlet design with 2.5-inch diameter allows flexible installation options in various vehicle configurations.
• Engineered for a deep, signature exhaust tone that enhances your vehicle's character without excessive drone or noise.
• Made from high-grade stainless steel to resist corrosion and withstand harsh driving conditions, ensuring long-lasting performance.
• Designed for easy bolt-on installation, compatible with a wide range of vehicles with 2.5-inch exhaust systems.
• Dyno-proven to improve exhaust flow, supporting increased horsepower and torque for spirited driving and performance upgrades.

Construction & Design

The MagnaFlow 12246 muffler is built with precision and quality materials to ensure longevity and optimal performance. Its stainless steel perforated core is wrapped in stainless steel mesh and acoustic fiber fill, which helps produce a rich, deep exhaust tone while dampening unwanted drone. The oval shape not only provides a distinctive aesthetic but also facilitates smooth exhaust flow, reducing turbulence and backpressure. The reversible inlet/outlet configuration offers installation flexibility, making it suitable for various custom and factory exhaust setups. Overall, the design emphasizes durability, performance, and a refined sound profile.

Installation & Fitment

The MagnaFlow 12246 muffler is designed for straightforward bolt-on installation. Its universal 2.5-inch inlet and outlet diameters allow compatibility with many aftermarket and factory exhaust systems. No cutting, welding, or complex modifications are typically required, making it accessible for DIY enthusiasts and professional installers alike. The durable construction ensures a secure fit and long-lasting performance, even under demanding driving conditions.

• Easy bolt-on installation with standard 2.5-inch inlet/outlet connections
• No cutting, drilling, or tuning required in most applications
• Compatible with a wide range of vehicles with 2.5-inch exhaust systems

What's Included

• MagnaFlow 5x18x8-inch Oval Performance Exhaust Muffler
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Performance enthusiasts seeking a deep, aggressive exhaust tone
• Drivers looking to improve exhaust flow and support increased horsepower and torque
• Anyone upgrading their vehicle's exhaust system for enhanced sound and style