7in. Round Straight-Through Performance Exhaust Muffler

Features:

• Straight-through performance muffler design
• Delivers deep MagnaFlow exhaust tone
• Dyno-proven airflow improvement
• 100% stainless steel construction
• Corrosion resistant stainless steel body
• Perforated stainless steel core
• Two-stage acoustic packing design
• Universal reversible inlet outlet configuration
• Bi-directional muffler installation design
• Premium satin finish appearance
• Made in the USA
• Backed by limited lifetime warranty

Let Your Exhaust Finally Sound The Way It Should

Some mufflers quiet things down so much that your vehicle loses all personality, but the MagnaFlow 12773 brings that deep performance sound back without sounding harsh or overdone. Built with MagnaFlow’s signature straight-through design, this muffler helps your exhaust flow more freely while delivering the rich tone enthusiasts have trusted for years. The deep resonating sound gives your truck, SUV, or muscle car a more aggressive character every time you hit the throttle, yet it still maintains a smooth refined note during normal driving. Additionally, the universal reversible design gives fabricators and installers more flexibility when fitting custom exhaust systems where space can sometimes be tight. The satin stainless steel finish also gives the muffler a clean high-quality appearance that looks right at home on a professionally built setup. MagnaFlow engineered this muffler for drivers who want performance gains and a better exhaust note without sacrificing durability or everyday drivability. Once installed, it adds the kind of sound that makes every startup and acceleration feel far more rewarding.

Engineered For Flow Sound And Long Term Durability

The MagnaFlow 12773 features a 7-inch round body design with a straight-through perforated stainless steel core that is specifically engineered to improve exhaust flow dynamics and evacuation efficiency. By reducing restriction compared to chambered muffler designs, this architecture helps support improved engine performance while maintaining exhaust velocity throughout the system. Internally, the perforated core is wrapped with stainless steel mesh and two-stage acoustic fiber packing to create MagnaFlow’s well-known deep and smooth exhaust tone. What's more, the entire muffler is constructed from corrosion resistant stainless steel to withstand moisture, road debris, and long-term heat exposure. The reversible 4-inch inlet and outlet configuration allows more flexibility during custom exhaust fabrication, making it easier to adapt the muffler to different layouts and vehicle applications. MagnaFlow also manufactures this muffler using CNC robotic precision welding techniques to ensure consistent quality and durability. Proudly made in the USA and backed by a limited lifetime construction warranty, this muffler is designed to deliver reliable performance and sound for years to come.

Fitment: Universal

Notes:

• Universal fitment requires custom installation
• Professional installation is highly recommended
• Cutting and welding may be required
• Confirm 4-inch inlet outlet sizing
• Check available 7x7x30-inch space
• Bi-directional design allows flexible placement
• Designed for custom exhaust applications
• Made from 100% stainless steel
• Produces a deep MagnaFlow exhaust tone
• Backed by limited lifetime warranty