Features:
- Universal fit for custom exhaust projects
- 5" inlet and outlet, center/center design
- Free-flowing straight-through core design
- Perforated stainless steel core for durability
- Wrapped in stainless mesh and acoustic fiber
- Produces a smooth, deep exhaust tone
- Fully reversible for flexible installation
- 7" round body with satin finish
- 20" overall length, 14" body length
Made for Custom Exhausts
When you’re putting together a custom exhaust setup and want that signature deep MagnaFlow tone without sacrificing flow, the MagnaFlow 12776 Performance Muffler checks every box. With a large 5-inch inlet and outlet, this straight-through design is built for serious airflow, making it ideal for high-horsepower applications. Inside, a perforated stainless steel core is wrapped in stainless mesh and acoustic fiber to create a smooth, rich tone that sounds refined at idle and aggressive under load. It’s not just about sound, though—this muffler delivers real performance by minimizing backpressure while keeping things well-mannered on the street.
Flexible Fit and Built to Last
At 20 inches overall length with a 14-inch body and 7-inch round shape, this muffler offers solid dimensions that fit a wide range of custom builds. The fully reversible design makes installation easy in tight or unconventional setups, whether you’re running it under a lifted diesel or fabbing a full stainless system for a track car. Finished in a clean satin stainless steel, it resists corrosion and holds up well to heat and road grime. If you're building an exhaust that performs just as good as it sounds, the 12776 brings the tone, the flow, and the durability to make it all come together.
Fits: Universal
Specifications:
- In/Out Diameter: 5"/5"
- Configuration: Center/Center
- Body Length: 14"
- Overall Length: 20"
- Body Finish: Satin
- Body Shape: 7" x 7" Round
MagnaFlow 12776 5 inch Inlet/Outlet 20 inch Long 7 inch Round Performance Muffler | Universal
Magnaflow Exhaust Products
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MagnaFlow 12776 5 inch Inlet/Outlet 20 inch Long 7 inch Round Performance Muffler | Universal
- SKU:
- MFL12776
- UPC:

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