Enhance the sonic signature of your truck while also improving its performance with our Diesel Performance Exhaust Muffler. Available in two models: T409 Unpolished 4 inch Muffler and T409 Unpolished 5 inch Muffler, you have the power to choose the best fit for your ride.
Vehicle Fitment
Our mufflers are a universally designed to fit a wide array of diesel vehicles, ranging from Cummins to Duramax and Powerstroke. And When Paired with Black Bandit Exhaust Systems that come with pre-bent and pre-welded hangers, installation is a breeze—everything just fits right into place, making it a perfect upgrade for both classic diesel relics and shiny new trucks straight off the lot.
Product Options
| FEATURE | 4-Inch | 5-inch |
| Material |
T409 Unpolished Stainless Steel |
T409 Unpolished Stainless Steel |
| Inlet Size | 4-inch inner diameter | 5-inch inner diameter |
| Outlet Size | 4-inch inner diameter | 5-inch inner diameter |
| Overall Length | 20.25 Inches | 20.25 inches |
| Body Length | 14 inches | 14 inches |
| Body Size | 7-inch round | 8-inch round |
Product Features
Each of our mufflers boasts an array of features, all designed to deliver superior flow, rich throaty sound, and lifelong protection. Key features include:
- Straight-through flow path for maximum performance
- Non-directional design - install whichever way suits your setup
- Stainless steel construction for lifelong protection
- Internal stainless steel mesh & fiberglass construction to withstand harsh conditions and advanced technology to absorb unwanted interior resonance.
- Straight-through design to reduce back pressure and enhance performance
The Diesel Performance Exhaust Muffler is not just a component—it's an upgrade that transforms your drive. Experience the difference today!
To top off your exhaust system, consider our T-409 exhaust tips - the perfect finishing touch to the best sounding exhaust in the industry!