


Universal Diesel 30" Stainless Steel Muffler (M12774 & M12772)
Description
Fits
| SKU | Inlet / Outlet Size | Configuration |
|---|---|---|
| M12774 | 4" ID | Center / Center |
| M12772 | 5" ID | Center / Center |
If your exhaust sounds more like a hairdryer than a heavy-duty diesel, it’s time for an upgrade. These Mel's Manufacturing mufflers live up to the name in performance, sound, and quality. Engineered to deliver a deep, authoritative tone without sacrificing the high-flow performance your turbo needs, these units are built for the long haul with heavy-gauge stainless steel and fully welded joints.
The straight-through perforated core design minimizes backpressure, allowing your engine to breathe easier and keeping EGTs in check. Whether you're finishing a custom exhaust build or replacing a restrictive factory unit, these mufflers offer a "no-nonsense" solution for a safe, controlled sound. Plus, the reversible design makes installation a breeze regardless of your pipe orientation.
Part Number: M12774 / M12772
Features
- Large-diameter mandrel-bent stainless steel core ensures maximum flow and reduced restriction.
- Densely packed with sound-absorbing material designed to resist matting, meltdown, and blowout even under high EGTs.
- A thick stainless steel mesh wrap protects the packing material and adds an extra layer of sound absorption.
- Built with heavy-gauge stainless steel and all welded seams for maximum toughness and durability.
- An increased number of smaller perforations eliminates blowout and maintains a deep-toned performance sound.
Includes
- (1) 8" Round Stainless Steel Diesel Muffler
Notes
- Design: Fully reversible for flexible installation.
- Dimensions: 8" Round Body, 24" Body Length, 30" Overall Length.
- Finish: Natural Stainless Steel.
Original: $46.08
-65%$46.08
$16.13Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Description
Fits
| SKU | Inlet / Outlet Size | Configuration |
|---|---|---|
| M12774 | 4" ID | Center / Center |
| M12772 | 5" ID | Center / Center |
If your exhaust sounds more like a hairdryer than a heavy-duty diesel, it’s time for an upgrade. These Mel's Manufacturing mufflers live up to the name in performance, sound, and quality. Engineered to deliver a deep, authoritative tone without sacrificing the high-flow performance your turbo needs, these units are built for the long haul with heavy-gauge stainless steel and fully welded joints.
The straight-through perforated core design minimizes backpressure, allowing your engine to breathe easier and keeping EGTs in check. Whether you're finishing a custom exhaust build or replacing a restrictive factory unit, these mufflers offer a "no-nonsense" solution for a safe, controlled sound. Plus, the reversible design makes installation a breeze regardless of your pipe orientation.
Part Number: M12774 / M12772
Features
- Large-diameter mandrel-bent stainless steel core ensures maximum flow and reduced restriction.
- Densely packed with sound-absorbing material designed to resist matting, meltdown, and blowout even under high EGTs.
- A thick stainless steel mesh wrap protects the packing material and adds an extra layer of sound absorption.
- Built with heavy-gauge stainless steel and all welded seams for maximum toughness and durability.
- An increased number of smaller perforations eliminates blowout and maintains a deep-toned performance sound.
Includes
- (1) 8" Round Stainless Steel Diesel Muffler
Notes
- Design: Fully reversible for flexible installation.
- Dimensions: 8" Round Body, 24" Body Length, 30" Overall Length.
- Finish: Natural Stainless Steel.



