Universal 5" Optimal Flow Muffler
Universal 5" Optimal Flow Muffler
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Installation Guide
| Feature | 5 Inch | |
| Material |
T409 Polished Stainless Steel |
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| Overall Length |
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Vehicle Fitment
Our mufflers fit all Powerstroke, Cummins and Duramax models available on our website. This will fit any 5" aftermarket straight pipe exhaust system.
Installation
You will have to measure and cut your current exhaust for this to fit. We recommend welding the muffler in place. However, you can also clamp them on. Clamps are NOT included.
Product Features
- Straight-through flow path for maximum performance
- Non-directional design, allowing you to install the muffler in however way suites your truck and exhaust system best.
- Stainless steel construction for lifelong protection (polished)
- 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
* Note: Alaska, Hawaii and some Canadian locations will be subject to additional freight charges
Customer Reviews
I wish I had gotten the optimal flow muffler with my initial order. After driving the truck a couple of weeks the drone in the cab was excruciating. After installing the optimal flow muffler, no more drone noise. Exhaust still sounds deep and throaty and without power loss. I highly recommend getting this muffler.
Optimal Flow 5” muffler showed to the house in a timely material (really quick shipping). Muffler looks great seems like it will be just enough to make the truck not to loud under a load. Now to purchase the rest of the parts to use it.
The muffler was easy to install an fit great. It was just the right amount of sound I was looking for!