🔧 Vibrant 1147 StreetPower Flat Oval Muffler 20 Inch – Key Features
- Flat Oval 20” Design – Maximizes sound control while maintaining flow
- Black Coated Finish – Sleek, low-profile look under any build
- Straight-Through Internal Design – Maintains exhaust flow and performance
- StreetPower Sound Profile – Deep tone with reduced volume and minimal drone
- Durable Construction – Built to handle heat and long-term use
Vibrant Streetpower Black Flat Oval Muffler is designed to minimize the noise produced by the vehicle’s operating system. It is constructed from T304 stainless steel and features a “True Straight Through” perforated core to avoid performance loss. This muffler is compact, easy to install and is Five year limited warranty.
🔊 Sound Profile – What to Expect
Let’s be clear—this isn’t a race muffler.
The 1147 is tuned for:
- Quieter overall volume
- Deeper, more refined tone
- Minimal drone on the highway
- No raspy, cheap exhaust noise
Perfect if your current setup is loud enough to be annoying… or embarrassing.
Designed to minimize noise
Constructed from t304 stainless steel
🚗 Compatibility
Universal Fit
- Custom exhaust systems
- Daily drivers and street builds
- Turbo setups needing sound control
(If your exhaust is too loud, this is your solution.)
Features “true straight through” perforated internals
💡 Why Choose a StreetPower Muffler?
Standard performance mufflers:
- Loud
- Aggressive
- Sometimes unbearable
StreetPower series:
- Balanced sound
- Comfortable for daily driving
- Still flows well for performance setups
It’s the difference between “fun” and “fatiguing.”
Compact and easy to install
Five year limited warranty
⚙️ Installation Notes
- Requires welding or custom fabrication
- Best paired with mandrel-bent piping
- Ideal for reducing volume in existing setups
🏁 Bottom Line – Vibrant 1147 StreetPower Flat Oval Muffler 20 Inch
If you want to tone things down without choking your performance, the Vibrant 1147 StreetPower muffler delivers.
Quieter. Deeper. Way more livable.
Because not every build needs to scream.
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