Description
Lasting Durability. Crafted from high-quality 304 stainless steel, the Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler offers exceptional resistance to rust, corrosion, and wear. This durable construction ensures that the muffler will stand up to harsh conditions, whether you’re driving through rain, snow, or mud. The stainless steel material provides a long-lasting, polished finish that maintains its appearance over time, even under intense exhaust temperatures.
Optimized Flow for Improved Performance. The Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler features Flowmaster’s unique laminar flow technology, which promotes efficient exhaust flow while minimizing restriction. This design allows for increased horsepower and torque, particularly in high-performance applications. By improving exhaust flow and reducing backpressure, the muffler helps enhance throttle response and overall engine efficiency, giving your vehicle a noticeable performance boost.
Distinctive Sound Profile. The Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler delivers a rich, deep, and aggressive exhaust tone that stands out on the road. Its design helps reduce cabin drone while maintaining a more pleasant, high-performance sound, making it perfect for performance vehicles, muscle cars, or trucks that demand a distinctive exhaust note. If you’re looking to upgrade the sound of your vehicle without sacrificing refinement, this muffler provides the ideal solution.
Installation. Putting this Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet; 304 Stainless on your vehicle takes 2 hours to install.
Warranty. There is a limited lifetime warranty on this product.
Application. The Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet; 304 Stainless offers universal fitment.
Flowmaster 12518304
CA Residents: WARNING: Cancer and Reproductive Harm
- Super HP-2 18-Inch Center/Center Oval Muffler
- Stainless Steel Construction
- Inlet/Outlet Size: 2.50 Inches
- Overall Length: 24.00 Inches
- Body Length: 18.00 Inches
- Body Height: 4.00 Inches
- Body Width: 5.50 Inches
- Case Shape: Oval
- Internal Construction: Perforated Tube
- Sound Level: Moderate
- Finish: Natural
- Dyno Tuned for Maximum Performance
- Two-Hour Installation
- Lifetime Limited Warranty
- Universal Fitment
| Brand | Flowmaster |
| Muffler Inlet Size | 2.50 Inch |
| Muffler Installation Type | Clamp-On Muffler |
| Muffler Type | Chambered Muffler |






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