Flowmaster 40 Series Dual In/Dual Out Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)

High-Performance Exhaust Sound. The Flowmaster 40 Series Oval Muffler is designed to deliver an aggressive exhaust tone that’s perfect for street, strip, or off-road use. With dual inlets and outlets sized at 2.50 inches, it offers improved exhaust flow and a deep performance sound. Built as a universal fit, this muffler is suitable for a wide range of custom and replacement applications.

Construction and Appearance. Crafted from fully welded 16-gauge aluminized steel tubing, this muffler is engineered for durability and resistance to high-heat environments. Its matte black finish provides a sleek, stealthy appearance while protecting against corrosion. Unlike traditional mufflers, it has no internal packing to blowout, ensuring consistent sound quality and long-lasting performance.

Installation. Designed as a direct replacement, this universal muffler can be adapted to a variety of exhaust systems. Installation may require cutting or welding depending on the setup, making professional installation the preferred choice for ensuring proper fitment and alignment. Enthusiasts with experience and the right tools may also complete the installation at home.

Application. This Flowmaster 40 Series Oval Muffler is universal fit. By upgrading with this muffler, you achieve a powerful and aggressive exhaust tone, improved flow, and a durable design ideal for high-performance driving on the street, track, or off-road trails.

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