Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet (Universal; Some Adaptation May Be Required)

Performance Muffler. The Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet is designed to optimize exhaust flow and reduce noise for vehicles requiring mild sound levels. Ideal for trucks, SUVs, motorhomes, and high-performance street cars, it delivers improved horsepower, torque, and engine efficiency while maintaining minimal resonance inside the vehicle.

Construction and Appearance. This muffler features durable 16 gauge aluminized steel construction with a high-temperature paint finish that enhances corrosion resistance and longevity. Fully MIG welded for superior strength, it has an enlarged body and uses Flowmaster’s Delta Flow® technology for effective sound control with a sleek black appearance.

Installation. Installation requires basic modifications as this universal fit muffler uses slip-fit and clamp-on or weld-on inlet and outlet connections. It requires new hangers that are not included, and some adaptation may be necessary to fit various vehicle exhaust configurations.

Application. Fits a wide range of vehicles universally with some adaptation needed for custom installations. It is suited for classic muscle cars, street/strip vehicles, trucks, and SUVs seeking a mild exterior exhaust tone without compromising performance.

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