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

High-Performance Exhaust Upgrade. The Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet is engineered to provide a refined balance between power and sound control. Designed using Delta Flow Technology, it enhances exhaust scavenging for improved horsepower, torque, and overall engine efficiency. Ideal for trucks, motorhomes, and tow vehicles, this muffler delivers a mild-to-stock exterior exhaust note with minimal interior resonance, making it perfect for long-distance driving and heavy-duty use.

Construction and Appearance. The Flowmaster 70 Series Big Block II Muffler is constructed from heavy-duty 16-gauge aluminized steel for exceptional strength and corrosion resistance. Its fully MIG-welded seams ensure long-lasting durability even under demanding exhaust temperatures. The large oval case design contributes to effective noise reduction while maintaining optimal exhaust flow, and the aluminized silver finish provides a clean, professional look under any vehicle.

Installation. Installation is considered straightforward with basic mechanical tools, though some adaptation may be required depending on vehicle configuration. The universal fitment design accommodates custom exhaust setups, and professional installation is recommended for best results and fitment accuracy.

Application. This Flowmaster 70 Series Big Block II Center/Dual Oval Muffler; 3-Inch Inlet/2.25-Inch Outlet fits a wide range of vehicles with universal exhaust systems, including trucks, motorhomes, and tow vehicles.

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