Aggressive Performance Muffler. The Flowmaster 40 Series Delta Flow Center/Center Oval Muffler with 3-Inch Inlet and 3-Inch Outlet is designed to deliver enhanced sound and performance for street and strip applications. Engineered to provide increased scavenging and reduced interior resonance, it is ideal for enthusiasts seeking an aggressive exterior tone without excessive interior sound. This muffler improves exhaust flow while maintaining a noticeable yet controlled exhaust note.

Construction and Appearance. Crafted from 16-gauge aluminized steel for durability, this muffler features Flowmaster’s Delta Flow technology with fully MIG-welded chambers. The construction ensures long-lasting performance and excellent resistance to corrosion. Finished in high-temperature black paint, it adds a sleek, aggressive look that withstands the heat and elements typically encountered in exhaust systems.

Installation. Installation is straightforward with slip-fit and clamp-on or weld-on inlet types, requiring no special tools beyond basic exhaust system components. Some adaptation may be needed depending on the vehicle application, and new hangers are required but not included.

Application. Fits a universal range of vehicles including 4 and 6-cylinder engines, classic and late model muscle cars, street rods, street/strip, and trucks/SUVs; some adaptation may be required to ensure proper fitment.

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