Flowmaster 50 Series Delta Flow 2.5-Inch Offset Inlet/Outlet Muffler - 942553

Specifications

• Brand: Flowmaster
• Part Number: 942553
• Series: 50 Series Delta Flow
• Product Type: Muffler
• Inlet: 2.5 in Offset Inlet
• Outlet: 2.5 in Offset Outlet
• Body Dimensions: 17 in L x 9.75 in W x 4 in H
• Body Shape: Oval
• Overall Length: 23 in
• Material: Steel
• Finish: Black Paint
• Sound Level: Moderate
• Fitment: Universal
• UPC: 700042015825

About the Flowmaster 50 Series Delta Flow

Flowmaster’s 50 Series Delta Flow is designed for street vehicles that need a deeper performance exhaust note without the higher volume and cabin resonance of the company’s more aggressive 40 Series mufflers. Flowmaster rates the 50 Series Delta Flow with a moderate exterior sound level and mild interior resonance, making it a strong choice for street rods, classic cars, trucks, and daily-driven performance vehicles. The Delta Flow design is intended to improve exhaust efficiency while controlling sound, and Flowmaster lists improved horsepower, torque, and engine efficiency among the benefits of the series. Its larger oval case provides additional sound-control volume, helping produce a fuller, smoother tone that remains comfortable during normal cruising. The range includes center, offset, dual-inlet, and dual-outlet configurations, so builders can select a layout that fits the vehicle and exhaust routing rather than redesigning the entire system around the muffler. Depending on the specific part number, construction may be aluminized steel or stainless steel. The 50 Series Delta Flow is a good middle-ground option for drivers who want an audible Flowmaster character when accelerating but do not want the constant aggressive presence of a Super 44, Original 40, or race muffler. For a performance street build, it offers a balanced combination of sound, flow, packaging flexibility, and everyday drivability.