Flowmaster 40 Delta Flow Muffler - 3" Offset Inlet, 3" Offset Outlet - Aggressive Sound - 13.00" x 9.75" x 4.00" 57900BK and ultra fine silt particulates

and ultra fine silt particulates for the ultimate in filtration

Fits Most Popular Auto Transmissions

Allstar Seat Mount

Available with 1-3/4" or 1-7/8" mandrel bent primary tubes and 3" collectors with merge spears for increased exhaust velocity

Flowmaster 40 Delta Flow Muffler - 3" Offset Inlet, 3" Offset Outlet - Aggressive Sound - 13.00" x 9.75" x 4.00" 57900BK and ultra fine silt particulatesFlowmaster Delta Force 40 Series Race Muffler improves performance. Racing is where Flowmaster began. These mufflers provide maximum scavenging for added torque and horsepower in race applications. This revolutionary technology has allowed Flowmaster to shrink case sizes for improved ground clearance, while at the same time reducing exterior sound level and interior resonances, major causes of driver fatigue. Born and bred on the race track, Delta