Flowmaster 10 Series Delta Force ASA Spec Muffler - 3.5" Center Inlet, 3.5" Center Outlet - Aggressive Sound - 6.25" x 9.75" x 4.00" 122007 4L V8 engines

4L V8 engines

GM 1973-88 Midsize

Retains Measurement Until Pressure Release

7 x 3 in Top

Computer mods a must

Flowmaster 10 Series Delta Force ASA Spec Muffler - 3.5" Center Inlet, 3.5" Center Outlet - Aggressive Sound - 6.25" x 9.75" x 4.00" 122007 4L V8 enginesFlowmaster Delta Force 10 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