Jones Exhaust SD614-3D Super Duty Muffler 2 Inlet, 2 Outlet egr-valves-and-parts 6L V8 1978 - 1980

6L V8 1978 - 1980 Chevrolet G20 Nomad 350/5

1L/V6 1996 - 1997 Chevrolet Monte Carlo 3

add hp and torque

4L V8 1981 Chevrolet C20 Custom 350/5

Jones Exhaust SD614-3D Super Duty Muffler 2 Inlet, 2 Outlet egr-valves-and-parts 6L V8 1978 - 1980Overview: Jones Exhaust Super Duty Mufflers are designed for high flow exhaust applications. These mufflers feature straight through louvered cores to maximize exhaust flow. The aluminized steel construction provides excellent corrosion resistance and superior service life. Features Maximizes exhaust flow Straight through louvered cores Aluminized steel construction Application: Year Make Model Trim and Drive Type Engine Size Universal Specifications: