Quiet Tone Muffler; 5in. In/Out; 8in. Dia. Body; 31in. Overall; T409 - M2220S 4-Door Port Quantity: 6

Port Quantity: 6

1x Main Fuel Line C (3/8 inch Diameter)

9 V8 1977 - 1981 Pontiac Grand LeMans 301/4

7 Substrate Material Ceramic Air Tube Adaptable No Converter Quantity 1 Material Stainless Steel Oxygen Sensor Location None Series OEM Grade Finish Stainless Steel Subtitle Federal / EPA Compliant Title OEM Grade Direct-Fit Main Piping Diameter (In

Quiet Tone Muffler; 5in. In/Out; 8in. Dia. Body; 31in. Overall; T409 - M2220S 4-Door Port Quantity: 6Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP.