Description: Sierra, silverado. 5.3l. 4.3L, regular cab, 6.6 ft box. Sierra, silverado. 6.2l. Sierra, silverado. 4.3l. Regular cab. 8 ft. box. Code-abkj. 5.3 & 6.2L, regular cab, 6.6 ft box. Has the necessary components to service your vehicle's exhaust muffler Helps diminish the amount of noise emitted by your vehicle's exhaust system Helps guide exhaust to the exterior of your vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: 1/2 ton, rear floor, crew cab. 4.3L, rear, crew cab. 6.0L. rear floor crew cab. 3/4 & 1 ton, rear floor, crew cab. For Exhaust Muffler. 5.3 & 6.2L. rear crew cab. 6.6L DIESEL. rear floor crew cab. Can help prevent exhaust heat from damaging your vehicle's undercarriage and engine compartment components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors