Shop OEM General Motors Part # 84020524 (20757704, 23219692, 23289266, 23377844, 23487120, 84053746). Exhaust Muffler. 4.3 LITER, regular cab, 6.6 ft box. 5.3 & 6.2 LITER, regular cab, 6.6 ft box. Sierra, Silverado; 4.3L; Regular Cab; 6.6 Ft

Exhaust Muffler. Muffler and pipe.
A Muffler without any pipes, which are typically universal in fitment. Code-ABKJ.

Exhaust Muffler

Fits Sierra 1500, Silverado

4.3 LITER, regular cab, 6.6 ft box. 5.3 & 6.2 LITER, regular cab, 6.6 ft box. Sierra, Silverado; 4.3L; Regular Cab; 6.6 Ft. Box. Sierra, Silverado; 4.3L; Regular Cab; 8 Ft. Box. Sierra, Silverado; 5.3L; Regular Cab; 6.6 Ft. Box. Sierra, Silverado; 6.2L; Regular Cab; 6.6 Ft. Box.