The AP Exhaust 6576 is a direct-fit MSL/MAXIMUM muffler designed to provide optimal sound control and back-pressure performance, closely matching original equipment specifications. Constructed from 100% aluminized steel, this muffler offers enhanced durability and resistance to corrosion, ensuring a longer service life. Its baffled design effectively reduces noise levels, contributing to a quieter ride. The muffler's dimensions include a body height of 4.06 inches, body width of 10.5 inches, and an overall length of 28 inches, with an inlet diameter of 3 inches and outlet diameter of 2.25 inches. This configuration allows for easy installation and compatibility with various vehicle models. The AP Exhaust 6576 is engineered to perform like original equipment, providing maximum sound control and back-pressure performance. Its thick, expandable aluminized necks facilitate easy sizing and installation, while the welded brackets reduce installation time and ensure a secure fit. This muffler is suitable for a range of vehicles, including certain models of Chevrolet, GMC, Buick, Oldsmobile, and Pontiac, as specified by the manufacturer. By choosing the AP Exhaust 6576, fleet operators can ensure their vehicles maintain optimal exhaust performance, contributing to overall operational efficiency and vehicle longevity.