The AP Exhaust 700473 Exhaust Muffler is a high-quality, direct-fit replacement designed to meet the stringent demands of professional installers. Constructed from 100% aluminized steel, this muffler offers exceptional durability and resistance to corrosion, ensuring a prolonged service life. Its oval body dimensions—5.5" in height, 11" in width, and 19" in length—are engineered to match original equipment specifications, facilitating a seamless installation process. The overall length of 23" and inlet/outlet diameters of 2.25" provide compatibility with a range of vehicle exhaust systems. This muffler is part of the MSL Maximum series, which is specifically engineered to perform like original equipment for maximum sound control and back-pressure performance. The baffled design effectively reduces noise levels, delivering an exhaust tone that is comparable to the original equipment. Thick, expandable necks allow for easy sizing, accommodating various exhaust configurations. This product is compatible with select Buick, Chevrolet, GMC, and Saturn models from 2007 to 2017, including the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook. By choosing the AP Exhaust 700473 Exhaust Muffler, fleet operators can ensure optimal engine performance and maintain compliance with noise regulations, thereby enhancing the overall efficiency and reliability of their vehicle fleet.