The AP Exhaust Technologies 700429 is a 34" x 10.5" x 4.06" oval direct-fit exhaust muffler designed to meet the specific needs of various vehicle models, including the Buick Rainier, Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, and Oldsmobile Bravada. Constructed from 100% aluminized steel, this muffler offers enhanced durability and resistance to corrosion, ensuring a longer service life. Engineered to perform like original equipment, it provides optimal sound control and back-pressure performance, contributing to the vehicle's overall efficiency and longevity. The muffler's design includes thick, expandable aluminized necks, facilitating easy sizing and installation. This feature streamlines the replacement process, reducing downtime and labor costs for fleet operations. The AP Exhaust Technologies 700429 muffler is a reliable and cost-effective solution for maintaining vehicle performance and operational efficiency.