The Walker Exhaust 21302 is a high-quality exhaust muffler designed to provide superior performance and durability for commercial vehicles. Constructed entirely from corrosion-resistant stainless steel, this muffler offers a longer service life compared to traditional aluminized mufflers. Its internal drainage system effectively reduces moisture accumulation, preventing rust and extending the muffler's lifespan. The muffler features a direct-fit design with OE-style hangers, brackets, and pipe routings, ensuring easy installation without the need for specialized fabrication or welding. Internally, the muffler is equipped with louvered tubes and domed heads that work together to lower noise levels and reduce radiated noise, delivering a premium factory-style sound. The internal partitions and mechanically joined tubes allow for expansion and contraction during temperature changes, minimizing distortion and enhancing structural integrity. This design also includes spun-locked heads and OE-style spot welds, contributing to the muffler's stability and longevity. Acoustic and flow testing have validated the muffler's design, ensuring it meets OE-style sound quality standards. The Walker Exhaust 21302 muffler is compatible with various vehicle models, including the 1996-2004 Chevrolet S10, 1996-2004 GMC Sonoma, and 1997-1999 Isuzu Hombre. By choosing this muffler, fleet operators can expect reduced maintenance costs and improved vehicle performance, leading to enhanced operational efficiency.