The Walker Exhaust 22058 Quiet-Flow SS Exhaust Muffler is engineered to provide superior performance and durability for commercial vehicle applications. Constructed with 100% stainless steel, this muffler offers enhanced corrosion resistance compared to traditional aluminized models, ensuring a longer service life and reduced maintenance costs. The internal drainage system effectively minimizes moisture accumulation, further extending the muffler's lifespan. Designed for easy installation, the 22058 features a direct-fit bolt-on replacement solution with OE-style hangers, brackets, and pipe routings. This design eliminates the need for specialized fabrication or welding, allowing for efficient and straightforward installation, thereby reducing downtime and labor expenses. The muffler's internal partitions and mechanically joined tubes accommodate expansion and contraction during temperature fluctuations, minimizing distortion and enhancing structural integrity. Spun-locked heads and OE-style spot welds provide additional stability, contributing to the muffler's overall durability and longevity. For optimal acoustic performance, the 22058 utilizes OE-style louvered tubes to effectively lower noise levels, while OE-style domed heads help reduce radiated noise. This combination delivers a premium, factory-style sound quality, ensuring compliance with noise regulations and enhancing the driving experience. Acoustic and flow testing validate the muffler's design, confirming its ability to deliver quality OE-style sound and efficient exhaust flow. Backed by Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound® Guarantee, the 22058 Quiet-Flow SS Exhaust Muffler offers a reliable and cost-effective solution for fleet operators seeking to maintain vehicle performance and compliance with emission standards.