The Walker 22674 Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler is engineered to provide a durable and efficient solution for managing exhaust noise in heavy-duty vehicles. Constructed entirely from 100% stainless steel, this muffler offers superior corrosion resistance, extending its service life significantly compared to traditional aluminized mufflers. The internal drainage system effectively reduces moisture accumulation, mitigating the risk of rust and enhancing the muffler's longevity. Designed for a precise fit, the muffler features OE-style hangers, brackets, and pipe routings, facilitating a straightforward installation process without the need for specialized fabrication or welding. Its three-tube design, combined with OE-style louvered tubes and domed heads, ensures a premium, factory-like sound quality while effectively reducing radiated noise. The internal tubes are mechanically joined to the partition, allowing for expansion and contraction during temperature fluctuations, thereby minimizing distortion and maintaining structural integrity. This meticulous design approach not only ensures consistent performance but also contributes to the muffler's extended service life. The Walker 22674 muffler is backed by a limited lifetime warranty and a 90-Day Safe and Sound® Guarantee, underscoring its reliability and the manufacturer's commitment to quality.