The Walker Exhaust 21542 is a high-quality exhaust muffler designed to enhance the performance and longevity of your vehicle's exhaust system. Constructed entirely from corrosion-resistant stainless steel, this muffler offers superior durability compared to traditional aluminized options. Its internal drainage system effectively reduces moisture accumulation, mitigating the risk of rust and extending the muffler's service life. The muffler's design includes internal partitions and mechanically joined tubes that accommodate expansion and contraction due to temperature fluctuations, minimizing distortion and ensuring structural integrity. Spun-locked heads and OE-style spot welds further contribute to its stability and longevity. For optimal acoustic performance, the 21542 features OE-style louvered tubes that effectively lower noise levels, while OE-style domed heads help reduce radiated noise, delivering a premium factory-style sound quality. The muffler's dimensions are 31 inches in overall length, 9 inches in width, and 7 inches in height, with a 3-inch inlet and outlet diameter. Its oval shape and pipe connection design facilitate a direct-fit installation, eliminating the need for specialized fabrication or welding. This design ensures a precise fit and easy installation, making it a convenient replacement for your vehicle's existing muffler. The Walker Exhaust 21542 is compatible with various Ford E-350 Econoline models from 1995 to 1998, including the E-350 Econoline Club Wagon and the E-350 Super Duty. By choosing this muffler, fleet operators can expect enhanced durability, improved acoustic performance, and a straightforward installation process, all contributing to the efficient operation of their vehicles.