The Walker Exhaust 47771 2.25" Inlet x 2" Outlet Oval Exhaust Muffler Assembly is engineered to provide a durable and efficient solution for your vehicle's exhaust system. Constructed with 100% stainless steel, this muffler offers superior corrosion resistance, extending its service life compared to traditional aluminized mufflers. The internal drainage system effectively reduces moisture accumulation, mitigating the risk of rust and enhancing overall durability. Designed for easy installation, the muffler features OE-style hangers, brackets, and pipe routings, ensuring a direct-fit bolt-on replacement that doesn't require specialized fabrication or welding. This user-friendly design minimizes downtime and labor costs, making it a practical choice for fleet maintenance. The muffler's internal partitions and mechanically joined tubes allow for expansion and contraction during temperature fluctuations, minimizing distortion and maintaining structural integrity. Spun-locked heads and OE-style spot welds further contribute to its stability and longevity. For optimal acoustic performance, the muffler incorporates 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. Acoustic and flow testing validate the design, ensuring consistent and reliable performance. The Walker Exhaust 47771 muffler is compatible with various vehicle models, including the 2000-2002 Nissan Xterra with a 3.3L V6 Gas SOHC engine. By choosing this muffler, fleet operators can expect enhanced durability, reduced maintenance costs, and improved vehicle performance, contributing to the overall efficiency and reliability of their operations.