The Walker 17731 Exhaust Muffler Assembly is engineered to enhance the performance and durability of your vehicle's exhaust system. Constructed with aluminized steel, this muffler offers superior resistance to corrosion, ensuring a longer service life compared to standard low-carbon steel alternatives. The internal drainage system effectively reduces moisture accumulation, further mitigating corrosion risks. Designed with internal partitions and mechanically joined tubes, the muffler accommodates expansion and contraction during temperature fluctuations, minimizing distortion and maintaining structural integrity. Spun-locked heads and OE-style spot welds provide additional stability, contributing to the muffler's longevity. The louvered tube design effectively reduces radiated noise, delivering a factory-style sound quality that enhances the driving experience. This muffler is designed to extend its service life, providing more miles of reliable performance. The Walker 17731 Exhaust Muffler Assembly is a universal fitment, suitable for various vehicle applications, including 1987-1990 Jeep Wrangler L4 2.5L, 1991-1995 Jeep Wrangler with all engine types, and 1997-2000 Jeep Wrangler with all engine types prior to January 24, 2000. Its dimensions include a body height of 4.25 inches, body length of 14 inches, body width of 9.75 inches, and an overall length of 18.5 inches. The inlet and outlet both have an inside diameter of 2.25 inches, with the inlet located offset and the outlet at the center. This muffler is reversible, offering flexibility in installation. By choosing the Walker 17731 Exhaust Muffler Assembly, fleet operators can ensure enhanced exhaust system performance, reduced maintenance costs, and improved vehicle longevity, all contributing to more efficient fleet operations.